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diff -crB libsvm-324/Makefile libsvm-324-openmp/Makefile
*** libsvm-324/Makefile 2019-09-10 21:05:26.000000000 +0200
--- libsvm-324-openmp/Makefile 2020-02-26 19:47:32.436432315 +0100
***************
*** 1,5 ****
CXX ?= g++
! CFLAGS = -Wall -Wconversion -O3 -fPIC
SHVER = 2
OS = $(shell uname)
--- 1,5 ----
CXX ?= g++
! CFLAGS = -Wall -Wconversion -O3 -fPIC -fopenmp
SHVER = 2
OS = $(shell uname)
diff -crB libsvm-324/svm.cpp libsvm-324-openmp/svm.cpp
*** libsvm-324/svm.cpp 2019-09-10 21:05:26.000000000 +0200
--- libsvm-324-openmp/svm.cpp 2020-02-26 19:51:54.833093991 +0100
***************
*** 1282,1287 ****
--- 1282,1288 ----
int start, j;
if((start = cache->get_data(i,&data,len)) < len)
{
+ #pragma omp parallel for private(j) schedule(guided)
for(j=start;j<len;j++)
data[j] = (Qfloat)(y[i]*y[j]*(this->*kernel_function)(i,j));
}
***************
*** 1331,1336 ****
--- 1332,1338 ----
int start, j;
if((start = cache->get_data(i,&data,len)) < len)
{
+ #pragma omp parallel for private(j) schedule(guided)
for(j=start;j<len;j++)
data[j] = (Qfloat)(this->*kernel_function)(i,j);
}
***************
*** 2507,2512 ****
--- 2509,2515 ----
{
double *sv_coef = model->sv_coef[0];
double sum = 0;
+ #pragma omp parallel for private(i) reduction(+:sum) schedule(guided)
for(i=0;i<model->l;i++)
sum += sv_coef[i] * Kernel::k_function(x,model->SV[i],model->param);
sum -= model->rho[0];
***************
*** 2523,2528 ****
--- 2526,2532 ----
int l = model->l;
double *kvalue = Malloc(double,l);
+ #pragma omp parallel for private(i) schedule(guided)
for(i=0;i<l;i++)
kvalue[i] = Kernel::k_function(x,model->SV[i],model->param);
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