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[SYCL][CUDA] Bounds check on kernel launch #1178

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Merged
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Feb 27, 2020
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[SYCL][CUDA] Bounds check on kernel launch #1178

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13 changes: 13 additions & 0 deletions sycl/plugins/cuda/pi_cuda.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1788,6 +1788,19 @@ pi_result cuda_piEnqueueKernelLaunch(
}
}

size_t maxThreadsPerBlock[3] = {};
retError = cuda_piDeviceGetInfo(command_queue->device_,
PI_DEVICE_INFO_MAX_WORK_ITEM_SIZES,
sizeof(maxThreadsPerBlock),
maxThreadsPerBlock, nullptr);
assert(retError == PI_SUCCESS);

for (size_t i = 0; i < work_dim; i++) {
if(size_t(threadsPerBlock[i]) > maxThreadsPerBlock[i]) {
return PI_INVALID_WORK_GROUP_SIZE;
}
}

int blocksPerGrid[3] = { 1, 1, 1 };

for (size_t i = 0; i < work_dim; i++) {
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