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switch allocator when switch stream #70922

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merged 3 commits into from
Jan 22, 2025
Merged

switch allocator when switch stream #70922

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f81e5f5
switch allocator when switch stream
wanghuancoder Jan 21, 2025
aefb974
refine
wanghuancoder Jan 21, 2025
647cd8c
refine
wanghuancoder Jan 22, 2025
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12 changes: 11 additions & 1 deletion paddle/phi/backends/gpu/gpu_context.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ limitations under the License. */
#include "paddle/phi/common/place.h"
#include "paddle/phi/core/allocator.h"
#include "paddle/phi/core/cuda_stream.h"

#include "paddle/phi/core/memory/allocation/allocator_facade.h"
#ifdef PADDLE_WITH_CUDA
#include "paddle/phi/backends/dynload/cublas.h"
#include "paddle/phi/backends/dynload/cudnn.h"
Expand Down Expand Up @@ -960,11 +960,21 @@ void GPUContext::Init() {
}

void GPUContext::SetStream(gpuStream_t stream) {
#if !defined(_WIN32)
this->SetAllocator(paddle::memory::allocation::AllocatorFacade::Instance()
.GetAllocator(impl_->GetPlace(), stream)
.get());
#endif
impl_->allocator_ = const_cast<Allocator*>(&this->GetAllocator()); // NOLINT
impl_->SetStream(stream);
}

void GPUContext::SetCUDAStream(CUDAStream* stream, bool clear) {
#if !defined(_WIN32)
this->SetAllocator(paddle::memory::allocation::AllocatorFacade::Instance()
.GetAllocator(stream->place(), stream->raw_stream())
.get());
#endif
impl_->allocator_ = const_cast<Allocator*>(&this->GetAllocator()); // NOLINT
impl_->SetCUDAStream(stream, clear);
}
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