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90 lines
2.1 KiB
90 lines
2.1 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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#pragma once
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#include <stddef.h>
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#ifdef _WIN32
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#if defined(__AVX2__)
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#include <immintrin.h> // avx2
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#elif defined(__AVX__)
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#include <intrin.h> // avx
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#endif // AVX
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#else // WIN32
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#ifdef __AVX__
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#include <immintrin.h>
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#endif
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#endif // WIN32
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#if defined(_WIN32)
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#define ALIGN32_BEG __declspec(align(32))
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#define ALIGN32_END
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#else
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#define ALIGN32_BEG
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#define ALIGN32_END __attribute__((aligned(32)))
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#endif // _WIN32
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#ifndef PADDLE_WITH_XBYAK
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#ifdef _WIN32
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#define cpuid(reg, x) __cpuidex(reg, x, 0)
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#else
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#include <cpuid.h>
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inline void cpuid(int reg[4], int x) {
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__cpuid_count(x, 0, reg[0], reg[1], reg[2], reg[3]);
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}
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#endif
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#endif
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namespace paddle {
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namespace platform {
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size_t CpuTotalPhysicalMemory();
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//! Get the maximum allocation size for a machine.
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size_t CpuMaxAllocSize();
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//! Get the maximum allocation size for a machine.
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size_t CUDAPinnedMaxAllocSize();
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//! Get the minimum chunk size for buddy allocator.
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size_t CpuMinChunkSize();
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//! Get the maximum chunk size for buddy allocator.
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size_t CpuMaxChunkSize();
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//! Get the minimum chunk size for buddy allocator.
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size_t CUDAPinnedMinChunkSize();
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//! Get the maximum chunk size for buddy allocator.
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size_t CUDAPinnedMaxChunkSize();
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typedef enum {
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isa_any,
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sse42,
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avx,
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avx2,
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avx512f,
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avx512_core,
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avx512_core_vnni,
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avx512_mic,
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avx512_mic_4ops,
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} cpu_isa_t; // Instruction set architecture
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// May I use some instruction
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bool MayIUse(const cpu_isa_t cpu_isa);
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} // namespace platform
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} // namespace paddle
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