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File indexing completed on 2026-04-09 07:49:26
0001 #pragma once 0002 0003 /** 0004 NP_future.h 0005 ============ 0006 0007 General pattern of async functions:: 0008 0009 // Inside every async function: 0010 cudaStreamWaitEvent(my_stream, input.ready, 0); // consume input 0011 // ... do work ... 0012 cudaEventRecord(output.ready, my_stream); // produce output 0013 cudaEventDestroy(input.ready); // safe cleanup 0014 return output; // ONE event 0015 0016 0017 **/ 0018 0019 0020 0021 struct NP_future 0022 { 0023 NP* arr = nullptr; 0024 cudaEvent_t ready = nullptr; 0025 0026 void wait(cudaStream_t stream) const; 0027 }; 0028 0029 inline void NP_future::wait(cudaStream_t stream) const 0030 { 0031 if (ready && stream) { 0032 cudaStreamWaitEvent(stream, ready, 0); 0033 } 0034 } 0035 0036 0037 0038
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