OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgomp/] [testsuite/] [libgomp.c++/] [sections-1.C] - Blame information for rev 735

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 735 jeremybenn
/******************************************************************************
2
* FILE: omp_workshare2.c
3
* DESCRIPTION:
4
*   OpenMP Example - Sections Work-sharing - C/C++ Version
5
*   In this example, the OpenMP SECTION directive is used to assign
6
*   different array operations to threads that execute a SECTION. Each
7
*   thread receives its own copy of the result array to work with.
8
* AUTHOR: Blaise Barney  5/99
9
* LAST REVISED: 04/06/05
10
******************************************************************************/
11
#include 
12
#include 
13
#include 
14
#define N     50
15
 
16
int main (int argc, char *argv[]) {
17
 
18
int i, nthreads, tid;
19
float a[N], b[N], c[N];
20
 
21
/* Some initializations */
22
for (i=0; i
23
  a[i] = b[i] = i * 1.0;
24
 
25
#pragma omp parallel shared(a,b,nthreads) private(c,i,tid)
26
  {
27
  tid = omp_get_thread_num();
28
  if (tid == 0)
29
    {
30
    nthreads = omp_get_num_threads();
31
    printf("Number of threads = %d\n", nthreads);
32
    }
33
  printf("Thread %d starting...\n",tid);
34
 
35
  #pragma omp sections nowait
36
    {
37
    #pragma omp section
38
      {
39
      printf("Thread %d doing section 1\n",tid);
40
      for (i=0; i
41
        {
42
        c[i] = a[i] + b[i];
43
        printf("Thread %d: c[%d]= %f\n",tid,i,c[i]);
44
        }
45
      }
46
 
47
    #pragma omp section
48
      {
49
      printf("Thread %d doing section 2\n",tid);
50
      for (i=0; i
51
        {
52
        c[i] = a[i] * b[i];
53
        printf("Thread %d: c[%d]= %f\n",tid,i,c[i]);
54
        }
55
      }
56
 
57
    }  /* end of sections */
58
 
59
    printf("Thread %d done.\n",tid);
60
 
61
  }  /* end of parallel section */
62
 
63
  return 0;
64
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.