56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
/* Copyright (c) 2019 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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#include "paddle/common/errors.h"
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#include "paddle/phi/backends/cpu/cpu_info.h"
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#include "paddle/phi/common/place.h"
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#include "paddle/phi/core/enforce.h"
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#include "paddle/phi/backends/gpu/gpu_info.h"
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#ifdef PADDLE_WITH_XPU
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#include "paddle/phi/backends/xpu/xpu_info.h"
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#endif
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namespace phi {
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inline size_t Alignment(size_t size,
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const phi::Place &place,
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int align_size = -1) {
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size_t alignment = 0;
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if (align_size > 0) {
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alignment = align_size;
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} else {
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alignment = 1024;
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if (place.GetType() == phi::AllocationType::CPU) {
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alignment = phi::backends::cpu::CpuMinChunkSize();
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} else {
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#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
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alignment = phi::backends::gpu::GpuMinChunkSize();
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#elif defined(PADDLE_WITH_XPU)
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alignment = phi::backends::xpu::XPUMinChunkSize();
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#else
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PADDLE_THROW(common::errors::PreconditionNotMet(
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"Fluid is not compiled with CUDA/XPU."));
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#endif
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}
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}
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size_t remaining = size % alignment;
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return remaining == 0 ? size : size + (alignment - remaining);
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}
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} // namespace phi
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