Files
gentoo/sci-libs/libsvm/files/libsvm-3.25-openmp.patch
2022-05-14 23:30:24 +02:00

35 lines
864 B
Diff

--- a/svm.cpp
+++ b/svm.cpp
@@ -1282,6 +1282,9 @@
int start, j;
if((start = cache->get_data(i,&data,len)) < len)
{
+#ifdef OPENMP
+#pragma omp parallel for private(j)
+#endif
for(j=start;j<len;j++)
data[j] = (Qfloat)(y[i]*y[j]*(this->*kernel_function)(i,j));
}
@@ -2506,7 +2509,10 @@
model->param.svm_type == NU_SVR)
{
double *sv_coef = model->sv_coef[0];
- double sum = 0;
+ double sum = 0; int i;
+#ifdef OPENMP
+#pragma omp parallel for private(i) reduction(+:sum)
+#endif
for(i=0;i<model->l;i++)
sum += sv_coef[i] * Kernel::k_function(x,model->SV[i],model->param);
sum -= model->rho[0];
@@ -2523,6 +2529,9 @@
int l = model->l;
double *kvalue = Malloc(double,l);
+#ifdef OPENMP
+#pragma omp parallel for private(i)
+#endif
for(i=0;i<l;i++)
kvalue[i] = Kernel::k_function(x,model->SV[i],model->param);