modified:   makefile
	new file:   matmul.c
	new file:   matmul_acc.c
	new file:   matmul_dy_1d.c
	new file:   matmul_openacc.c
	modified:   laplace_openacc.c
	modified:   makefile
	renamed:    matmul_openacc.c -> mm_acc.c
	modified:   mm_acc.c
	modified:   makefile
	modified:   mm_acc.c # added comparison with openmp
	new file:   mm_omp.c