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https://github.com/uxlfoundation/oneDNN.git
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1125a6bea0
This is to specify the behavior it follows in the name and also reduce misalignment inside the library.
91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
/*******************************************************************************
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* Copyright 2020-2022 Intel Corporation
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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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#include <map>
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#include <set>
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#include <utility>
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#include "tests/test_isa_common.hpp"
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#include "gtest/gtest.h"
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#include "oneapi/dnnl/dnnl.hpp"
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#include "src/cpu/x64/cpu_isa_traits.hpp"
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namespace dnnl {
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TEST(isa_hints_test_t, TestISAHints) {
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using impl::cpu::x64::cpu_isa_t;
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auto hints = cpu_isa_hints::prefer_ymm;
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// Use soft version of mayiuse that allows resetting the cpu_isa_hints
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const bool test_flag = true;
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std::map<cpu_isa_t, bool> compat_before_hint;
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for (auto isa : cpu_isa_list()) {
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const auto &internal_isa_set = masked_internal_cpu_isa(isa);
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for (auto internal_isa : internal_isa_set) {
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compat_before_hint[internal_isa] = mayiuse(internal_isa, test_flag);
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}
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}
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std::map<std::pair<cpu_isa_t, cpu_isa_t>, std::pair<bool, bool>>
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masked_compat_before_hint;
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for (const auto &isa_pair : hints_masked_internal_cpu_isa(hints)) {
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masked_compat_before_hint[isa_pair]
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= {mayiuse(isa_pair.first, test_flag),
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mayiuse(isa_pair.second, test_flag)};
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}
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status st = set_cpu_isa_hints(hints);
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// status::unimplemented if the feature was disabled at compile time
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if (st == status::unimplemented) return;
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ASSERT_TRUE(st == status::success);
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for (auto isa : cpu_isa_list()) {
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const auto &internal_isa_set = masked_internal_cpu_isa(isa);
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for (auto internal_isa : internal_isa_set) {
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// ISA specific hint will not change the non-hint-complying ISA
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ASSERT_TRUE(compat_before_hint[internal_isa]
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== mayiuse(internal_isa, test_flag));
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}
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}
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for (const auto &isa_pair : hints_masked_internal_cpu_isa(hints)) {
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auto compat_pair = masked_compat_before_hint[isa_pair];
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// isa_pair = {isa_no_hint, isa_hints} is a pair of two ISA that are
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// only distinguished w.r.t. the CPU ISA hints. Also compat_pair
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// verifies ISA use before the CPU_ISA hints is applied i.e.
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//
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// {compat_pair.frst, compat_pair.second} :=
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// { mayiuse(isa_no_hints), mayiuse(isa_hints) }
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// CPU_ISA_HINT will not affect the availability of isa_no_hint
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ASSERT_TRUE(mayiuse(isa_pair.first, test_flag) == compat_pair.first);
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// Without proper CPU_ISA_HINT isa_hints will not be available
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ASSERT_FALSE(compat_pair.second);
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// With proper CPU_ISA_HINT isa_hints is available if and only if
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// isa_no_hints is available
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ASSERT_TRUE(mayiuse(isa_pair.first, test_flag)
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== mayiuse(isa_pair.second, test_flag));
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}
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}
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} // namespace dnnl
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