matrix copy

#include <cuda_runtime.h> #include <stdio.h> #include <iostream> __global__ void copy_matrix_kernel ( const float * A, float * B, int N) { int idx = blockDim.x * blockIdx.x + threadIdx.x; if (idx < N){ B[idx] = A[idx]; } } // A, B are device pointers (i.e. pointers to memory on the GPU) extern "C" void solve( const float * A, float * B, int N) { int total = N * N; int threadsPerBlock = 256 ; int…