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[Serving][backend]serving support multi stream and backend support external stream (#431)

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* serving support multi stream

* pybind add external stream

Co-authored-by: Jason <jiangjiajun@baidu.com>
This commit is contained in:
heliqi
2022-10-26 14:46:13 +08:00
committed by GitHub
parent 718698a32a
commit b064ddf7ed
10 changed files with 32 additions and 5 deletions
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6
fastdeploy/backends/tensorrt/trt_backend.cc
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@@ -258,8 +258,12 @@ bool TrtBackend::InitFromOnnx(const std::string& model_file,
ReaderDtypeToTrtDtype(onnx_reader.outputs[i].dtype);
}
FDASSERT(cudaStreamCreate(&stream_) == 0,
if (option_.external_stream_) {
stream_ = reinterpret_cast<cudaStream_t>(option_.external_stream_);
} else {
FDASSERT(cudaStreamCreate(&stream_) == 0,
"[ERROR] Error occurs while calling cudaStreamCreate().");
}
if (!CreateTrtEngineFromOnnx(onnx_content)) {
FDERROR << "Failed to create tensorrt engine." << std::endl;