From d537de7deffa6036dab573ff174b7f8c8e470437 Mon Sep 17 00:00:00 2001 From: Henry Cook Date: Thu, 6 Nov 2014 17:24:39 -0800 Subject: Clean up canonical mt benchmarks and reorganize extra versions in /mt. All versions support support at least 1/2/4 threads. --- mt/cs_matmul.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 mt/cs_matmul.c (limited to 'mt/cs_matmul.c') diff --git a/mt/cs_matmul.c b/mt/cs_matmul.c new file mode 100644 index 0000000..858b05e --- /dev/null +++ b/mt/cs_matmul.c @@ -0,0 +1,24 @@ +#include "stdlib.h" + +#include "util.h" + +#include "dataset.h" +void __attribute__((noinline)) matmul(const int coreid, const int ncores, const int lda, const data_t A[], const data_t B[], data_t C[] ) +{ + int i, j, k, n, m, c1, c2; + for ( j = coreid; j < lda; j += 2*ncores ) { + for ( i = 0; i < lda; i += 1 ){ + c1 = 0; //global vars c1, c2 + c2 = 0; + for ( k = 0; k < lda; k += 1 ) { + c1 += A[j * lda + k] * B[k*lda + i]; + c2 += A[(j+ncores) * lda + k] * B[k*lda + i]; + } + + C[i + j * lda] = c1; + C[i + (j+ncores) * lda] = c2; + barrier(ncores); + } + } + +} -- cgit v1.1