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author | ryokka |
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date | Wed, 12 Feb 2020 17:55:00 +0900 |
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int computeblockDim(int count, int maxThreadPerBlock) { return count < maxThreadPerBlock ? count : maxThreadPerBlock; } __code execCUDAExecutor(struct CUDAExecutor* executor, struct Context* task, __code next(...)) { // check data parallelism task if (task->iterate) { struct MultiDimIterator* iterator = &task->iterator->iterator->MultiDimIterator; // compute block thread size int blockDimX = computeblockDim(iterator->x, executor->maxThreadPerBlock); int blockDimY = computeblockDim(iterator->y, executor->maxThreadPerBlock); int blockDimZ = computeblockDim(iterator->z, executor->maxThreadPerBlock); checkCudaErrors(cuLaunchKernel(task->function, iterator->x/blockDimX, iterator->y/blockDimY, iterator->z/blockDimZ, blockDimX, blockDimY, blockDimZ, 0, NULL, (void**)executor->kernelParams, NULL)); } ... }