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change aclrtSynchronizeDevice to aclrtSynchronizeStream for better performance #32196

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merged 2 commits into from
Apr 12, 2021
Merged

change aclrtSynchronizeDevice to aclrtSynchronizeStream for better performance #32196

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c4b0428
change aclrtSynchronizeDevice to aclrtSynchronizeStream for better pe…
zhiqiu Apr 12, 2021
5154443
refine code
zhiqiu Apr 12, 2021
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3 changes: 1 addition & 2 deletions paddle/fluid/platform/device_context.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -254,9 +254,8 @@ NPUDeviceContext::~NPUDeviceContext() {

void NPUDeviceContext::Wait() const {
platform::RecordEvent record_event("NPUDeviceContext/wait");
NPUDeviceGuard guard(place_.device);
VLOG(4) << "NPU context Wait";
PADDLE_ENFORCE_NPU_SUCCESS(aclrtSynchronizeDevice());
stream_->Wait();
}

aclrtStream NPUDeviceContext::stream() const { return stream_->raw_stream(); }
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