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[blas][rocblas] Take the HIP stream from the interop handle #765

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[blas][rocblas] Take the HIP stream from the interop handle #765

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5 changes: 4 additions & 1 deletion src/blas/backends/rocblas/rocblas_scope_handle.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,10 @@ rocblas_handle RocblasScopedContextHandler::get_handle(const sycl::queue& queue)
}

hipStream_t RocblasScopedContextHandler::get_stream(const sycl::queue& queue) {
return sycl::get_native<sycl::backend::ext_oneapi_hip>(queue);
// The stream must come from the interop handle rather than from the queue:
// a queue owns a pool of streams and only the one the command was scheduled
// on is tracked by the SYCL event that gates this command's completion.
return interop_h.get_native_queue<sycl::backend::ext_oneapi_hip>();
}
sycl::context RocblasScopedContextHandler::get_context(const sycl::queue& queue) {
return queue.get_context();
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