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author | Yann Herklotz <git@yannherklotz.com> | 2020-08-13 23:24:40 +0100 |
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committer | Yann Herklotz <git@yannherklotz.com> | 2020-08-13 23:24:40 +0100 |
commit | 045c0dc29fc31a8d3f15da8b3130dbc4706ea581 (patch) | |
tree | 56e9eb2ec6c318648e47c43d6b8abb2458ae236e /benchmarks/polybench-syn/linear-algebra/blas/syr2k.c | |
parent | 3971466fbdd9aa1883a4468de3d67fdf90fee02d (diff) | |
download | vericert-045c0dc29fc31a8d3f15da8b3130dbc4706ea581.tar.gz vericert-045c0dc29fc31a8d3f15da8b3130dbc4706ea581.zip |
Add modified polybench benchmarks
Diffstat (limited to 'benchmarks/polybench-syn/linear-algebra/blas/syr2k.c')
-rw-r--r-- | benchmarks/polybench-syn/linear-algebra/blas/syr2k.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/benchmarks/polybench-syn/linear-algebra/blas/syr2k.c b/benchmarks/polybench-syn/linear-algebra/blas/syr2k.c new file mode 100644 index 0000000..82b4d3b --- /dev/null +++ b/benchmarks/polybench-syn/linear-algebra/blas/syr2k.c @@ -0,0 +1,120 @@ +/** + * 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 + */ +/* syr2k.c: this file is part of PolyBench/C */ + + +#define plus(i) i = i + ONE +static +void init_array(int n, int m, + int *alpha, + int *beta, + int C[ 30 + 0][30 + 0], + int A[ 30 + 0][20 + 0], + int B[ 30 + 0][20 + 0]) +{ + int i, j; + int ONE = 1; + + *alpha = 3; + *beta = 2; + for (i = 0; i < n; plus(i)) + for (j = 0; j < m; plus(j)) { + A[i][j] = (int) ((i*j+ONE)%n) / n; + B[i][j] = (int) ((i*j+ONE+ONE)%m) / m; + } + for (i = 0; i < n; plus(i)) + for (j = 0; j < n; plus(j)) { + C[i][j] = (int) ((i*j+4-ONE)%n) / m; + } +} + + + + +static +int print_array(int n, + int C[ 30 + 0][30 + 0]) +{ + int i, j; + int ONE = 1; + int res = 0; + + for (i = 0; i < n; plus(i)) + for (j = 0; j < n; plus(j)) { + res ^= C[i][j]; + } + return res; +} + + +static +void kernel_syr2k(int n, int m, + int alpha, + int beta, + int C[ 30 + 0][30 + 0], + int A[ 30 + 0][20 + 0], + int B[ 30 + 0][20 + 0]) +{ + int i, j, k; + int ONE = 1; + +#pragma scop + for (i = 0; i < n; plus(i)) { + for (j = 0; j <= i; plus(j)) + C[i][j] *= beta; + for (k = 0; k < m; plus(k)) + for (j = 0; j <= i; plus(j)) + { + C[i][j] += A[j][k]*alpha*B[i][k] + B[j][k]*alpha*A[i][k]; + } + } +#pragma endscop + +} + + +int main() +{ + + int n = 30; + int m = 20; + + + int alpha; + int beta; + int C[30 + 0][30 + 0]; + int A[30 + 0][20 + 0]; + int B[30 + 0][20 + 0]; + + + init_array (n, m, &alpha, &beta, + C, + A, + B); + + + ; + + + kernel_syr2k (n, m, + alpha, beta, + C, + A, + B); + + + ; + ; + + + + return print_array(n, C); + +} |