[XPU] support python streams api for xpu #73924
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runzhech force-pushed the streams branch 2 times, most recently from 069f46f to 90309e4 Compare 
zhupengyang reviewed Jul 18, 2025
Codecov Report❌ Patch coverage is
❌ Your patch status has failed because the patch coverage (27.27%) is below the target coverage (90.00%). You can increase the patch coverage or adjust the target coverage. Additional details and impacted files@@ Coverage Diff @@ ## develop #73924 +/- ## ========================================== Coverage ? 27.27% ========================================== Files ? 3 Lines ? 22 Branches ? 0 ========================================== Hits ? 6 Misses ? 16 Partials ? 0 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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runzhech force-pushed the streams branch 5 times, most recently from 133617d to 67f6f1b Compare 
mayang002 reviewed Jul 29, 2025
| | ||
| int64_t XPUContext::GetStreamNum() const { return impls_.size(); } | ||
| | ||
| int XPUContext::SetCurrentStream(int idx) { |
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如果 idx == prev_stream_idx，直接返回。
mayang002 reviewed Jul 29, 2025
| int prev_stream_idx = current_stream_idx; | ||
| impls_[0]->SetStream(stream_pool[idx]); | ||
| current_stream_idx = idx; | ||
| idle_stream_flags[prev_stream_idx] = true; |
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idle_stream_flags[current_stream_idx] 设置为 false
mayang002 reviewed Jul 29, 2025
| break; | ||
| } | ||
| } | ||
| if (found_idle_stream) { |
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如果 found，还需要把 idle_stream_flags 对应位置设置为 false
runzhech force-pushed the streams branch 6 times, most recently from 3f1f8c7 to 92bf114 Compare 
runzhech force-pushed the streams branch 2 times, most recently from 469181a to 814126e Compare 
| /re-run all-failed |
mayang002 approved these changes Aug 5, 2025
cqulilujia reviewed Aug 5, 2025
python/paddle/device/xpu/__init__.py Outdated
| Return the current CUDA stream by the device. | ||
| Args: | ||
| device(paddle.CUDAPlace()|int|None, optional): The device or the ID of the device which want to get stream from. |
| /re-run all-failed |
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| /re-run all-failed |
runzhech force-pushed the streams branch 2 times, most recently from e68294a to 7a0e2cb Compare 
zyfncg approved these changes Aug 7, 2025
| /re-run all-failed |
dynamicheart reviewed Aug 7, 2025
| } else { | ||
| impls_.push_back(std::make_unique<Impl>()); | ||
| impls_[0]->Init(get_gm_size(0), get_l3_size(0)); | ||
| stream_pool.push_back(impls_[0]->context_->get_stream()); |
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TODO：如果开启XPU_CDNN_CLUSTER_PARALLEL，则stream的相关接口就会有问题。
dynamicheart approved these changes Aug 7, 2025
| paddle::platform::GetXPUCurrentDeviceId(); | ||
| auto stream = paddle::platform::get_current_stream(device_id); | ||
| xpu_wait(stream); | ||
| xpu_wait(stream->raw_stream()); |
| if (context_->xpu_stream != nullptr && stream_owned_) { | ||
| void SetStream(void* stream, bool clear = true) { | ||
| if (clear && context_->xpu_stream != nullptr && stream_owned_) { | ||
| xpu_stream_destroy(context_->xpu_stream); |
| phi::backends::xpu::XPUDeviceGuard guard(dev_idx); | ||
| xpu_event_destroy(event); | ||
| if (xpu_event_query(event) == XPU_SUCCESS) { | ||
| xpu_event_destroy(event); |
Enigmatisms pushed a commit to Enigmatisms/Paddle that referenced this pull request Aug 9, 2025
* [XPU] support python streams api for xpu * [XPU] support python streams api for xpu * [XPU] add stream & event unittests
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PR Category
Custom Device
PR Types
New features
Description
支持python测调用xpu的stream、event等接口