#include <pthread.h>
#include <sys/processor.h>
#include <time.h>
#include<unistd.h>
using namespace std;
#define NUM_OF_THREADS 20
struct ABCDEF {
char A[1024];
char B[1024];
};
void bindnow()
{
  processorid_t proc = getcpuid();
  if (processor_bind(P_LWPID, P_MYID, proc, 0))
    { printf("Warning: Binding failed\n"); }
  else
    { printf("Bound to CPU %i\n", proc); }
}
 
void *start_func(void *)
{
    long long i = 6000000;
    //bindnow();
    while(i--)
    {
                ABCDEF*             sdf = new ABCDEF;
                delete sdf;
                sdf = NULL;
    }
    return NULL;
}
int main(int argc, char* argv[])
{
    pthread_t tid[50];
    struct timespec tps, tpe;
 if ((clock_gettime(CLOCK_REALTIME, &tps) != 0)  || (clock_gettime(CLOCK_REALTIME, &tpe) != 0)) {
  perror("clock_gettime");
    return -1;
  }
    bindnow();
    for(int i=0; i<NUM_OF_THREADS; i++)
    {
                pthread_create(&tid[i], NULL, start_func, NULL);
                cout<<"Creating thread " << i <<endl;
    }
     
    for(int i=0; i<NUM_OF_THREADS; i++)
    {
                pthread_join(tid[i], NULL);
                cout<<"Waiting for thread " << i <<endl;
    }
 clock_gettime(CLOCK_REALTIME, &tpe);
  printf("%lu s, %lu ns\n", tpe.tv_sec-tps.tv_sec,
    tpe.tv_nsec-tps.tv_nsec);
}

[root]kansparc54144:/ /usr/sfw/bin/g++ -g -Wno-deprecated ss2.cpp -lpthread -lrt -o ss2
[root]kansparc54144:/ ./ss2
Bound to CPU 64
Creating thread 0
Creating thread 1
Creating thread 2
Creating thread 3
Creating thread 4
Creating thread 5
Creating thread 6
Creating thread 7
Creating thread 8
Creating thread 9
Creating thread 10
Creating thread 11
Creating thread 12
Creating thread 13
Creating thread 14
Creating thread 15
Creating thread 16
Creating thread 17
Creating thread 18
Creating thread 19
start_funcWaiting for thread 0
Waiting for thread 1
Waiting for thread 2
Waiting for thread 3
Waiting for thread 4
Waiting for thread 5
Waiting for thread 6
Waiting for thread 7
Waiting for thread 8
Waiting for thread 9
Waiting for thread 10
Waiting for thread 11
Waiting for thread 12
Waiting for thread 13
Waiting for thread 14
Waiting for thread 15
Waiting for thread 16
Waiting for thread 17
Waiting for thread 18
Waiting for thread 19
107 s, 416364341 ns

void *start_func(void *)
{
    long long i = 6000000;
    bindnow();
    while(i--)
    {
                ABCDEF*             sdf = new ABCDEF;
                delete sdf;
                sdf = NULL;
    }
    return NULL;
}
int main(int argc, char* argv[])
{
    pthread_t tid[50];
    struct timespec tps, tpe;
 if ((clock_gettime(CLOCK_REALTIME, &tps) != 0)  || (clock_gettime(CLOCK_REALTIME, &tpe) != 0)) {
  perror("clock_gettime");
    return -1;
  }
    //bindnow();
    for(int i=0; i<NUM_OF_THREADS; i++)
    {
                pthread_create(&tid[i], NULL, start_func, NULL);
                cout<<"Creating thread " << i <<endl;
    }
    ...

root]kansparc54144:/ /usr/sfw/bin/g++ -g -Wno-deprecated ss2.cpp -lpthread -lrt -o ss2
[root]kansparc54144:/ ./ss2
Creating thread Bound to CPU 64
0
Creating thread 1
Bound to CPU 192
Creating thread 2
Bound to CPU 0
Creating thread Bound to CPU 129
3
Creating thread 4
Bound to CPU 211
Creating thread 5
Bound to CPU 101
Creating thread 6
Bound to CPU 19
Creating thread 7
Bound to CPU 142
Creating thread 8
Bound to CPU 192
Creating thread 9
Bound to CPU 110
Creating thread 10
Bound to CPU 0
Creating thread 11
Bound to CPU 147
Creating thread 12
Bound to CPU 229
Creating thread 13
Bound to CPU 119
Creating thread 14
Bound to CPU 9
Creating thread 15
Bound to CPU 147
Creating thread 16
Bound to CPU 101
Creating thread 17
Bound to CPU 247
Creating thread 18
Bound to CPU 19
Creating thread 19
Bound to CPU 147
Waiting for thread 0
Waiting for thread 1
Waiting for thread 2
Waiting for thread 3
Waiting for thread 4
Waiting for thread 5
Waiting for thread 6
Waiting for thread 7
Waiting for thread 8
Waiting for thread 9
Waiting for thread 10
Waiting for thread 11
Waiting for thread 12
Waiting for thread 13
Waiting for thread 14
Waiting for thread 15
Waiting for thread 16
Waiting for thread 17
Waiting for thread 18
Waiting for thread 19
486 s, 3873742799 ns