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#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[] )
{
// ***************************** //
// **** ADD YOUR CODE HERE ***** //
// ***************************** //
//
// feel free to make a separate function for MI and MSI versions.
if(coreid > 1) return;
int m, i, j, k, iB0, iB1;
data_t tempC0, tempC1, tempC2, tempC3, tempC4, tempC5, tempC6, tempC7;
data_t tempA0, tempA1;
if (coreid == 0){
for (m = 0; m < 2; m++){
for (j = 0; j < lda/2; j++){
for (i = 0; i < lda; i+=8){
tempC0 = C[i + j*lda];
tempC1 = C[i + j*lda+1];
tempC2 = C[i + j*lda+2];
tempC3 = C[i + j*lda+3];
tempC4 = C[i + j*lda+4];
tempC5 = C[i + j*lda+5];
tempC6 = C[i + j*lda+6];
tempC7 = C[i + j*lda+7];
iB0 = m*lda*lda/2+i;
iB1 = iB0+lda;
for (k = m*lda/2; k < (m+1)*lda/2; k+=2){
tempA0 = A[j*lda+k];
tempA1 = A[j*lda+k+1];
tempC0 += tempA0*B[iB0]+tempA1*B[iB1];
tempC1 += tempA0*B[iB0+1]+tempA1*B[iB1+1];
tempC2 += tempA0*B[iB0+2]+tempA1*B[iB1+2];
tempC3 += tempA0*B[iB0+3]+tempA1*B[iB1+3];
tempC4 += tempA0*B[iB0+4]+tempA1*B[iB1+4];
tempC5 += tempA0*B[iB0+5]+tempA1*B[iB1+5];
tempC6 += tempA0*B[iB0+6]+tempA1*B[iB1+6];
tempC7 += tempA0*B[iB0+7]+tempA1*B[iB1+7];
iB0 += 2*lda;
iB1 += 2*lda;
}
C[i + j*lda] = tempC0;
C[i + j*lda + 1] = tempC1;
C[i + j*lda + 2] = tempC2;
C[i + j*lda + 3] = tempC3;
C[i + j*lda + 4] = tempC4;
C[i + j*lda + 5] = tempC5;
C[i + j*lda + 6] = tempC6;
C[i + j*lda + 7] = tempC7;
}
}
}
}
if(coreid == 1 || ncores == 1) {
for (m = 2; m > 0; m--){
for (j = lda-1; j >= lda/2; j--){
for (i = lda-1; i >= 0; i-=8){
tempC0 = C[i + j*lda];
tempC1 = C[i + j*lda - 1];
tempC2 = C[i + j*lda - 2];
tempC3 = C[i + j*lda - 3];
tempC4 = C[i + j*lda - 4];
tempC5 = C[i + j*lda - 5];
tempC6 = C[i + j*lda - 6];
tempC7 = C[i + j*lda - 7];
for (k = m*lda/2-1; k >= (m-1)*lda/2; k-=2){
tempA0 = A[j*lda+k];
tempA1 = A[j*lda+k-1];
tempC0 += tempA0*B[k*lda+i]+tempA1*B[(k-1)*lda+i];
tempC1 += tempA0*B[k*lda+i-1]+tempA1*B[(k-1)*lda+i-1];
tempC2 += tempA0*B[k*lda+i-2]+tempA1*B[(k-1)*lda+i-2];
tempC3 += tempA0*B[k*lda+i-3]+tempA1*B[(k-1)*lda+i-3];
tempC4 += tempA0*B[k*lda+i-4]+tempA1*B[(k-1)*lda+i-4];
tempC5 += tempA0*B[k*lda+i-5]+tempA1*B[(k-1)*lda+i-5];
tempC6 += tempA0*B[k*lda+i-6]+tempA1*B[(k-1)*lda+i-6];
tempC7 += tempA0*B[k*lda+i-7]+tempA1*B[(k-1)*lda+i-7];
}
C[i + j*lda] = tempC0;
C[i + j*lda - 1] = tempC1;
C[i + j*lda - 2] = tempC2;
C[i + j*lda - 3] = tempC3;
C[i + j*lda - 4] = tempC4;
C[i + j*lda - 5] = tempC5;
C[i + j*lda - 6] = tempC6;
C[i + j*lda - 7] = tempC7;
}
}
}
}
}
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