1], threads_per_grid_y): s_thread += array2d[i0, i1] # Allocate shared array s_block = cuda.shared.array(shared_array_len, numba.float32) # Index the threads linearly: each tid identifies a unique thread in the # 2D grid. tid = cuda.threadIdx.x + cuda.block...
template<int order> struct BuildBasisFuncFunctor { inline CUDA_CALLABLE BuildBasisFuncFunctor(const grid_t<Interval> &grid, CudaTensorView1<CudaStdArray<float, PolyInfo<Interval, order>::n_unknown>> poly_constants) { size = grid.size; output = poly_constants; } template<typename Index> inline...
std::cerr << "cudaGetDeviceProperties returned " << static_cast<int>(error) << ": " << cudaGetErrorString(error) << std::endl; return 1; } std::cout << "Device " << device << ": " << deviceProp.name << std::endl; std::cout << " asyncEngineCount: " << deviceProp.a...
glBindVertexArray(this->VAO); // 绑定VBO后即在CUDA中注册Buffer Object glBindBuffer(GL_ARRAY_BUFFER, this->VBO[0]); glBufferData(GL_ARRAY_BUFFER, sizeof(*this->malla)*this->numPoints, this->malla, GL_DYNAMIC_COPY); cudaGraphicsGLRegisterBuffer(&this->cudaResourceBuf[0], this->VBO[0]...
timing_cpu*=1e3# convert to msprint(f"Elapsed time CPU: {timing_cpu.mean():.0f} ± {timing_cpu.std():.0f} ms")# Elapsed timeCPU:354±24ms dev_a=cuda.to_device(a)dev_partial_reduction=cuda.device_array((blocks_per_grid,),dtype=a.dtype)reduce_naive[blocks_per_grid,threads_per...
std::string error_message;// Add vectors in parallel.cudaError_t cuda_status =addWithCuda(c, a, b, arraySize, &error_message);if(cuda_status != cudaSuccess) {UE_LOG(LogTemp, Warning,TEXT("addWithCuda failed!\n"));UE_LOG(LogTemp, Warning,TEXT("%s"), *FString(error_message.c_st...
}intmain(){constintarraySize =5;constinta[arraySize] = {1,2,3,4,5};constintb[arraySize] = {10,20,30,40,50};intc[arraySize] = {0};// Add vectors in parallel.cudaError_t cudaStatus =addWithCuda(c, a, b, arraySize);if(cudaStatus != cudaSuccess) {fprintf(stderr,"addWithCu...
CUDA Runtime 27 CUDA C++ Programming Guide, Release 12.9 array elements in device code: ∕∕ Host code int width = 64, height = 64; float* devPtr; size_t pitch; cudaMallocPitch(&devPtr, &pitch, width * sizeof(float), height); MyKernel<<<100, 512>>>(devPtr, pitch, width, ...
std::array<int, Size> hMem = {0, 1, 2, 10, 4, 5, 6, 7}; cudaMemcpy(d_mem, hMem.data(), size, cudaMemcpyHostToDevice); oobAccess<<<10, Size>>>(d_in, d_out); cudaDeviceSynchronize(); ... $ /usr/local/cuda-11.0/Sanitizer/compute-sanitizer --destroy-on-device-error ke...
//Out-of-bounds Array Access __global__ void oobAccess(int* in, int* out) { int bid = blockIdx.x; int tid = threadIdx.x; if (bid == 4) { out[tid] = in[dMem[tid]]; } } int main() { ... // Array of 8 elements, where element 4 causes the OOB std::array<int, Si...