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lijinf2lijinf2
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add docstring saying HANDLE_RETURN adds CUresult message into CUDAError so that the message is not swallowed by RuntimeError
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‎cuda_core/cuda/core/graph/_graph_builder.pyx‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -212,7 +212,8 @@ def _instantiate_graph(source, options: GraphCompleteOptions | None = None) -> G
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h_exec = create_graph_exec_handle(h_graph, &params)
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status = get_last_error()
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if params.result_out == driver.CUgraphInstantiateResult.CUDA_GRAPH_INSTANTIATE_ERROR:
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# HANDLE_RETURN raises CUDAError when status is not CUDA_SUCCESS.
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# HANDLE_RETURN raises CUDAError with the CUresult name and message (e.g. CUDA_ERROR_INVALID_VALUE)
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# when status is not CUDA_SUCCESS.
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HANDLE_RETURN(status)
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raise RuntimeError(
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"Instantiation failed for an unexpected reason which is described in the return value of the function."

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