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/**
* 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
*/
/* 2mm.c: this file is part of PolyBench/C */
#ifndef SYNTHESIS
#include <stdio.h>
#endif
#define plus(i) i = i + ONE
static
void init_array(int ni, int nj, int nk, int nl,
int *alpha,
int *beta,
int A[ 16 + 0][22 + 0],
int B[ 22 + 0][18 + 0],
int C[ 18 + 0][24 + 0],
int D[ 16 + 0][24 + 0])
{
int i, j;
int ONE = 1;
*alpha = 2;
*beta = 2;
for (i = 0; i < ni; plus(i))
for (j = 0; j < nk; plus(j))
A[i][j] = (int) (((i*j+ONE) % ni) / ni);
for (i = 0; i < nk; plus(i))
for (j = 0; j < nj; plus(j))
B[i][j] = (int) (((i*(j+ONE)) % nj) / nj);
for (i = 0; i < nj; plus(i))
for (j = 0; j < nl; plus(j))
C[i][j] = (int) (((i*(j+ONE+ONE+ONE)+ONE) % nl) / nl);
for (i = 0; i < ni; plus(i))
for (j = 0; j < nl; plus(j))
D[i][j] = (int) (((i*(j+ONE+ONE)) % nk) / nk);
}
static
int print_array(int ni, int nl,
int D[ 16 + 0][24 + 0])
{
int i, j;
int ONE = 1;
int res = 0;
for (i = 0; i < ni; plus(i))
for (j = 0; j < nl; plus(j)) {
res ^= D[i][j];
}
#ifndef SYNTHESIS
printf("finished %u\n", res);
#endif
return res;
}
static
void kernel_2mm(int ni, int nj, int nk, int nl,
int alpha,
int beta,
int tmp[ 16 + 0][18 + 0],
int A[ 16 + 0][22 + 0],
int B[ 22 + 0][18 + 0],
int C[ 18 + 0][24 + 0],
int D[ 16 + 0][24 + 0])
{
int ONE = 1;
int i, j, k;
for (i = 0; i < ni; plus(i))
for (j = 0; j < nj; plus(j))
{
tmp[i][j] = 0;
for (k = 0; k < nk; plus(k))
tmp[i][j] += alpha * A[i][k] * B[k][j];
}
for (i = 0; i < ni; plus(i))
for (j = 0; j < nl; plus(j))
{
D[i][j] *= beta;
for (k = 0; k < nj; plus(k))
D[i][j] += tmp[i][k] * C[k][j];
}
}
int main()
{
int ni = 16;
int nj = 18;
int nk = 22;
int nl = 24;
int alpha;
int beta;
int tmp[16 + 0][18 + 0];
int A[16 + 0][22 + 0];
int B[22 + 0][18 + 0];
int C[18 + 0][24 + 0];
int D[16 + 0][24 + 0];
init_array (ni, nj, nk, nl, &alpha, &beta,
A,
B,
C,
D);
kernel_2mm (ni, nj, nk, nl,
alpha, beta,
tmp,
A,
B,
C,
D);
return print_array(ni, nl, D);
}
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