immaTensorCoreGemm -maxrregcount=255 cudaMallocManaged cudaDeviceSynchronize cudaFuncSetAttribute cudaEventCreate cudaEventRecord cudaEventSynchronize cudaEventElapsedTime cudaFree whole ./ ../ ../../Common Matrix Multiply WMMA Tensor Cores true immaTensorCoreGemm.cu 1:CUDA Basic Topics sm72 sm75 sm80 sm86 x86_64 linux aarch64 windows7 ppc64le linux 7.2 exe