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update aat action to do a syrk operation, and remove (comment) ata action

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This commit is contained in:
Gael Guennebaud
2011-03-23 10:02:00 +01:00
parent da3f3586e0
commit 9cca79f5ca
11 changed files with 53 additions and 46 deletions
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33
bench/btl/libs/STL/STL_interface.hh
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@@ -78,18 +78,18 @@ public :
cible[i][j]=source[i][j];
}
static inline void ata_product(const gene_matrix & A, gene_matrix & X, int N)
{
real somme;
for (int j=0;j<N;j++){
for (int i=0;i<N;i++){
somme=0.0;
for (int k=0;k<N;k++)
somme += A[i][k]*A[j][k];
X[j][i]=somme;
}
}
}
// static inline void ata_product(const gene_matrix & A, gene_matrix & X, int N)
// {
// real somme;
// for (int j=0;j<N;j++){
// for (int i=0;i<N;i++){
// somme=0.0;
// for (int k=0;k<N;k++)
// somme += A[i][k]*A[j][k];
// X[j][i]=somme;
// }
// }
// }
static inline void aat_product(const gene_matrix & A, gene_matrix & X, int N)
{
@@ -97,10 +97,13 @@ public :
for (int j=0;j<N;j++){
for (int i=0;i<N;i++){
somme=0.0;
for (int k=0;k<N;k++){
somme+=A[k][i]*A[k][j];
if(i>=j)
{
for (int k=0;k<N;k++){
somme+=A[k][i]*A[k][j];
}
X[j][i]=somme;
}
X[j][i]=somme;
}
}
}