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Port dilated_max_pool2d() to ATen
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/20691 Differential Revision: D15435960 Pulled By: ezyang fbshipit-source-id: 548b7cc42e52ad2c641ec7d9cf78028d9411d02e
This commit is contained in:
Stefan Krah
committed by
Facebook Github Bot
Facebook Github Bot
parent
f039401bf2
commit
ec57d1f18a
112
aten/src/ATen/native/DilatedMaxPool.h
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112
aten/src/ATen/native/DilatedMaxPool.h
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@ -0,0 +1,112 @@
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#include <ATen/ATen.h>
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#include <ATen/Parallel.h>
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#include <ATen/NativeFunctions.h>
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#include <tuple>
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#pragma once
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namespace at {
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namespace native {
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namespace {
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template <typename dest_t, typename src_t>
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static inline dest_t
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safe_downcast(src_t v)
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{
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TORCH_CHECK(std::numeric_limits<dest_t>::min() <= v && v <= std::numeric_limits<dest_t>::max(),
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"integer out of range");
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return static_cast<dest_t>(v);
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}
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template<typename T>
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static inline T pooling_output_shape(
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T inputSize, T kernelSize, T pad, T stride, T dilation, bool ceil_mode) {
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T outputSize = ((inputSize + 2 * pad - dilation * (kernelSize - 1) - 1 + (ceil_mode ? stride - 1 : 0)) / stride + 1);
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if (pad) {
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// ensure that the last pooling starts inside the image
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// needed to avoid problems in ceil mode
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if ((outputSize - 1) * stride >= inputSize + pad)
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--outputSize;
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}
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return outputSize;
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}
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static inline void
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max_pool2d_with_indices_shape_check(
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const Tensor& input,
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int kH, int kW, int dH, int dW, int padH, int padW, int dilationH, int dilationW,
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int64_t nInputPlane,
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int64_t inputHeight, int64_t inputWidth,
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int64_t outputHeight, int64_t outputWidth)
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{
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const int64_t ndim = input.ndimension();
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const int64_t nOutputPlane = nInputPlane;
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TORCH_CHECK(kW > 0 && kH > 0,
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"kernel size should be greater than zero, but got ",
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"kH: ", kH, " kW: ", kW);
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TORCH_CHECK(dW > 0 && dH > 0,
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"stride should be greater than zero, but got "
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"dH: ", dH, " dW: ", dW);
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TORCH_CHECK(dilationH > 0 && dilationW > 0,
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"dilation should be greater than zero, but got ",
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"dilationH: ", dilationH, " dilationW: ", dilationW);
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TORCH_CHECK(input.numel() > 0 && (ndim == 3 || ndim == 4),
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"non-empty 3D or 4D input tensor expected but got ndim: ", ndim);
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TORCH_CHECK(kW/2 >= padW && kH/2 >= padH,
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"pad should be smaller than half of kernel size, but got ",
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"padW = ", padW, ", padH = ", padH, ", kW = ", kW, ", kH = ", kH);
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if (outputWidth < 1 || outputHeight < 1) {
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AT_ERROR("Given input size: (",
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nInputPlane, "x", inputHeight, "x", inputWidth, "). ",
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"Calculated output size: (",
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nOutputPlane, "x", outputHeight, "x", outputWidth, "). ",
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"Output size is too small");
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}
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}
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static inline void
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max_pool2d_with_indices_shape_check(
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const Tensor& input,
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const Tensor& gradOutput,
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const Tensor& indices,
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int64_t nbatch,
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int kH, int kW, int dH, int dW, int padH, int padW, int dilationH, int dilationW,
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int64_t nInputPlane,
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int64_t inputHeight, int64_t inputWidth,
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int64_t outputHeight, int64_t outputWidth,
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bool cuda=false)
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{
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max_pool2d_with_indices_shape_check(
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input,
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kH, kW, dH, dW, padH, padW, dilationH, dilationW,
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nInputPlane, inputHeight, inputWidth, outputHeight, outputWidth);
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const int64_t ndim = input.ndimension();
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const int64_t nOutputPlane = nInputPlane;
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check_dim_size(gradOutput, ndim, ndim-3, nOutputPlane);
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check_dim_size(gradOutput, ndim, ndim-2, outputHeight);
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check_dim_size(gradOutput, ndim, ndim-1, outputWidth);
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if (cuda) {
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check_dim_size(indices, 4, 0, nbatch);
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check_dim_size(indices, 4, 1, nOutputPlane);
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check_dim_size(indices, 4, 2, outputHeight);
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check_dim_size(indices, 4, 3, outputWidth);
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}
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else {
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check_dim_size(indices, ndim, ndim-3, nOutputPlane);
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check_dim_size(indices, ndim, ndim-2, outputHeight);
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check_dim_size(indices, ndim, ndim-1, outputWidth);
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}
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}
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} // namespace
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} // at::native
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} // at
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499
aten/src/ATen/native/DilatedMaxPool2d.cpp
Normal file
499
aten/src/ATen/native/DilatedMaxPool2d.cpp
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@ -0,0 +1,499 @@
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#include <ATen/ATen.h>
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#include <ATen/Parallel.h>
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#include <ATen/NativeFunctions.h>
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#include <ATen/native/DilatedMaxPool.h>
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#include <tuple>
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namespace at {
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namespace native {
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namespace {
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template <typename scalar_t>
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static void max_pool2d_with_indices_single_out_frame(
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scalar_t *input_p,
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scalar_t *output_p,
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int64_t *ind_p,
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int64_t nslices,
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int64_t iwidth,
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int64_t iheight,
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int64_t owidth,
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int64_t oheight,
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int kW,
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int kH,
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int dW,
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int dH,
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int padW,
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int padH,
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int dilationW,
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int dilationH
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)
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{
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at::parallel_for(0, nslices, 0, [&](int64_t start, int64_t end) {
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for (auto k = start; k < end; k++)
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{
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/* loop over output */
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int64_t i, j;
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scalar_t *ip = input_p + k*iwidth*iheight;
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for(i = 0; i < oheight; i++)
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{
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for(j = 0; j < owidth; j++)
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{
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int64_t hstart = i * dH - padH;
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int64_t wstart = j * dW - padW;
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int64_t hend = std::min(hstart + (kH - 1) * dilationH + 1, iheight);
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int64_t wend = std::min(wstart + (kW - 1) * dilationW + 1, iwidth);
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while(hstart < 0)
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hstart += dilationH;
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while(wstart < 0)
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wstart += dilationW;
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/* local pointers */
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scalar_t *op = output_p + k*owidth*oheight + i*owidth + j;
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int64_t *indp = ind_p + k*owidth*oheight + i*owidth + j;
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/* compute local max: */
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int64_t maxindex = -1;
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scalar_t maxval = -std::numeric_limits<scalar_t>::max();
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int64_t tcntr = 0;
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int64_t x,y;
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for(y = hstart; y < hend; y += dilationH)
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{
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for(x = wstart; x < wend; x += dilationW)
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{
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tcntr = y*iwidth + x;
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scalar_t val = *(ip + tcntr);
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if ((val > maxval) || std::isnan(val))
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{
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maxval = val;
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maxindex = tcntr;
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}
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}
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}
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/* set output to local max */
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*op = maxval;
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/* store location of max */
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*indp = maxindex;
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}
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}
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}
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});
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}
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template <typename scalar_t>
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static void max_pool2d_with_indices_out_frame(
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scalar_t *input_data,
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scalar_t *output_data,
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int64_t *indices_data,
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int64_t nbatch,
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int64_t nInputPlane,
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int64_t inputWidth,
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int64_t inputHeight,
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int64_t outputWidth,
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int64_t outputHeight,
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int kW,
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int kH,
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int dW,
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int dH,
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int padW,
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int padH,
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int dilationW,
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int dilationH)
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{
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at::parallel_for(0, nbatch, 0, [&](int64_t start, int64_t end) {
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for (auto p = start; p < end; p++) {
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max_pool2d_with_indices_single_out_frame(
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input_data+p*nInputPlane*inputWidth*inputHeight,
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output_data+p*nInputPlane*outputWidth*outputHeight,
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indices_data+p*nInputPlane*outputWidth*outputHeight,
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nInputPlane,
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inputWidth, inputHeight,
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outputWidth, outputHeight,
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kW, kH, dW, dH,
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padW, padH,
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dilationW, dilationH);
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}
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});
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}
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void max_pool2d_with_indices_out_cpu_template(
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Tensor& output,
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Tensor& indices,
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const Tensor& input_,
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IntArrayRef kernel_size,
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IntArrayRef stride,
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IntArrayRef padding,
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IntArrayRef dilation,
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bool ceil_mode)
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{
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// XXX JIT: Pooling.cpp allows stride.empty().
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// XXX IntegrationTest.MNIST: padding.size() == 1 && dilation.size() == 1.
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TORCH_CHECK(kernel_size.size() == 2 &&
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(stride.empty() || stride.size() == 2) &&
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(padding.size() == 1 || padding.size() == 2) &&
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(dilation.size() == 1 || dilation.size() == 2),
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"max_pool2d_with_indices: internal error: all IntArrayRef sizes must be 2");
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TORCH_CHECK((input_.ndimension() == 3 || input_.ndimension() == 4),
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"non-empty 3D or 4D (batch mode) tensor expected for input");
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const int kH = safe_downcast<int, int64_t>(kernel_size[0]);
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const int kW = safe_downcast<int, int64_t>(kernel_size[1]);
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const int dH = stride.empty() ? kH : safe_downcast<int, int64_t>(stride[0]);
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const int dW = stride.empty() ? kW : safe_downcast<int, int64_t>(stride[1]);
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const int padH = safe_downcast<int, int64_t>(padding[0]);
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const int padW = padding.size() == 1 ? padH : safe_downcast<int, int64_t>(padding[1]);
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const int dilationH = safe_downcast<int, int64_t>(dilation[0]);
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const int dilationW = dilation.size() == 1 ? dilationH : safe_downcast<int, int64_t>(dilation[1]);
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/* sizes */
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const int64_t nbatch = input_.ndimension() == 4 ? input_.size(-4) : 1;
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const int64_t nInputPlane = input_.size(-3);
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const int64_t inputHeight = input_.size(-2);
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const int64_t inputWidth = input_.size(-1);
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const int64_t outputHeight = pooling_output_shape<int64_t>(inputHeight, kH, padH, dH, dilationH, ceil_mode);
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const int64_t outputWidth = pooling_output_shape<int64_t>(inputWidth, kW, padW, dW, dilationW, ceil_mode);
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max_pool2d_with_indices_shape_check(
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input_,
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kH, kW, dH, dW, padH, padW, dilationH, dilationW,
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nInputPlane,
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inputHeight, inputWidth,
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outputHeight, outputWidth);
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/* get contiguous input */
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Tensor input = input_.contiguous();
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/* resize output */
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if (input.ndimension() == 3)
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{
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output.resize_({nInputPlane, outputHeight, outputWidth});
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/* indices will contain the locations for each output point */
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indices.resize_({nInputPlane, outputHeight, outputWidth});
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AT_DISPATCH_FLOATING_TYPES(input.scalar_type(),
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"max_pool2d_with_indices_cpu",
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[&] {
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/* get raw pointers */
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scalar_t *input_data = input.data<scalar_t>();
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scalar_t *output_data = output.data<scalar_t>();
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int64_t *indices_data = indices.data<int64_t>();
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max_pool2d_with_indices_single_out_frame(
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input_data, output_data,
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indices_data,
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nInputPlane,
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inputWidth, inputHeight,
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outputWidth, outputHeight,
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kW, kH, dW, dH,
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padW, padH,
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dilationW, dilationH);
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}
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);
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}
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else
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{
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output.resize_({nbatch, nInputPlane, outputHeight, outputWidth});
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/* indices will contain the locations for each output point */
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indices.resize_({nbatch, nInputPlane, outputHeight, outputWidth});
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AT_DISPATCH_FLOATING_TYPES(input.scalar_type(),
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"max_pool2d_with_indices_cpu",
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[&] {
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scalar_t *input_data = input.data<scalar_t>();
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scalar_t *output_data = output.data<scalar_t>();
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int64_t *indices_data = indices.data<int64_t>();
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max_pool2d_with_indices_out_frame(
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input_data,
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output_data,
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indices_data,
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nbatch,
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nInputPlane,
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inputWidth, inputHeight,
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outputWidth, outputHeight,
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kW, kH, dW, dH,
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padW, padH,
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dilationW, dilationH); }
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);
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}
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}
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template <typename scalar_t>
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static void max_pool2d_with_indices_backward_single_out_frame(
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scalar_t *gradInput_p,
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scalar_t *gradOutput_p,
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int64_t *ind_p,
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int64_t nInputPlane,
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int64_t inputWidth,
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int64_t inputHeight,
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int64_t outputWidth,
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int64_t outputHeight,
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int dW,
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int dH)
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{
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at::parallel_for(0, nInputPlane, 0, [&](int64_t start, int64_t end) {
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for (auto k = start; k < end; k++)
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{
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scalar_t *gradInput_p_k = gradInput_p + k*inputWidth*inputHeight;
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scalar_t *gradOutput_p_k = gradOutput_p + k*outputWidth*outputHeight;
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int64_t *ind_p_k = ind_p + k*outputWidth*outputHeight;
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/* calculate max points */
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int64_t i, j;
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for(i = 0; i < outputHeight; i++)
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{
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for(j = 0; j < outputWidth; j++)
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{
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/* retrieve position of max */
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int64_t maxp = ind_p_k[i*outputWidth + j];
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if (maxp != -1) {
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/* update gradient */
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gradInput_p_k[maxp] += gradOutput_p_k[i*outputWidth + j];
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}
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}
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}
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}
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});
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}
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template <typename scalar_t>
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static void max_pool2d_with_indices_backward_out_frame(
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scalar_t *gradInput_data,
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scalar_t *gradOutput_data,
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int64_t *indices_data,
|
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int64_t nbatch,
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int64_t nInputPlane,
|
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int64_t inputWidth,
|
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int64_t inputHeight,
|
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int64_t outputWidth,
|
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int64_t outputHeight,
|
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int dW,
|
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int dH)
|
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{
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at::parallel_for(0, nbatch, 0, [&](int64_t start, int64_t end) {
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for (auto p = start; p < end; p++) {
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max_pool2d_with_indices_backward_single_out_frame<scalar_t>(
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gradInput_data+p*nInputPlane*inputWidth*inputHeight,
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gradOutput_data+p*nInputPlane*outputWidth*outputHeight,
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indices_data+p*nInputPlane*outputWidth*outputHeight,
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nInputPlane,
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inputWidth, inputHeight,
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outputWidth, outputHeight,
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dW, dH);
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}
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});
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}
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Tensor& max_pool2d_with_indices_backward_out_cpu_template(
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Tensor& gradInput,
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const Tensor& gradOutput_,
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const Tensor& input,
|
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const Tensor& indices,
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IntArrayRef kernel_size,
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IntArrayRef stride,
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IntArrayRef padding,
|
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IntArrayRef dilation,
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bool ceil_mode)
|
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{
|
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// XXX JIT: Pooling.cpp allows stride.empty().
|
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// XXX IntegrationTest.MNIST: padding.size() == 1 && dilation.size() == 1.
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TORCH_CHECK(kernel_size.size() == 2 &&
|
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(stride.empty() || stride.size() == 2) &&
|
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(padding.size() == 1 || padding.size() == 2) &&
|
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(dilation.size() == 1 || dilation.size() == 2),
|
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"max_pool2d_with_indices: internal error: all IntArrayRef sizes must be 2");
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TORCH_CHECK((input.ndimension() == 3 || input.ndimension() == 4),
|
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"non-empty 3D or 4D (batch mode) tensor expected for input");
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const int kH = safe_downcast<int, int64_t>(kernel_size[0]);
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const int kW = safe_downcast<int, int64_t>(kernel_size[1]);
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const int dH = stride.empty() ? kH : safe_downcast<int, int64_t>(stride[0]);
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const int dW = stride.empty() ? kW : safe_downcast<int, int64_t>(stride[1]);
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const int padH = safe_downcast<int, int64_t>(padding[0]);
|
||||
const int padW = padding.size() == 1 ? padH : safe_downcast<int, int64_t>(padding[1]);
|
||||
|
||||
const int dilationH = safe_downcast<int, int64_t>(dilation[0]);
|
||||
const int dilationW = dilation.size() == 1 ? dilationH : safe_downcast<int, int64_t>(dilation[1]);
|
||||
|
||||
/* get contiguous gradOutput */
|
||||
const Tensor gradOutput = gradOutput_.contiguous();
|
||||
|
||||
/* resize */
|
||||
gradInput.resize_as_(input);
|
||||
gradInput.zero_();
|
||||
|
||||
/* sizes */
|
||||
const int64_t nbatch = input.ndimension() == 4 ? input.size(-4) : 1;
|
||||
const int64_t nInputPlane = input.size(-3);
|
||||
const int64_t inputHeight = input.size(-2);
|
||||
const int64_t inputWidth = input.size(-1);
|
||||
const int64_t outputHeight = gradOutput.size(-2);
|
||||
const int64_t outputWidth = gradOutput.size(-1);
|
||||
|
||||
/* XXX preserve the existing shape check behavior */
|
||||
const int64_t outputHeight_for_shape_check = pooling_output_shape<int64_t>(inputHeight, kH, padH, dH, dilationH, ceil_mode);
|
||||
const int64_t outputWidth_for_shape_check = pooling_output_shape<int64_t>(inputWidth, kW, padW, dW, dilationW, ceil_mode);
|
||||
|
||||
max_pool2d_with_indices_shape_check(
|
||||
input,
|
||||
gradOutput_,
|
||||
indices,
|
||||
nbatch,
|
||||
kH, kW, dH, dW, padH, padW, dilationH, dilationW,
|
||||
nInputPlane,
|
||||
inputHeight, inputWidth,
|
||||
outputHeight_for_shape_check, outputWidth_for_shape_check);
|
||||
|
||||
/* backprop */
|
||||
if (input.ndimension() == 3)
|
||||
{
|
||||
AT_DISPATCH_FLOATING_TYPES(input.scalar_type(),
|
||||
"max_pool2d_with_indices_backward",
|
||||
[&] {
|
||||
/* get raw pointers */
|
||||
scalar_t *gradInput_data = gradInput.data<scalar_t>();
|
||||
scalar_t *gradOutput_data = gradOutput.data<scalar_t>();
|
||||
int64_t *indices_data = indices.data<int64_t>();
|
||||
|
||||
max_pool2d_with_indices_backward_single_out_frame(
|
||||
gradInput_data, gradOutput_data,
|
||||
indices_data,
|
||||
nInputPlane,
|
||||
inputWidth, inputHeight,
|
||||
outputWidth, outputHeight,
|
||||
dW, dH);
|
||||
}
|
||||
);
|
||||
}
|
||||
else
|
||||
{
|
||||
AT_DISPATCH_FLOATING_TYPES(input.scalar_type(),
|
||||
"max_pool2d_with_indices_backward",
|
||||
[&] {
|
||||
/* get raw pointers */
|
||||
scalar_t *gradInput_data = gradInput.data<scalar_t>();
|
||||
scalar_t *gradOutput_data = gradOutput.data<scalar_t>();
|
||||
int64_t *indices_data = indices.data<int64_t>();
|
||||
|
||||
max_pool2d_with_indices_backward_out_frame<scalar_t>(
|
||||
gradInput_data, gradOutput_data,
|
||||
indices_data,
|
||||
nbatch,
|
||||
nInputPlane,
|
||||
inputWidth, inputHeight,
|
||||
outputWidth, outputHeight,
|
||||
dW, dH);
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
return gradInput;
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
std::tuple<Tensor& ,Tensor&> max_pool2d_with_indices_out_cpu(
|
||||
Tensor& output,
|
||||
Tensor& indices,
|
||||
const Tensor& input,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode)
|
||||
{
|
||||
max_pool2d_with_indices_out_cpu_template(
|
||||
output,
|
||||
indices,
|
||||
input,
|
||||
kernel_size,
|
||||
stride,
|
||||
padding,
|
||||
dilation,
|
||||
ceil_mode);
|
||||
return std::tuple<Tensor&, Tensor&>(output, indices);
|
||||
}
|
||||
|
||||
std::tuple<Tensor ,Tensor> max_pool2d_with_indices_cpu(
|
||||
const Tensor& input,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode)
|
||||
{
|
||||
Tensor output = at::empty({0}, input.options());
|
||||
Tensor indices = at::empty({0}, input.options().dtype(kLong));
|
||||
max_pool2d_with_indices_out_cpu_template(
|
||||
output,
|
||||
indices,
|
||||
input,
|
||||
kernel_size,
|
||||
stride,
|
||||
padding,
|
||||
dilation,
|
||||
ceil_mode);
|
||||
return std::tuple<Tensor&, Tensor&>(output, indices);
|
||||
}
|
||||
|
||||
Tensor& max_pool2d_with_indices_backward_out_cpu(
|
||||
Tensor& gradInput,
|
||||
const Tensor& gradOutput_,
|
||||
const Tensor& input,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode,
|
||||
const Tensor& indices)
|
||||
{
|
||||
max_pool2d_with_indices_backward_out_cpu_template(
|
||||
gradInput,
|
||||
gradOutput_,
|
||||
input,
|
||||
indices,
|
||||
kernel_size,
|
||||
stride,
|
||||
padding,
|
||||
dilation,
|
||||
ceil_mode);
|
||||
return gradInput;
|
||||
}
|
||||
|
||||
Tensor max_pool2d_with_indices_backward_cpu(
|
||||
const Tensor& gradOutput_,
|
||||
const Tensor& input,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode,
|
||||
const Tensor& indices)
|
||||
{
|
||||
auto gradInput = at::zeros_like(input);
|
||||
max_pool2d_with_indices_backward_out_cpu_template(
|
||||
gradInput,
|
||||
gradOutput_,
|
||||
input,
|
||||
indices,
|
||||
kernel_size,
|
||||
stride,
|
||||
padding,
|
||||
dilation,
|
||||
ceil_mode);
|
||||
return gradInput;
|
||||
}
|
||||
|
||||
} // at::native
|
||||
} // at
|
||||
@ -364,22 +364,6 @@ Tensor avg_pool3d_backward(const Tensor & grad_output, const Tensor & self, IntA
|
||||
return at::legacy::th::_thnn_avg_pool3d_backward(grad_output, self, kernel_size, stride, padding, ceil_mode, count_include_pad);
|
||||
}
|
||||
|
||||
std::tuple<Tensor &,Tensor &> max_pool2d_with_indices_out(Tensor & output, Tensor & indices, const Tensor & self, IntArrayRef kernel_size, IntArrayRef stride, IntArrayRef padding, IntArrayRef dilation, bool ceil_mode) {
|
||||
return at::legacy::th::_thnn_max_pool2d_with_indices_forward_out(output, indices, self, kernel_size, stride, padding, dilation, ceil_mode);
|
||||
}
|
||||
|
||||
std::tuple<Tensor,Tensor> max_pool2d_with_indices(const Tensor & self, IntArrayRef kernel_size, IntArrayRef stride, IntArrayRef padding, IntArrayRef dilation, bool ceil_mode) {
|
||||
return at::legacy::th::_thnn_max_pool2d_with_indices_forward(self, kernel_size, stride, padding, dilation, ceil_mode);
|
||||
}
|
||||
|
||||
Tensor & max_pool2d_with_indices_backward_out(Tensor & grad_input, const Tensor & grad_output, const Tensor & self, IntArrayRef kernel_size, IntArrayRef stride, IntArrayRef padding, IntArrayRef dilation, bool ceil_mode, const Tensor & indices) {
|
||||
return at::legacy::th::_thnn_max_pool2d_with_indices_backward_out(grad_input, grad_output, self, kernel_size, stride, padding, dilation, ceil_mode, indices);
|
||||
}
|
||||
|
||||
Tensor max_pool2d_with_indices_backward(const Tensor & grad_output, const Tensor & self, IntArrayRef kernel_size, IntArrayRef stride, IntArrayRef padding, IntArrayRef dilation, bool ceil_mode, const Tensor & indices) {
|
||||
return at::legacy::th::_thnn_max_pool2d_with_indices_backward(grad_output, self, kernel_size, stride, padding, dilation, ceil_mode, indices);
|
||||
}
|
||||
|
||||
std::tuple<Tensor &,Tensor &> max_pool3d_with_indices_out(Tensor & output, Tensor & indices, const Tensor & self, IntArrayRef kernel_size, IntArrayRef stride, IntArrayRef padding, IntArrayRef dilation, bool ceil_mode) {
|
||||
return at::legacy::th::_thnn_max_pool3d_with_indices_forward_out(output, indices, self, kernel_size, stride, padding, dilation, ceil_mode);
|
||||
}
|
||||
|
||||
420
aten/src/ATen/native/cuda/DilatedMaxPool2d.cu
Normal file
420
aten/src/ATen/native/cuda/DilatedMaxPool2d.cu
Normal file
@ -0,0 +1,420 @@
|
||||
#include <ATen/ATen.h>
|
||||
#include <ATen/AccumulateType.h>
|
||||
#include <ATen/native/DilatedMaxPool.h>
|
||||
#include <ATen/cuda/CUDAContext.h>
|
||||
#include <ATen/cuda/CUDAApplyUtils.cuh>
|
||||
#include <ATen/cuda/detail/TensorInfo.cuh>
|
||||
#include <ATen/cuda/detail/IndexUtils.cuh>
|
||||
#include <ATen/cuda/detail/KernelUtils.h>
|
||||
#include <THC/THCNumerics.cuh>
|
||||
#include <c10/macros/Macros.h>
|
||||
|
||||
|
||||
namespace at {
|
||||
namespace native {
|
||||
namespace {
|
||||
|
||||
__device__ inline int min(int a, int b) {
|
||||
return a <= b ? a : b;
|
||||
}
|
||||
|
||||
// kernels borrowed from Caffe
|
||||
template <typename scalar_t, typename accscalar_t>
|
||||
__global__ void MaxPoolForward(const int nthreads, const scalar_t* bottom_data,
|
||||
const int num, const int channels, const int height,
|
||||
const int width, const int pooled_height, const int pooled_width,
|
||||
const int kernel_h, const int kernel_w, const int stride_h,
|
||||
const int stride_w, const int pad_h, const int pad_w,
|
||||
const int dilation_h, const int dilation_w, scalar_t* top_data,
|
||||
int64_t* top_mask) {
|
||||
CUDA_KERNEL_LOOP(index, nthreads) {
|
||||
int pw = index % pooled_width;
|
||||
int ph = (index / pooled_width) % pooled_height;
|
||||
int c = (index / pooled_width / pooled_height) % channels;
|
||||
int n = index / pooled_width / pooled_height / channels;
|
||||
int hstart = ph * stride_h - pad_h;
|
||||
int wstart = pw * stride_w - pad_w;
|
||||
int hend = min(hstart + (kernel_h - 1) * dilation_h + 1, height);
|
||||
int wend = min(wstart + (kernel_w - 1) * dilation_w + 1, width);
|
||||
while(hstart < 0)
|
||||
hstart += dilation_h;
|
||||
while(wstart < 0)
|
||||
wstart += dilation_w;
|
||||
accscalar_t maxval = THCNumerics<accscalar_t>::min();
|
||||
int maxidx = -1;
|
||||
bottom_data += (n * channels + c) * height * width;
|
||||
for (int h = hstart; h < hend; h += dilation_h) {
|
||||
for (int w = wstart; w < wend; w += dilation_w) {
|
||||
scalar_t val = bottom_data[h * width + w];
|
||||
if ((ScalarConvert<scalar_t, accscalar_t>::to(val) > maxval) || THCNumerics<scalar_t>::isnan(val)) {
|
||||
maxidx = h * width + w;
|
||||
maxval = ScalarConvert<scalar_t, accscalar_t>::to(val);
|
||||
}
|
||||
}
|
||||
}
|
||||
top_data[index] = ScalarConvert<scalar_t, accscalar_t>::to(maxval);
|
||||
top_mask[index] = maxidx;
|
||||
}
|
||||
}
|
||||
|
||||
static const int BACKWARD_THREADS = 256;
|
||||
|
||||
template <typename scalar_t, typename accscalar_t>
|
||||
#if defined (__HIP_PLATFORM_HCC__)
|
||||
C10_LAUNCH_BOUNDS_2(BACKWARD_THREADS, 4)
|
||||
#else
|
||||
C10_LAUNCH_BOUNDS_2(BACKWARD_THREADS, 8)
|
||||
#endif
|
||||
__global__ void MaxPoolBackward(const int nthreads, const scalar_t* top_diff,
|
||||
const int64_t* top_mask, const int num, const int channels,
|
||||
const int height, const int width, const int pooled_height,
|
||||
const int pooled_width, const int kernel_h, const int kernel_w,
|
||||
const int stride_h, const int stride_w, const int pad_h, const int pad_w,
|
||||
const int dilation_h, const int dilation_w,
|
||||
scalar_t* bottom_diff) {
|
||||
CUDA_KERNEL_LOOP(index, height*width) {
|
||||
int h = index/width;
|
||||
int w = index - h * width;
|
||||
//get some templating performance benefits without actually templating
|
||||
int phstart, phend, pwstart, pwend;
|
||||
if (stride_h == 1) {
|
||||
phstart =
|
||||
(h + pad_h < ((kernel_h - 1) * dilation_h + 1)) ? 0 : (h + pad_h - ((kernel_h - 1) * dilation_h + 1)) + 1;
|
||||
phend = min((h + pad_h) + 1, pooled_height);
|
||||
} else if (stride_h == 2) {
|
||||
phstart =
|
||||
(h + pad_h < ((kernel_h - 1) * dilation_h + 1)) ? 0 : (h + pad_h - ((kernel_h - 1) * dilation_h + 1)) / 2 + 1;
|
||||
phend = min((h + pad_h) / 2 + 1, pooled_height);
|
||||
} else {
|
||||
phstart =
|
||||
(h + pad_h < ((kernel_h - 1) * dilation_h + 1)) ? 0 : (h + pad_h - ((kernel_h - 1) * dilation_h + 1)) / stride_h + 1;
|
||||
phend = min((h + pad_h) / stride_h + 1, pooled_height);
|
||||
}
|
||||
if (stride_w == 1) {
|
||||
pwstart =
|
||||
(w + pad_w < ((kernel_w - 1) * dilation_w + 1)) ? 0 : (w + pad_w - ((kernel_w - 1) * dilation_w + 1)) + 1;
|
||||
pwend = min((w + pad_w) + 1, pooled_width);
|
||||
} else if (stride_w == 2) {
|
||||
pwstart =
|
||||
(w + pad_w < ((kernel_w - 1) * dilation_w + 1)) ? 0 : (w + pad_w - ((kernel_w - 1) * dilation_w + 1)) / 2 + 1;
|
||||
pwend = min((w + pad_w) / 2 + 1, pooled_width);
|
||||
} else {
|
||||
pwstart =
|
||||
(w + pad_w < ((kernel_w - 1) * dilation_w + 1)) ? 0 : (w + pad_w - ((kernel_w - 1) * dilation_w + 1)) / stride_w + 1;
|
||||
pwend = min((w + pad_w) / stride_w + 1, pooled_width);
|
||||
}
|
||||
for (int n = blockIdx.y; n < num; n += gridDim.y)
|
||||
for (int c = blockIdx.z; c < channels; c+= gridDim.z) {
|
||||
|
||||
accscalar_t gradient = accscalar_t(0);
|
||||
int offset = (n * channels + c) * pooled_height * pooled_width;
|
||||
top_diff += offset;
|
||||
top_mask += offset;
|
||||
//get some templating performance benefits without actually templating
|
||||
if ((phstart + 1 != phend) || (pwstart + 1 != pwend)) {
|
||||
for (int ph = phstart; ph < phend; ++ph) {
|
||||
for (int pw = pwstart; pw < pwend; ++pw) {
|
||||
if (top_mask[ph * pooled_width + pw] == h * width + w) {
|
||||
gradient += ScalarConvert<scalar_t, accscalar_t>::to(top_diff[ph * pooled_width + pw]);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (top_mask[phstart * pooled_width + pwstart] == h * width + w) {
|
||||
gradient += ScalarConvert<scalar_t, accscalar_t>::to(top_diff[phstart * pooled_width + pwstart]);
|
||||
}
|
||||
}
|
||||
bottom_diff[(n*channels+c)*height*width+index] = ScalarConvert<accscalar_t, scalar_t>::to(gradient);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void max_pool2d_with_indices_out_cuda_template(
|
||||
Tensor& output,
|
||||
Tensor& indices,
|
||||
const Tensor& input_,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode)
|
||||
{
|
||||
TensorArg output_arg{ output, "output", 1 };
|
||||
TensorArg indices_arg{ indices, "indices", 2 };
|
||||
TensorArg input_arg{ input_, "input_", 3 };
|
||||
|
||||
checkAllSameGPU("max_pool2d_with_indices_out_cuda",
|
||||
{output_arg, indices_arg, input_arg});
|
||||
|
||||
// XXX JIT: Pooling.cpp allows stride.empty().
|
||||
// XXX IntegrationTest.MNIST: padding.size() == 1 && dilation.size() == 1.
|
||||
TORCH_CHECK(kernel_size.size() == 2 &&
|
||||
(stride.empty() || stride.size() == 2) &&
|
||||
(padding.size() == 1 || padding.size() == 2) &&
|
||||
(dilation.size() == 1 || dilation.size() == 2),
|
||||
"max_pool2d_with_indices: internal error: all IntArrayRef sizes must be 2");
|
||||
|
||||
TORCH_CHECK((input_.ndimension() == 3 || input_.ndimension() == 4),
|
||||
"non-empty 3D or 4D (batch mode) tensor expected for input");
|
||||
|
||||
const int kH = safe_downcast<int, int64_t>(kernel_size[0]);
|
||||
const int kW = safe_downcast<int, int64_t>(kernel_size[1]);
|
||||
|
||||
const int dH = stride.empty() ? kH : safe_downcast<int, int64_t>(stride[0]);
|
||||
const int dW = stride.empty() ? kW : safe_downcast<int, int64_t>(stride[1]);
|
||||
|
||||
const int padH = safe_downcast<int, int64_t>(padding[0]);
|
||||
const int padW = padding.size() == 1 ? padH : safe_downcast<int, int64_t>(padding[1]);
|
||||
|
||||
const int dilationH = safe_downcast<int, int64_t>(dilation[0]);
|
||||
const int dilationW = dilation.size() == 1 ? dilationH : safe_downcast<int, int64_t>(dilation[1]);
|
||||
|
||||
const int64_t nbatch = input_.ndimension() == 4 ? input_.size(-4) : 1;
|
||||
const int64_t nInputPlane = input_.size(-3);
|
||||
const int64_t inputHeight = input_.size(-2);
|
||||
const int64_t inputWidth = input_.size(-1);
|
||||
|
||||
const int64_t outputWidth = pooling_output_shape<int64_t>(inputWidth, kW, padW, dW, dilationW, ceil_mode);
|
||||
const int64_t outputHeight = pooling_output_shape<int64_t>(inputHeight, kH, padH, dH, dilationH, ceil_mode);
|
||||
|
||||
max_pool2d_with_indices_shape_check(
|
||||
input_,
|
||||
kH, kW, dH, dW, padH, padW, dilationH, dilationW,
|
||||
nInputPlane,
|
||||
inputHeight, inputWidth,
|
||||
outputHeight, outputWidth);
|
||||
|
||||
Tensor input = input_.contiguous();
|
||||
|
||||
output.resize_({nbatch, nInputPlane, outputHeight, outputWidth});
|
||||
indices.resize_({nbatch, nInputPlane, outputHeight, outputWidth});
|
||||
|
||||
const int count = safe_downcast<int, int64_t>(output.numel());
|
||||
const int num_threads = std::min(at::cuda::getCurrentDeviceProperties()->maxThreadsPerBlock,
|
||||
BACKWARD_THREADS);
|
||||
|
||||
AT_DISPATCH_FLOATING_TYPES_AND_HALF(input.scalar_type(),
|
||||
"max_pool2d_with_indices_out_cuda_frame",
|
||||
[&] {
|
||||
using accscalar_t = acc_type<scalar_t, true>;
|
||||
|
||||
scalar_t *output_data = output.data<scalar_t>();
|
||||
scalar_t *input_data = input.data<scalar_t>();
|
||||
int64_t *indices_data = indices.data<int64_t>();
|
||||
|
||||
MaxPoolForward<scalar_t, scalar_t>
|
||||
<<<cuda::ATenCeilDiv(count, num_threads), num_threads, 0, at::cuda::getCurrentCUDAStream()>>>(
|
||||
count, input_data,
|
||||
nbatch, nInputPlane, inputHeight, inputWidth, outputHeight, outputWidth,
|
||||
kH, kW, dH, dW, padH, padW, dilationH, dilationW, output_data, indices_data); }
|
||||
);
|
||||
|
||||
TORCH_CHECK(cudaGetLastError() == cudaSuccess,
|
||||
"max_pool2d_with_indices_out_cuda_frame failed with error code ",
|
||||
cudaGetLastError());
|
||||
|
||||
if(input.ndimension() == 3) {
|
||||
output.resize_({nInputPlane, outputHeight, outputWidth});
|
||||
}
|
||||
}
|
||||
|
||||
void max_pool2d_with_indices_backward_out_cuda_template(
|
||||
Tensor& gradInput,
|
||||
const Tensor& gradOutput_,
|
||||
const Tensor& input_,
|
||||
const Tensor& indices,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode)
|
||||
{
|
||||
TensorArg gradInput_arg{ gradInput, "gradInput", 1 };
|
||||
TensorArg gradOutput_arg{ gradOutput_, "gradOutput_", 2 };
|
||||
TensorArg input_arg{ input_, "input_", 3 };
|
||||
TensorArg indices_arg{ indices, "indices", 4 };
|
||||
|
||||
checkAllSameGPU("max_pool2d_with_indices_out_cuda",
|
||||
{gradInput_arg, gradOutput_arg, input_arg, indices_arg});
|
||||
|
||||
// XXX JIT: Pooling.cpp allows stride.empty().
|
||||
// XXX IntegrationTest.MNIST: padding.size() == 1 && dilation.size() == 1.
|
||||
TORCH_CHECK(kernel_size.size() == 2 &&
|
||||
(stride.empty() || stride.size() == 2) &&
|
||||
(padding.size() == 1 || padding.size() == 2) &&
|
||||
(dilation.size() == 1 || dilation.size() == 2),
|
||||
"max_pool2d_with_indices: internal error: all IntArrayRef sizes must be 2");
|
||||
|
||||
TORCH_CHECK((input_.ndimension() == 3 || input_.ndimension() == 4),
|
||||
"non-empty 3D or 4D (batch mode) tensor expected for input");
|
||||
|
||||
const int kH = safe_downcast<int, int64_t>(kernel_size[0]);
|
||||
const int kW = safe_downcast<int, int64_t>(kernel_size[1]);
|
||||
|
||||
const int dH = stride.empty() ? kH : safe_downcast<int, int64_t>(stride[0]);
|
||||
const int dW = stride.empty() ? kW : safe_downcast<int, int64_t>(stride[1]);
|
||||
|
||||
const int padH = safe_downcast<int, int64_t>(padding[0]);
|
||||
const int padW = padding.size() == 1 ? padH : safe_downcast<int, int64_t>(padding[1]);
|
||||
|
||||
const int dilationH = safe_downcast<int, int64_t>(dilation[0]);
|
||||
const int dilationW = dilation.size() == 1 ? dilationH : safe_downcast<int, int64_t>(dilation[1]);
|
||||
|
||||
const Tensor input = input_.contiguous();
|
||||
|
||||
const int64_t nbatch = input.ndimension() == 4 ? input.size(-4) : 1;
|
||||
const int64_t nInputPlane = input.size(-3);
|
||||
const int64_t inputHeight = input.size(-2);
|
||||
const int64_t inputWidth = input.size(-1);
|
||||
|
||||
const int64_t outputHeight = pooling_output_shape<int64_t>(inputHeight, kH, padH, dH, dilationH, ceil_mode);
|
||||
const int64_t outputWidth = pooling_output_shape<int64_t>(inputWidth, kW, padW, dW, dilationW, ceil_mode);
|
||||
|
||||
max_pool2d_with_indices_shape_check(
|
||||
input_,
|
||||
gradOutput_,
|
||||
indices,
|
||||
nbatch,
|
||||
kH, kW, dH, dW, padH, padW, dilationH, dilationW,
|
||||
nInputPlane,
|
||||
inputHeight, inputWidth,
|
||||
outputHeight, outputWidth,
|
||||
/*cuda=*/ true);
|
||||
|
||||
const Tensor gradOutput = gradOutput_.contiguous();
|
||||
gradInput.resize_as_(input);
|
||||
|
||||
int64_t count = input.numel();
|
||||
dim3 grid;
|
||||
int imgcount = inputWidth * inputHeight;
|
||||
const int blocks = (imgcount + BACKWARD_THREADS - 1) / BACKWARD_THREADS;
|
||||
grid.x = blocks;
|
||||
grid.y = nbatch;
|
||||
grid.z = nInputPlane;
|
||||
uint64_t maxGridY = at::cuda::getCurrentDeviceProperties()->maxGridSize[1];
|
||||
uint64_t maxGridZ = at::cuda::getCurrentDeviceProperties()->maxGridSize[2];
|
||||
if (maxGridY < grid.y) grid.y = maxGridY;
|
||||
if (maxGridZ < grid.z) grid.z = maxGridZ;
|
||||
|
||||
AT_DISPATCH_FLOATING_TYPES_AND_HALF(input.scalar_type(),
|
||||
"max_pool2d_with_indices_out_cuda_frame",
|
||||
[&] {
|
||||
using accscalar_t = acc_type<scalar_t, true>;
|
||||
|
||||
scalar_t *gradOutput_data = gradOutput.data<scalar_t>();
|
||||
scalar_t *gradInput_data = gradInput.data<scalar_t>();
|
||||
int64_t *indices_data = indices.data<int64_t>();
|
||||
|
||||
MaxPoolBackward<scalar_t, accscalar_t>
|
||||
<<<grid, BACKWARD_THREADS, 0, at::cuda::getCurrentCUDAStream()>>>(
|
||||
count,
|
||||
gradOutput_data,
|
||||
indices_data,
|
||||
nbatch,
|
||||
nInputPlane, inputHeight, inputWidth, outputHeight, outputWidth,
|
||||
kH, kW, dH, dW, padH, padW, dilationH, dilationW,
|
||||
gradInput_data);
|
||||
}
|
||||
);
|
||||
|
||||
TORCH_CHECK(cudaGetLastError() == cudaSuccess,
|
||||
"fractional_max_pool2d_backward_out_cuda failed with error code ",
|
||||
cudaGetLastError());
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
std::tuple<Tensor& ,Tensor&> max_pool2d_with_indices_out_cuda(
|
||||
Tensor& output,
|
||||
Tensor& indices,
|
||||
const Tensor& input,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode)
|
||||
{
|
||||
max_pool2d_with_indices_out_cuda_template(
|
||||
output,
|
||||
indices,
|
||||
input,
|
||||
kernel_size,
|
||||
stride,
|
||||
padding,
|
||||
dilation,
|
||||
ceil_mode);
|
||||
return std::tuple<Tensor&, Tensor&>(output, indices);
|
||||
}
|
||||
|
||||
std::tuple<Tensor ,Tensor> max_pool2d_with_indices_cuda(
|
||||
const Tensor& input,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode)
|
||||
{
|
||||
Tensor output = at::empty({0}, input.options());
|
||||
Tensor indices = at::empty({0}, input.options().dtype(kLong));
|
||||
max_pool2d_with_indices_out_cuda_template(
|
||||
output,
|
||||
indices,
|
||||
input,
|
||||
kernel_size,
|
||||
stride,
|
||||
padding,
|
||||
dilation,
|
||||
ceil_mode);
|
||||
return std::tuple<Tensor&, Tensor&>(output, indices);
|
||||
}
|
||||
|
||||
Tensor& max_pool2d_with_indices_backward_out_cuda(
|
||||
Tensor& gradInput,
|
||||
const Tensor& gradOutput_,
|
||||
const Tensor& input,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode,
|
||||
const Tensor& indices)
|
||||
{
|
||||
max_pool2d_with_indices_backward_out_cuda_template(
|
||||
gradInput,
|
||||
gradOutput_,
|
||||
input,
|
||||
indices,
|
||||
kernel_size,
|
||||
stride,
|
||||
padding,
|
||||
dilation,
|
||||
ceil_mode);
|
||||
return gradInput;
|
||||
}
|
||||
|
||||
Tensor max_pool2d_with_indices_backward_cuda(
|
||||
const Tensor& gradOutput_,
|
||||
const Tensor& input,
|
||||
IntArrayRef kernel_size,
|
||||
IntArrayRef stride,
|
||||
IntArrayRef padding,
|
||||
IntArrayRef dilation,
|
||||
bool ceil_mode,
|
||||
const Tensor& indices)
|
||||
{
|
||||
auto gradInput = at::zeros_like(input);
|
||||
max_pool2d_with_indices_backward_out_cuda_template(
|
||||
gradInput,
|
||||
gradOutput_,
|
||||
input,
|
||||
indices,
|
||||
kernel_size,
|
||||
stride,
|
||||
padding,
|
||||
dilation,
|
||||
ceil_mode);
|
||||
return gradInput;
|
||||
}
|
||||
|
||||
} // at::native
|
||||
} // at
|
||||
@ -3792,18 +3792,30 @@
|
||||
CUDA: fractional_max_pool3d_backward_cuda
|
||||
|
||||
# Return: (Tensor output, Tensor indices)
|
||||
- func: max_pool2d_with_indices(Tensor self, int[2] kernel_size, int[2] stride=[], int[2] padding=0, int[2] dilation=1, bool ceil_mode=False, *, Tensor(a!) output, Tensor(b!) indices) -> (Tensor(a!), Tensor(b!))
|
||||
- func: max_pool2d_with_indices(Tensor self, int[2] kernel_size, int[2] stride=[], int[2] padding=0, int[2] dilation=1, bool ceil_mode=False, *, Tensor(a!) out, Tensor(b!) indices) -> (Tensor(a!), Tensor(b!))
|
||||
python_module: nn
|
||||
dispatch:
|
||||
CPU: max_pool2d_with_indices_out_cpu
|
||||
CUDA: max_pool2d_with_indices_out_cuda
|
||||
|
||||
# Return: (Tensor output, Tensor indices)
|
||||
- func: max_pool2d_with_indices(Tensor self, int[2] kernel_size, int[2] stride=[], int[2] padding=0, int[2] dilation=1, bool ceil_mode=False) -> (Tensor, Tensor)
|
||||
python_module: nn
|
||||
dispatch:
|
||||
CPU: max_pool2d_with_indices_cpu
|
||||
CUDA: max_pool2d_with_indices_cuda
|
||||
|
||||
- func: max_pool2d_with_indices_backward(Tensor grad_output, Tensor self, int[2] kernel_size, int[2] stride, int[2] padding, int[2] dilation, bool ceil_mode, Tensor indices, *, Tensor(a!) grad_input) -> Tensor(a!)
|
||||
python_module: nn
|
||||
dispatch:
|
||||
CPU: max_pool2d_with_indices_backward_out_cpu
|
||||
CUDA: max_pool2d_with_indices_backward_out_cuda
|
||||
|
||||
- func: max_pool2d_with_indices_backward(Tensor grad_output, Tensor self, int[2] kernel_size, int[2] stride, int[2] padding, int[2] dilation, bool ceil_mode, Tensor indices) -> Tensor
|
||||
python_module: nn
|
||||
dispatch:
|
||||
CPU: max_pool2d_with_indices_backward_cpu
|
||||
CUDA: max_pool2d_with_indices_backward_cuda
|
||||
|
||||
# Return: (Tensor output, Tensor indices)
|
||||
- func: max_pool3d_with_indices(Tensor self, int[3] kernel_size, int[3] stride=[], int[3] padding=0, int[3] dilation=1, bool ceil_mode=False, *, Tensor(a!) output, Tensor(b!) indices) -> (Tensor(a!), Tensor(b!))
|
||||
|
||||
@ -134,14 +134,6 @@
|
||||
output: 'false'
|
||||
grad_input: 'false'
|
||||
|
||||
- name: _thnn_max_pool2d_with_indices(Tensor self, IntArrayRef[2] kernel_size, IntArrayRef[2] stride={}, IntArrayRef[2] padding=0, IntArrayRef[2] dilation=1, bool ceil_mode=false)
|
||||
cname: SpatialDilatedMaxPooling
|
||||
default_init:
|
||||
stride: kernel_size
|
||||
scalar_check:
|
||||
output: 'false'
|
||||
grad_input: 'false'
|
||||
|
||||
- name: _thnn_max_pool3d_with_indices(Tensor self, IntArrayRef[3] kernel_size, IntArrayRef[3] stride={}, IntArrayRef[3] padding=0, IntArrayRef[3] dilation=1, bool ceil_mode=false)
|
||||
cname: VolumetricDilatedMaxPooling
|
||||
default_init:
|
||||
|
||||
@ -33,10 +33,8 @@ ${CMAKE_CURRENT_SOURCE_DIR}/SpatialConvolutionMM.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/SpatialCrossMapLRN.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/SpatialDepthwiseConvolution.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/SpatialDilatedConvolution.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/SpatialDilatedMaxPooling.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/SpatialFullConvolution.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/SpatialFullDilatedConvolution.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/SpatialMaxPooling.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/SpatialMaxUnpooling.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/SpatialSubSampling.cu
|
||||
${CMAKE_CURRENT_SOURCE_DIR}/Sqrt.cu
|
||||
|
||||
@ -1,121 +0,0 @@
|
||||
#include <THCUNN/THCUNN.h>
|
||||
#include <THC/THCTensor.hpp>
|
||||
#include <TH/THHalf.h>
|
||||
#include <THCUNN/THCHalfAutoNumerics.cuh>
|
||||
#include <THC/THCNumerics.cuh>
|
||||
#include <THCUNN/common.h>
|
||||
#include <c10/macros/Macros.h>
|
||||
|
||||
// kernels borrowed from Caffe
|
||||
template <typename Dtype, typename AccType>
|
||||
__global__ void MaxPoolForward(const int nthreads, const Dtype* bottom_data,
|
||||
const int num, const int channels, const int height,
|
||||
const int width, const int pooled_height, const int pooled_width,
|
||||
const int kernel_h, const int kernel_w, const int stride_h,
|
||||
const int stride_w, const int pad_h, const int pad_w,
|
||||
const int dilation_h, const int dilation_w, Dtype* top_data,
|
||||
int64_t* top_mask) {
|
||||
CUDA_KERNEL_LOOP(index, nthreads) {
|
||||
int pw = index % pooled_width;
|
||||
int ph = (index / pooled_width) % pooled_height;
|
||||
int c = (index / pooled_width / pooled_height) % channels;
|
||||
int n = index / pooled_width / pooled_height / channels;
|
||||
int hstart = ph * stride_h - pad_h;
|
||||
int wstart = pw * stride_w - pad_w;
|
||||
int hend = min(hstart + (kernel_h - 1) * dilation_h + 1, height);
|
||||
int wend = min(wstart + (kernel_w - 1) * dilation_w + 1, width);
|
||||
while(hstart < 0)
|
||||
hstart += dilation_h;
|
||||
while(wstart < 0)
|
||||
wstart += dilation_w;
|
||||
AccType maxval = THCNumerics<AccType>::min();
|
||||
int maxidx = -1;
|
||||
bottom_data += (n * channels + c) * height * width;
|
||||
for (int h = hstart; h < hend; h += dilation_h) {
|
||||
for (int w = wstart; w < wend; w += dilation_w) {
|
||||
Dtype val = bottom_data[h * width + w];
|
||||
if ((ScalarConvert<Dtype, AccType>::to(val) > maxval) || THCNumerics<Dtype>::isnan(val)) {
|
||||
maxidx = h * width + w;
|
||||
maxval = ScalarConvert<Dtype, AccType>::to(val);
|
||||
}
|
||||
}
|
||||
}
|
||||
top_data[index] = ScalarConvert<AccType, Dtype>::to(maxval);
|
||||
top_mask[index] = maxidx;
|
||||
}
|
||||
}
|
||||
|
||||
const int BACKWARD_THREADS = 256;
|
||||
|
||||
template <typename Dtype, typename AccType>
|
||||
#if defined (__HIP_PLATFORM_HCC__)
|
||||
C10_LAUNCH_BOUNDS_2(BACKWARD_THREADS, 4)
|
||||
#else
|
||||
C10_LAUNCH_BOUNDS_2(BACKWARD_THREADS, 8)
|
||||
#endif
|
||||
__global__ void MaxPoolBackward(const int nthreads, const Dtype* top_diff,
|
||||
const int64_t* top_mask, const int num, const int channels,
|
||||
const int height, const int width, const int pooled_height,
|
||||
const int pooled_width, const int kernel_h, const int kernel_w,
|
||||
const int stride_h, const int stride_w, const int pad_h, const int pad_w,
|
||||
const int dilation_h, const int dilation_w,
|
||||
Dtype* bottom_diff) {
|
||||
CUDA_KERNEL_LOOP(index, height*width) {
|
||||
int h = index/width;
|
||||
int w = index - h * width;
|
||||
//get some templating performance benefits without actually templating
|
||||
int phstart, phend, pwstart, pwend;
|
||||
if (stride_h == 1) {
|
||||
phstart =
|
||||
(h + pad_h < ((kernel_h - 1) * dilation_h + 1)) ? 0 : (h + pad_h - ((kernel_h - 1) * dilation_h + 1)) + 1;
|
||||
phend = min((h + pad_h) + 1, pooled_height);
|
||||
} else if (stride_h == 2) {
|
||||
phstart =
|
||||
(h + pad_h < ((kernel_h - 1) * dilation_h + 1)) ? 0 : (h + pad_h - ((kernel_h - 1) * dilation_h + 1)) / 2 + 1;
|
||||
phend = min((h + pad_h) / 2 + 1, pooled_height);
|
||||
} else {
|
||||
phstart =
|
||||
(h + pad_h < ((kernel_h - 1) * dilation_h + 1)) ? 0 : (h + pad_h - ((kernel_h - 1) * dilation_h + 1)) / stride_h + 1;
|
||||
phend = min((h + pad_h) / stride_h + 1, pooled_height);
|
||||
}
|
||||
if (stride_w == 1) {
|
||||
pwstart =
|
||||
(w + pad_w < ((kernel_w - 1) * dilation_w + 1)) ? 0 : (w + pad_w - ((kernel_w - 1) * dilation_w + 1)) + 1;
|
||||
pwend = min((w + pad_w) + 1, pooled_width);
|
||||
} else if (stride_w == 2) {
|
||||
pwstart =
|
||||
(w + pad_w < ((kernel_w - 1) * dilation_w + 1)) ? 0 : (w + pad_w - ((kernel_w - 1) * dilation_w + 1)) / 2 + 1;
|
||||
pwend = min((w + pad_w) / 2 + 1, pooled_width);
|
||||
} else {
|
||||
pwstart =
|
||||
(w + pad_w < ((kernel_w - 1) * dilation_w + 1)) ? 0 : (w + pad_w - ((kernel_w - 1) * dilation_w + 1)) / stride_w + 1;
|
||||
pwend = min((w + pad_w) / stride_w + 1, pooled_width);
|
||||
}
|
||||
for (int n = blockIdx.y; n < num; n += gridDim.y)
|
||||
for (int c = blockIdx.z; c < channels; c+= gridDim.z) {
|
||||
|
||||
AccType gradient = AccType(0);
|
||||
int offset = (n * channels + c) * pooled_height * pooled_width;
|
||||
top_diff += offset;
|
||||
top_mask += offset;
|
||||
//get some templating performance benefits without actually templating
|
||||
if ((phstart + 1 != phend) || (pwstart + 1 != pwend)) {
|
||||
for (int ph = phstart; ph < phend; ++ph) {
|
||||
for (int pw = pwstart; pw < pwend; ++pw) {
|
||||
if (top_mask[ph * pooled_width + pw] == h * width + w) {
|
||||
gradient += ScalarConvert<Dtype, AccType>::to(top_diff[ph * pooled_width + pw]);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (top_mask[phstart * pooled_width + pwstart] == h * width + w) {
|
||||
gradient += ScalarConvert<Dtype, AccType>::to(top_diff[phstart * pooled_width + pwstart]);
|
||||
}
|
||||
}
|
||||
bottom_diff[(n*channels+c)*height*width+index] = ScalarConvert<AccType, Dtype>::to(gradient);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#include <THCUNN/generic/SpatialDilatedMaxPooling.cu>
|
||||
#include <THC/THCGenerateFloatTypes.h>
|
||||
@ -1,4 +0,0 @@
|
||||
#include <THCUNN/THCUNN.h>
|
||||
|
||||
#include <THCUNN/generic/SpatialMaxPooling.cu>
|
||||
#include <THC/THCGenerateFloatTypes.h>
|
||||
@ -1,199 +0,0 @@
|
||||
#ifndef THC_GENERIC_FILE
|
||||
#define THC_GENERIC_FILE "THCUNN/generic/SpatialDilatedMaxPooling.cu"
|
||||
#else
|
||||
|
||||
#include <THCUNN/common.h>
|
||||
#include <THCUNN/generic/pooling_shape.h>
|
||||
#include <ATen/cuda/CUDAContext.h>
|
||||
|
||||
static inline void THNN_(SpatialDilatedMaxPooling_shapeCheck)(
|
||||
THCState *state,
|
||||
THCTensor *input, THCTensor *gradOutput, THCIndexTensor *indices,
|
||||
int kH, int kW, int dH, int dW, int padH, int padW,
|
||||
int dilationH, int dilationW, bool ceil_mode) {
|
||||
|
||||
THArgCheck(kW > 0 && kH > 0, 5,
|
||||
"kernel size should be greater than zero, but got kH: %d kW: %d", kH, kW);
|
||||
THArgCheck(dW > 0 && dH > 0, 8,
|
||||
"stride should be greater than zero, but got dH: %d dW: %d", dH, dW);
|
||||
THArgCheck(dilationH > 0 && dilationW > 0, 12,
|
||||
"dilation should be greater than zero, but got dilationH: %d dilationW: %d",
|
||||
dilationH, dilationW);
|
||||
|
||||
int ndim = input->dim();
|
||||
int dimf = 0;
|
||||
int dimh = 1;
|
||||
int dimw = 2;
|
||||
int batchSize = 1;
|
||||
|
||||
if (ndim == 4) {
|
||||
batchSize = input->size(0);
|
||||
dimf++;
|
||||
dimh++;
|
||||
dimw++;
|
||||
}
|
||||
|
||||
THCUNN_argCheck(state, !input->is_empty() && (ndim == 3 || ndim == 4), 2, input,
|
||||
"non-empty 3D or 4D input tensor expected but got: %s");
|
||||
THArgCheck(kW/2 >= padW && kH/2 >= padH, 2,
|
||||
"pad should be smaller than half of kernel size, but got "
|
||||
"padW = %d, padH = %d, kW = %d, kH = %d",
|
||||
padW, padH, kW, kH);
|
||||
|
||||
int64_t nInputPlane = input->size(dimh-1);
|
||||
int64_t nInputRows = input->size(dimh);
|
||||
int64_t nInputCols = input->size(dimw);
|
||||
int64_t nOutputPlane = nInputPlane;
|
||||
|
||||
int64_t nOutputRows = pooling_output_shape<int64_t>(nInputRows, kH, padH, dH, dilationH, ceil_mode);
|
||||
int64_t nOutputCols = pooling_output_shape<int64_t>(nInputCols, kW, padW, dW, dilationW, ceil_mode);
|
||||
|
||||
if (nOutputCols < 1 || nOutputRows < 1)
|
||||
THError("Given input size: (%dx%dx%d). "
|
||||
"Calculated output size: (%dx%dx%d). Output size is too small",
|
||||
nInputPlane,nInputRows,nInputCols,nInputPlane,nOutputRows,nOutputCols);
|
||||
|
||||
if (gradOutput != NULL) {
|
||||
THCUNN_check_dim_size(state, gradOutput, ndim, dimf, nOutputPlane);
|
||||
THCUNN_check_dim_size(state, gradOutput, ndim, dimh, nOutputRows);
|
||||
THCUNN_check_dim_size(state, gradOutput, ndim, dimw, nOutputCols);
|
||||
}
|
||||
if (indices != NULL) {
|
||||
THCUNN_check_dim_size_indices(state, indices, 4, 0, batchSize);
|
||||
THCUNN_check_dim_size_indices(state, indices, 4, 1, nOutputPlane);
|
||||
THCUNN_check_dim_size_indices(state, indices, 4, 2, nOutputRows);
|
||||
THCUNN_check_dim_size_indices(state, indices, 4, 3, nOutputCols);
|
||||
}
|
||||
}
|
||||
|
||||
void THNN_(SpatialDilatedMaxPooling_updateOutput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
THCTensor *output,
|
||||
THCIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
int dilationW, int dilationH,
|
||||
bool ceil_mode)
|
||||
{
|
||||
|
||||
THCUNN_assertSameGPU(state, 3, input, output, indices);
|
||||
THNN_(SpatialDilatedMaxPooling_shapeCheck)
|
||||
(state, input, NULL, NULL, kH, kW, dH, dW,
|
||||
padH, padW, dilationH, dilationW, ceil_mode);
|
||||
|
||||
int64_t nInputCols, nInputRows, nInputPlane, batchSize;
|
||||
int64_t nOutputCols, nOutputRows;
|
||||
|
||||
if (input->dim() == 3) {
|
||||
nInputCols = input->size(2);
|
||||
nInputRows = input->size(1);
|
||||
nInputPlane = input->size(0);
|
||||
batchSize = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
nInputCols = input->size(3);
|
||||
nInputRows = input->size(2);
|
||||
nInputPlane = input->size(1);
|
||||
batchSize = input->size(0);
|
||||
}
|
||||
|
||||
nOutputCols = pooling_output_shape<int64_t>(nInputCols, kW, padW, dW, dilationW, ceil_mode);
|
||||
nOutputRows = pooling_output_shape<int64_t>(nInputRows, kH, padH, dH, dilationH, ceil_mode);
|
||||
|
||||
input = THCTensor_(newContiguous)(state, input);
|
||||
scalar_t* input_data = THCTensor_(data)(state, input);
|
||||
|
||||
THCTensor_(resize4d)(state, output, batchSize, nInputPlane, nOutputRows, nOutputCols);
|
||||
THCUNN_resizeAs_indices(state, indices, output);
|
||||
|
||||
THCIndex_t* indices_data = THCIndexTensor_(data)(state, indices);
|
||||
scalar_t* output_data = THCTensor_(data)(state, output);
|
||||
|
||||
int count = THCTensor_(nElement)(state, output);
|
||||
|
||||
MaxPoolForward<scalar_t, accreal> <<< GET_BLOCKS(count), CUDA_NUM_THREADS, 0, THCState_getCurrentStream(state) >>>
|
||||
(count, input_data,
|
||||
batchSize, nInputPlane, nInputRows, nInputCols, nOutputRows, nOutputCols,
|
||||
kH, kW, dH, dW, padH, padW, dilationH, dilationW, output_data, indices_data);
|
||||
THCudaCheck(cudaGetLastError());
|
||||
|
||||
if(input->dim() == 3)
|
||||
THCTensor_(resize3d)(state, output, nInputPlane, nOutputRows, nOutputCols);
|
||||
|
||||
THCTensor_(free)(state, input);
|
||||
}
|
||||
|
||||
void THNN_(SpatialDilatedMaxPooling_updateGradInput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
THCTensor *gradOutput,
|
||||
THCTensor *gradInput,
|
||||
THCIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
int dilationW, int dilationH,
|
||||
bool ceil_mode)
|
||||
{
|
||||
THCUNN_assertSameGPU(state, 4, input, gradOutput, indices, gradInput);
|
||||
THNN_(SpatialDilatedMaxPooling_shapeCheck)
|
||||
(state, input, gradOutput, indices, kH, kW, dH, dW,
|
||||
padH, padW, dilationH, dilationW, ceil_mode);
|
||||
|
||||
input = THCTensor_(newContiguous)(state, input);
|
||||
gradOutput = THCTensor_(newContiguous)(state, gradOutput);
|
||||
|
||||
int64_t nInputCols, nInputRows, nInputPlane, batchSize;
|
||||
int64_t nOutputCols, nOutputRows;
|
||||
|
||||
if (THTensor_nDimensionLegacyAll(input) == 3) {
|
||||
nInputCols = input->size(2);
|
||||
nInputRows = input->size(1);
|
||||
nInputPlane = input->size(0);
|
||||
batchSize = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
nInputCols = input->size(3);
|
||||
nInputRows = input->size(2);
|
||||
nInputPlane = input->size(1);
|
||||
batchSize = input->size(0);
|
||||
}
|
||||
|
||||
nOutputCols = pooling_output_shape<int64_t>(nInputCols, kW, padW, dW, dilationW, ceil_mode);
|
||||
nOutputRows = pooling_output_shape<int64_t>(nInputRows, kH, padH, dH, dilationH, ceil_mode);
|
||||
|
||||
gradOutput = THCTensor_(newContiguous)(state, gradOutput);
|
||||
THCTensor_(resizeAs)(state, gradInput, input);
|
||||
|
||||
int count = THCTensor_(nElement)(state, input);
|
||||
dim3 grid;
|
||||
int imgcount = nInputCols * nInputRows;
|
||||
const int blocks = (imgcount + BACKWARD_THREADS - 1) / BACKWARD_THREADS;
|
||||
grid.x = blocks;
|
||||
grid.y = batchSize;
|
||||
grid.z = nInputPlane;
|
||||
uint64_t maxGridY = at::cuda::getCurrentDeviceProperties()->maxGridSize[1];
|
||||
uint64_t maxGridZ = at::cuda::getCurrentDeviceProperties()->maxGridSize[2];
|
||||
if (maxGridY < grid.y) grid.y = maxGridY;
|
||||
if (maxGridZ < grid.z) grid.z = maxGridZ;
|
||||
MaxPoolBackward<scalar_t, accreal> <<< grid, BACKWARD_THREADS, 0, THCState_getCurrentStream(state) >>>
|
||||
(count,
|
||||
THCTensor_(data)(state, gradOutput),
|
||||
THCIndexTensor_(data)(state, indices),
|
||||
batchSize, nInputPlane, nInputRows, nInputCols, nOutputRows, nOutputCols,
|
||||
kH, kW, dH, dW, padH, padW, dilationH, dilationW,
|
||||
THCTensor_(data)(state, gradInput));
|
||||
THCudaCheck(cudaGetLastError());
|
||||
|
||||
THCTensor_(free)(state, gradOutput);
|
||||
|
||||
// clean
|
||||
THCTensor_(free)(state, input);
|
||||
THCTensor_(free)(state, gradOutput);
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -1,40 +0,0 @@
|
||||
#ifndef THC_GENERIC_FILE
|
||||
#define THC_GENERIC_FILE "THCUNN/generic/SpatialMaxPooling.cu"
|
||||
#else
|
||||
|
||||
#include <THCUNN/common.h>
|
||||
|
||||
void THNN_(SpatialMaxPooling_updateOutput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
THCTensor *output,
|
||||
THCIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
bool ceil_mode)
|
||||
{
|
||||
THNN_(SpatialDilatedMaxPooling_updateOutput)(
|
||||
state, input, output, indices,
|
||||
kW, kH, dW, dH, padW, padH, 1, 1, ceil_mode);
|
||||
|
||||
}
|
||||
|
||||
void THNN_(SpatialMaxPooling_updateGradInput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
THCTensor *gradOutput,
|
||||
THCTensor *gradInput,
|
||||
THCIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
bool ceil_mode)
|
||||
{
|
||||
THNN_(SpatialDilatedMaxPooling_updateGradInput)(
|
||||
state, input, gradOutput, gradInput, indices,
|
||||
kW, kH, dW, dH, padW, padH, 1, 1, ceil_mode);
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -665,29 +665,6 @@ THC_API void THNN_(SpatialFullDilatedConvolution_accGradParameters)(
|
||||
int adjW, int adjH,
|
||||
accreal scale);
|
||||
|
||||
THC_API void THNN_(SpatialDilatedMaxPooling_updateOutput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
THCTensor *output,
|
||||
THCIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
int dilationW, int dilationH,
|
||||
bool ceil_mode);
|
||||
|
||||
THC_API void THNN_(SpatialDilatedMaxPooling_updateGradInput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
THCTensor *gradOutput,
|
||||
THCTensor *gradInput,
|
||||
THCIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
int dilationW, int dilationH,
|
||||
bool ceil_mode);
|
||||
|
||||
THC_API void THNN_(SpatialFullConvolution_updateOutput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
@ -727,27 +704,6 @@ THC_API void THNN_(SpatialFullConvolution_accGradParameters)(
|
||||
int adjW, int adjH,
|
||||
accreal scale);
|
||||
|
||||
THC_API void THNN_(SpatialMaxPooling_updateOutput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
THCTensor *output,
|
||||
THCIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
bool ceil_mode);
|
||||
|
||||
THC_API void THNN_(SpatialMaxPooling_updateGradInput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
THCTensor *gradOutput,
|
||||
THCTensor *gradInput,
|
||||
THCIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
bool ceil_mode);
|
||||
|
||||
THC_API void THNN_(SpatialMaxUnpooling_updateOutput)(
|
||||
THCState *state,
|
||||
THCTensor *input,
|
||||
|
||||
@ -1,368 +0,0 @@
|
||||
#ifndef TH_GENERIC_FILE
|
||||
#define TH_GENERIC_FILE "THNN/generic/SpatialDilatedMaxPooling.c"
|
||||
#else
|
||||
|
||||
#include <THNN/generic/pooling_shape.h>
|
||||
#include <algorithm>
|
||||
|
||||
#include <ATen/Parallel.h>
|
||||
|
||||
static inline void THNN_(SpatialDilatedMaxPooling_shapeCheck)(
|
||||
THTensor *input, THTensor *gradOutput, THIndexTensor *indices,
|
||||
int kH, int kW, int dH, int dW, int padH, int padW,
|
||||
int dilationH, int dilationW, bool ceil_mode) {
|
||||
|
||||
THArgCheck(kW > 0 && kH > 0, 5,
|
||||
"kernel size should be greater than zero, but got kH: %d kW: %d", kH, kW);
|
||||
THArgCheck(dW > 0 && dH > 0, 8,
|
||||
"stride should be greater than zero, but got dH: %d dW: %d", dH, dW);
|
||||
THArgCheck(dilationH > 0 && dilationW > 0, 12,
|
||||
"dilation should be greater than zero, but got dilationH: %d dilationW: %d",
|
||||
dilationH, dilationW);
|
||||
|
||||
int ndim = input->dim();
|
||||
int dimf = 0;
|
||||
int dimh = 1;
|
||||
int dimw = 2;
|
||||
|
||||
if (ndim == 4) {
|
||||
dimf++;
|
||||
dimh++;
|
||||
dimw++;
|
||||
}
|
||||
|
||||
THNN_ARGCHECK(!input->is_empty() && (ndim == 3 || ndim == 4), 2, input,
|
||||
"non-empty 3D or 4D input tensor expected but got: %s");
|
||||
|
||||
THArgCheck(kW/2 >= padW && kH/2 >= padH, 2,
|
||||
"pad should be smaller than half of kernel size, but got "
|
||||
"padW = %d, padH = %d, kW = %d, kH = %d",
|
||||
padW, padH, kW, kH);
|
||||
|
||||
int64_t nInputPlane = input->size(dimh-1);
|
||||
int64_t inputHeight = input->size(dimh);
|
||||
int64_t inputWidth = input->size(dimw);
|
||||
int64_t nOutputPlane = nInputPlane;
|
||||
|
||||
int64_t outputHeight = pooling_output_shape<int64_t>(inputHeight, kH, padH, dH, dilationH, ceil_mode);
|
||||
int64_t outputWidth = pooling_output_shape<int64_t>(inputWidth, kW, padW, dW, dilationW, ceil_mode);
|
||||
|
||||
if (outputWidth < 1 || outputHeight < 1)
|
||||
THError("Given input size: (%dx%dx%d). "
|
||||
"Calculated output size: (%dx%dx%d). Output size is too small",
|
||||
nInputPlane,inputHeight,inputWidth,nInputPlane,outputHeight,outputWidth);
|
||||
|
||||
if (gradOutput != NULL) {
|
||||
THNN_CHECK_DIM_SIZE(gradOutput, ndim, dimf, nOutputPlane);
|
||||
THNN_CHECK_DIM_SIZE(gradOutput, ndim, dimh, outputHeight);
|
||||
THNN_CHECK_DIM_SIZE(gradOutput, ndim, dimw, outputWidth);
|
||||
}
|
||||
if (indices != NULL) {
|
||||
THNN_CHECK_DIM_SIZE_INDICES(indices, ndim, dimf, nOutputPlane);
|
||||
THNN_CHECK_DIM_SIZE_INDICES(indices, ndim, dimh, outputHeight);
|
||||
THNN_CHECK_DIM_SIZE_INDICES(indices, ndim, dimw, outputWidth);
|
||||
}
|
||||
}
|
||||
|
||||
static void THNN_(SpatialDilatedMaxPooling_updateOutput_frame)(
|
||||
scalar_t *input_p,
|
||||
scalar_t *output_p,
|
||||
THIndex_t *ind_p,
|
||||
int64_t nslices,
|
||||
int64_t iwidth,
|
||||
int64_t iheight,
|
||||
int64_t owidth,
|
||||
int64_t oheight,
|
||||
int kW,
|
||||
int kH,
|
||||
int dW,
|
||||
int dH,
|
||||
int padW,
|
||||
int padH,
|
||||
int dilationW,
|
||||
int dilationH
|
||||
)
|
||||
{
|
||||
at::parallel_for(0, nslices, 0, [&](int64_t start, int64_t end) {
|
||||
for (auto k = start; k < end; k++)
|
||||
{
|
||||
/* loop over output */
|
||||
int64_t i, j;
|
||||
scalar_t *ip = input_p + k*iwidth*iheight;
|
||||
for(i = 0; i < oheight; i++)
|
||||
{
|
||||
for(j = 0; j < owidth; j++)
|
||||
{
|
||||
int64_t hstart = i * dH - padH;
|
||||
int64_t wstart = j * dW - padW;
|
||||
int64_t hend = std::min(hstart + (kH - 1) * dilationH + 1, iheight);
|
||||
int64_t wend = std::min(wstart + (kW - 1) * dilationW + 1, iwidth);
|
||||
while(hstart < 0)
|
||||
hstart += dilationH;
|
||||
while(wstart < 0)
|
||||
wstart += dilationW;
|
||||
|
||||
/* local pointers */
|
||||
scalar_t *op = output_p + k*owidth*oheight + i*owidth + j;
|
||||
THIndex_t *indp = ind_p + k*owidth*oheight + i*owidth + j;
|
||||
|
||||
/* compute local max: */
|
||||
int64_t maxindex = -1;
|
||||
scalar_t maxval = -THInf;
|
||||
int64_t tcntr = 0;
|
||||
int64_t x,y;
|
||||
for(y = hstart; y < hend; y += dilationH)
|
||||
{
|
||||
for(x = wstart; x < wend; x += dilationW)
|
||||
{
|
||||
tcntr = y*iwidth + x;
|
||||
scalar_t val = *(ip + tcntr);
|
||||
if ((val > maxval) || std::isnan(val))
|
||||
{
|
||||
maxval = val;
|
||||
maxindex = tcntr;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* set output to local max */
|
||||
*op = maxval;
|
||||
|
||||
/* store location of max */
|
||||
*indp = maxindex;
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void THNN_(SpatialDilatedMaxPooling_updateOutput)(
|
||||
THNNState *state,
|
||||
THTensor *input,
|
||||
THTensor *output,
|
||||
THIndexTensor *indices,
|
||||
int kW,
|
||||
int kH,
|
||||
int dW,
|
||||
int dH,
|
||||
int padW,
|
||||
int padH,
|
||||
int dilationW,
|
||||
int dilationH,
|
||||
bool ceil_mode)
|
||||
{
|
||||
|
||||
int dimw = 2;
|
||||
int dimh = 1;
|
||||
int64_t nbatch = 1;
|
||||
int64_t nInputPlane;
|
||||
int64_t inputHeight;
|
||||
int64_t inputWidth;
|
||||
int64_t outputHeight;
|
||||
int64_t outputWidth;
|
||||
scalar_t *input_data;
|
||||
scalar_t *output_data;
|
||||
THIndex_t *indices_data;
|
||||
|
||||
THNN_(SpatialDilatedMaxPooling_shapeCheck)
|
||||
(input, NULL, NULL, kH, kW, dH, dW,
|
||||
padH, padW, dilationH, dilationW, ceil_mode);
|
||||
|
||||
if (input->dim() == 4)
|
||||
{
|
||||
nbatch = input->size(0);
|
||||
dimw++;
|
||||
dimh++;
|
||||
}
|
||||
|
||||
/* sizes */
|
||||
nInputPlane = input->size(dimh-1);
|
||||
inputHeight = input->size(dimh);
|
||||
inputWidth = input->size(dimw);
|
||||
outputHeight = pooling_output_shape<int64_t>(inputHeight, kH, padH, dH, dilationH, ceil_mode);
|
||||
outputWidth = pooling_output_shape<int64_t>(inputWidth, kW, padW, dW, dilationW, ceil_mode);
|
||||
|
||||
/* get contiguous input */
|
||||
input = THTensor_(newContiguous)(input);
|
||||
|
||||
/* resize output */
|
||||
if (input->dim() == 3)
|
||||
{
|
||||
THTensor_(resize3d)(output, nInputPlane, outputHeight, outputWidth);
|
||||
/* indices will contain the locations for each output point */
|
||||
THIndexTensor_(resize3d)(indices, nInputPlane, outputHeight, outputWidth);
|
||||
|
||||
input_data = input->data<scalar_t>();
|
||||
output_data = output->data<scalar_t>();
|
||||
indices_data = THIndexTensor_(data)(indices);
|
||||
|
||||
THNN_(SpatialDilatedMaxPooling_updateOutput_frame)
|
||||
(input_data, output_data,
|
||||
indices_data,
|
||||
nInputPlane,
|
||||
inputWidth, inputHeight,
|
||||
outputWidth, outputHeight,
|
||||
kW, kH, dW, dH,
|
||||
padW, padH,
|
||||
dilationW, dilationH
|
||||
);
|
||||
}
|
||||
else
|
||||
{
|
||||
THTensor_(resize4d)(output, nbatch, nInputPlane, outputHeight, outputWidth);
|
||||
/* indices will contain the locations for each output point */
|
||||
THIndexTensor_(resize4d)(indices, nbatch, nInputPlane, outputHeight, outputWidth);
|
||||
|
||||
input_data = input->data<scalar_t>();
|
||||
output_data = output->data<scalar_t>();
|
||||
indices_data = THIndexTensor_(data)(indices);
|
||||
|
||||
at::parallel_for(0, nbatch, 0, [&](int64_t start, int64_t end) {
|
||||
for (auto p = start; p < end; p++)
|
||||
{
|
||||
THNN_(SpatialDilatedMaxPooling_updateOutput_frame)
|
||||
(input_data+p*nInputPlane*inputWidth*inputHeight,
|
||||
output_data+p*nInputPlane*outputWidth*outputHeight,
|
||||
indices_data+p*nInputPlane*outputWidth*outputHeight,
|
||||
nInputPlane,
|
||||
inputWidth, inputHeight,
|
||||
outputWidth, outputHeight,
|
||||
kW, kH, dW, dH,
|
||||
padW, padH,
|
||||
dilationW, dilationH
|
||||
);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/* cleanup */
|
||||
c10::raw::intrusive_ptr::decref(input);
|
||||
}
|
||||
|
||||
static void THNN_(SpatialDilatedMaxPooling_updateGradInput_frame)(
|
||||
scalar_t *gradInput_p,
|
||||
scalar_t *gradOutput_p,
|
||||
THIndex_t *ind_p,
|
||||
int64_t nInputPlane,
|
||||
int64_t inputWidth,
|
||||
int64_t inputHeight,
|
||||
int64_t outputWidth,
|
||||
int64_t outputHeight,
|
||||
int dW,
|
||||
int dH)
|
||||
{
|
||||
at::parallel_for(0, nInputPlane, 0, [&](int64_t start, int64_t end) {
|
||||
for (auto k = start; k < end; k++)
|
||||
{
|
||||
scalar_t *gradInput_p_k = gradInput_p + k*inputWidth*inputHeight;
|
||||
scalar_t *gradOutput_p_k = gradOutput_p + k*outputWidth*outputHeight;
|
||||
THIndex_t *ind_p_k = ind_p + k*outputWidth*outputHeight;
|
||||
|
||||
/* calculate max points */
|
||||
int64_t i, j;
|
||||
for(i = 0; i < outputHeight; i++)
|
||||
{
|
||||
for(j = 0; j < outputWidth; j++)
|
||||
{
|
||||
/* retrieve position of max */
|
||||
int64_t maxp = ind_p_k[i*outputWidth + j];
|
||||
if (maxp != -1) {
|
||||
/* update gradient */
|
||||
gradInput_p_k[maxp] += gradOutput_p_k[i*outputWidth + j];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void THNN_(SpatialDilatedMaxPooling_updateGradInput)(
|
||||
THNNState *state,
|
||||
THTensor *input,
|
||||
THTensor *gradOutput,
|
||||
THTensor *gradInput,
|
||||
THIndexTensor *indices,
|
||||
int kW,
|
||||
int kH,
|
||||
int dW,
|
||||
int dH,
|
||||
int padW,
|
||||
int padH,
|
||||
int dilationW,
|
||||
int dilationH,
|
||||
bool ceil_mode)
|
||||
{
|
||||
int dimw = 2;
|
||||
int dimh = 1;
|
||||
int64_t nbatch = 1;
|
||||
int nInputPlane;
|
||||
int inputHeight;
|
||||
int inputWidth;
|
||||
int outputHeight;
|
||||
int outputWidth;
|
||||
scalar_t *gradInput_data;
|
||||
scalar_t *gradOutput_data;
|
||||
THIndex_t *indices_data;
|
||||
|
||||
THNN_(SpatialDilatedMaxPooling_shapeCheck)
|
||||
(input, gradOutput, indices, kH, kW, dH, dW,
|
||||
padH, padW, dilationH, dilationW, ceil_mode);
|
||||
|
||||
/* get contiguous gradOutput */
|
||||
gradOutput = THTensor_(newContiguous)(gradOutput);
|
||||
|
||||
/* resize */
|
||||
THTensor_(resizeAs)(gradInput, input);
|
||||
THTensor_(zero)(gradInput);
|
||||
|
||||
if (input->dim() == 4) {
|
||||
nbatch = input->size(0);
|
||||
dimw++;
|
||||
dimh++;
|
||||
}
|
||||
|
||||
/* sizes */
|
||||
nInputPlane = input->size(dimh-1);
|
||||
inputHeight = input->size(dimh);
|
||||
inputWidth = input->size(dimw);
|
||||
outputHeight = gradOutput->size(dimh);
|
||||
outputWidth = gradOutput->size(dimw);
|
||||
|
||||
/* get raw pointers */
|
||||
gradInput_data = gradInput->data<scalar_t>();
|
||||
gradOutput_data = gradOutput->data<scalar_t>();
|
||||
indices_data = THIndexTensor_(data)(indices);
|
||||
|
||||
/* backprop */
|
||||
if (input->dim() == 3)
|
||||
{
|
||||
THNN_(SpatialDilatedMaxPooling_updateGradInput_frame)
|
||||
(gradInput_data, gradOutput_data,
|
||||
indices_data,
|
||||
nInputPlane,
|
||||
inputWidth, inputHeight,
|
||||
outputWidth, outputHeight,
|
||||
dW, dH);
|
||||
}
|
||||
else
|
||||
{
|
||||
at::parallel_for(0, nbatch, 0, [&](int64_t start, int64_t end) {
|
||||
for (auto p = start; p < end; p++)
|
||||
{
|
||||
THNN_(SpatialDilatedMaxPooling_updateGradInput_frame)
|
||||
(gradInput_data+p*nInputPlane*inputWidth*inputHeight,
|
||||
gradOutput_data+p*nInputPlane*outputWidth*outputHeight,
|
||||
indices_data+p*nInputPlane*outputWidth*outputHeight,
|
||||
nInputPlane,
|
||||
inputWidth, inputHeight,
|
||||
outputWidth, outputHeight,
|
||||
dW, dH);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
/* cleanup */
|
||||
c10::raw::intrusive_ptr::decref(gradOutput);
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -526,28 +526,6 @@ TH_API void THNN_(SpatialFullDilatedConvolution_accGradParameters)(
|
||||
int adjW, int adjH,
|
||||
accreal scale);
|
||||
|
||||
TH_API void THNN_(SpatialDilatedMaxPooling_updateOutput)(
|
||||
THNNState *state,
|
||||
THTensor *input,
|
||||
THTensor *output,
|
||||
THIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
int dilationW, int dilationH,
|
||||
bool ceil_mode);
|
||||
TH_API void THNN_(SpatialDilatedMaxPooling_updateGradInput)(
|
||||
THNNState *state,
|
||||
THTensor *input,
|
||||
THTensor *gradOutput,
|
||||
THTensor *gradInput,
|
||||
THIndexTensor *indices,
|
||||
int kW, int kH,
|
||||
int dW, int dH,
|
||||
int padW, int padH,
|
||||
int dilationW, int dilationH,
|
||||
bool ceil_mode);
|
||||
|
||||
TH_API void THNN_(SpatialMaxUnpooling_updateOutput)(
|
||||
THNNState *state,
|
||||
THTensor *input,
|
||||
|
||||
@ -145,9 +145,6 @@
|
||||
#include <THNN/generic/SpatialAveragePooling.c>
|
||||
#include <TH/THGenerateFloatTypes.h>
|
||||
|
||||
#include <THNN/generic/SpatialDilatedMaxPooling.c>
|
||||
#include <TH/THGenerateFloatTypes.h>
|
||||
|
||||
#include <THNN/generic/SpatialMaxUnpooling.c>
|
||||
#include <TH/THGenerateFloatTypes.h>
|
||||
|
||||
|
||||
@ -277,8 +277,6 @@ def _generate_function_classes(scope_dict):
|
||||
'SpatialConvolutionMM',
|
||||
'TemporalConvolution',
|
||||
'SpatialAveragePooling',
|
||||
'SpatialMaxPooling',
|
||||
'SpatialDilatedMaxPooling',
|
||||
'SpatialMaxUnpooling',
|
||||
'VolumetricAveragePooling',
|
||||
'VolumetricMaxPooling',
|
||||
|
||||
Reference in New Issue
Block a user