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https://github.com/vllm-project/vllm-ascend.git
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ce8259975e
This PR add custom ascendc kernel rotary_embedding support in vllm-ascend, related CMakeLists and setuptools is also added in this PR. Related: https://github.com/vllm-project/vllm-ascend/issues/156 --------- Signed-off-by: ganyi <pleaplusone.gy@gmail.com>
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/*
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* Copyright (c) Huawei Technologies Co., Ltd. 2024. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "kernel_type.h"
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namespace vllm_ascend {
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template <typename scalar_t> struct AccType;
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template <> struct AccType<bfloat16_t> {
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using type = float;
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};
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template <> struct AccType<half> {
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using type = half;
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};
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template <> struct AccType<float> {
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using type = float;
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};
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template <> struct AccType<int8_t> {
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using type = int;
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};
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template <typename scalar_t>
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__aicore__ inline void local_mem_copy(AscendC::LocalTensor<scalar_t> dst, AscendC::LocalTensor<scalar_t> src, int size)
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{
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constexpr int loadSize = 256 / sizeof(scalar_t);
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int loopCnt = size / loadSize;
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int tailSize = size % loadSize;
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if (loopCnt)
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AscendC::Copy(dst, src, loadSize, loopCnt, {1, 1, 8, 8});
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AscendC::Copy(dst[loopCnt * loadSize], src[loopCnt * loadSize], tailSize, 1, {1, 1, 8, 8});
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}
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} // namespace vllm_ascend
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