omp.h unable to access all processors.

[covert glade]

Hi!

I'm running a pod with 8 vCPUs, but it seems like omp.h can only access 1 of them while thread can access all of them.

For example,

#include <omp.h>
#include <thread>
#include <iostream>
using namespace std;

int main(){
  cout << omp_get_max_threads() << endl;
  cout << thread::hardware_concurrency() << endl;
}

will print out
1
9

[rancid fjord]

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[frosty frigate]

Set the Environment Variable:
Before running your program, set OMP_NUM_THREADS to match the number of logical cores:

export OMP_NUM_THREADS=9```

or try

    omp_set_num_threads(omp_get_num_procs()); // Set OpenMP 

[covert glade]

omp_get_num_procs()

also returns 1 for me

i was just wondering if the restriction on nproc could be somehow affecting omp

[frosty frigate]

try to open a ticket for asking this im not sure about the program you're using

[covert glade]

ok thanks!

[radiant hollow]

looks like cpu pod limitations

[covert glade]

is there a way to multithread with omp on a cpu pod then?

I cant seem to utilize more than one core at a time

[radiant hollow]

I suspect might be not. I was able to get it work on gpu though

[covert glade]

ah thats unfortunate