CUDA TIPS and FAQ

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Topic 4: 並列化 (loop)__global__void loopMemcpyKernel(int *dDst, const int *dSrc,size_t size, size_t loopCount) {/* Global IDを算出 */int globalID = blockDim.x * blockIdx.x + threadIdx.x;unsigned int begin = gid * loopCount;unsigned int end = min((gid + 1) * loopCount, size);}for (unsigned int index = begin; index < end; ++index) {dDst[index] = dSrc[index];}
バンド幅 (GB/sec)Topic 4: ベンチマーク結果200150Spec : 208 GB/secCoalesced Access : 146 GB/sec• Tesla K20cECC off100ループによるコピー5001 8 64 512 4096スレッドあたりのループ回数
Page 1 and 2: CUDA TIPS and FAQGTC 2013 チュー
Page 3 and 4: Topic 1: Compute Capability• GPU
Page 5 and 6: Topic 2: 開発・デバッグ
Page 7 and 8: Topic 2: 開発・デバッグ
Page 9 and 10: Topic 3: ホストコンパイラ
Page 15 and 16: Topic 4: 並列化 (Coalesced Acc
Page 17: Topic 4: ループによる実装
Page 21 and 22: Topic 4: 並列化• スレッ
Page 23 and 24: バンド幅 (GB/sec)Topic 4: ベ
Page 25 and 26: NVIDIA Japan CUDA Monthly Seminar

CUDA TIPS and FAQ

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