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Diffstat (limited to 'benchmarks/polybench-syn/linear-algebra/kernels/mvt.c')
-rw-r--r-- | benchmarks/polybench-syn/linear-algebra/kernels/mvt.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/benchmarks/polybench-syn/linear-algebra/kernels/mvt.c b/benchmarks/polybench-syn/linear-algebra/kernels/mvt.c new file mode 100644 index 0000000..aa68b1c --- /dev/null +++ b/benchmarks/polybench-syn/linear-algebra/kernels/mvt.c @@ -0,0 +1,117 @@ +/** + * This version is stamped on May 10, 2016 + * + * Contact: + * Louis-Noel Pouchet <pouchet.ohio-state.edu> + * Tomofumi Yuki <tomofumi.yuki.fr> + * + * Web address: http://polybench.sourceforge.net + */ +/* mvt.c: this file is part of PolyBench/C */ + +#define plus(i) i = i + ONE + +static +void init_array(int n, + int x1[ 40 + 0], + int x2[ 40 + 0], + int y_1[ 40 + 0], + int y_2[ 40 + 0], + int A[ 40 + 0][40 + 0]) +{ + int i, j; + int ONE = 1; + int THREE = 3; + + for (i = 0; i < n; plus(i)) + { + x1[i] = (int) (i % n) / n; + x2[i] = (int) ((i + ONE) % n) / n; + y_1[i] = (int) ((i + THREE) % n) / n; + y_2[i] = (int) ((i + 4) % n) / n; + for (j = 0; j < n; plus(j)) + A[i][j] = (int) (i*j % n) / n; + } +} + + + + +static +int print_array(int n, + int x1[ 40 + 0], + int x2[ 40 + 0]) + +{ + int i; + int ONE = 1; + int res = 0; + + for (i = 0; i < n; plus(i)) { + res ^= x1[i]; + } + + for (i = 0; i < n; plus(i)) { + res ^= x2[i]; + } + return res; +} + + + + +static +void kernel_mvt(int n, + int x1[ 40 + 0], + int x2[ 40 + 0], + int y_1[ 40 + 0], + int y_2[ 40 + 0], + int A[ 40 + 0][40 + 0]) +{ + int i, j; + int ONE = 1; + +#pragma scop + for (i = 0; i < n; plus(i)) + for (j = 0; j < n; plus(j)) + x1[i] = x1[i] + A[i][j] * y_1[j]; + for (i = 0; i < n; plus(i)) + for (j = 0; j < n; plus(j)) + x2[i] = x2[i] + A[j][i] * y_2[j]; +#pragma endscop + +} + + +int main() +{ + + int n = 40; + + + int A[40 + 0][40 + 0]; + int x1[40 + 0]; + int x2[40 + 0]; + int y_1[40 + 0]; + int y_2[40 + 0]; + + + + init_array (n, + x1, + x2, + y_1, + y_2, + A); + + + kernel_mvt (n, + x1, + x2, + y_1, + y_2, + A); + + return print_array(n, x1, x2); + +} |