Comments (2)
I pushed a number of bug fixes today. One or two of them are probably related to your problem. Is this what you were trying to accomplish (try this code)?
#include <host_stdio.h>
#include <shmem.h>
int main(void)
{
int i, j;
shmem_init();
int my_pe = shmem_my_pe();
int n_pes = shmem_n_pes();
// vector for broadcast. This is one SHMEM way to put memory at address 0x5000
int* rk = (int*) shmem_align(0x5000, n_pes*sizeof(int));
// init vector value for every core
for (i = 0; i < n_pes; i++) {
rk[i] = (my_pe == i) ? i : 88;
}
shmem_barrier_all();
// broadcast use shmem_put32() $# can't get crrect answer for all core's rk array
for (j = 0; j < n_pes; j++) {
if (my_pe == j) {
for (i = 0; i < n_pes; i++) {
if (i != j) shmem_put32(&rk[j], &rk[j], 1, i);
}
}
}
phost_printf("%2d: %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d\n", my_pe,
rk[0],rk[1],rk[2],rk[3],rk[4],rk[5],rk[6],rk[7],
rk[8],rk[9],rk[10],rk[11],rk[12],rk[13],rk[14],rk[15]);
shmem_barrier_all();
shmem_finalize();
}
Running this with coprsh -np 16
yields:
0: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
1: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
2: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
3: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
4: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
5: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
6: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
7: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
8: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
9: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
10: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
11: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
12: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
13: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
14: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
15: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
You should consider using shmem_broadcast32
. There is an example in the test code directory.
Good luck~
from openshmem-epiphany.
It worked! Thank you for your reply!
from openshmem-epiphany.
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