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#if HAVE_CONFIG_H
# include "config.h"
#endif
#if HAVE_STDIO_H
# include <stdio.h>
#endif
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
#include "armci.h"
#include "message.h"
int me, nproc;
#define LOOP 20
void time_gop(double *test, int len)
{
int i;
double t;
t = armci_timer();
for (i = 0; i < LOOP; i++) {
armci_msg_dgop(test, len, "+");
}
t = armci_timer() - t;
t /= LOOP;
if (me == 0) {
printf("Time per gop %f len=%d doubles\n", t, len);
fflush(stdout);
}
}
void time_reduce(double *test, int len)
{
int i;
double t;
t = armci_timer();
for (i = 0; i < LOOP; i++) {
armci_msg_reduce(test, len, "+", ARMCI_DOUBLE);
}
t = armci_timer() - t;
t /= LOOP;
if (me == 0) {
printf("Time per reduce %f len=%d doubles\n", t, len);
fflush(stdout);
}
}
void TestGlobals()
{
#define MAXLENG 256*1024
double *dtest;
int *itest;
long *ltest;
int len;
int ifrom = nproc - 1, lfrom = 1, dfrom = 1;
if (me == 0) {
printf("Global test ... broadcast and reduction for int, long, double\n----------\n");
fflush(stdout);
}
if (!(dtest = (double *) malloc((unsigned)(MAXLENG * sizeof(double))))) {
ARMCI_Error("TestGlobals: failed to allocated dtest", MAXLENG);
}
if (!(ltest = (long *) malloc((unsigned)(MAXLENG * sizeof(long))))) {
ARMCI_Error("TestGlobals: failed to allocated ltest", MAXLENG);
}
if (!(itest = (int *) malloc((unsigned)(MAXLENG * sizeof(int))))) {
ARMCI_Error("TestGlobals: failed to allocated itest", MAXLENG);
}
for (len = 1; len < MAXLENG; len *= 2) {
int ilen = len * sizeof(int);
int dlen = len * sizeof(double);
int llen = len * sizeof(long);
int i;
ifrom = (ifrom + 1) % nproc;
lfrom = (lfrom + 1) % nproc;
dfrom = (lfrom + 1) % nproc;
#if 0
printf("%d:ifrom=%d lfrom=%d dfrom=%d\n", me, ifrom, lfrom, dfrom);
fflush(stdout);
#endif
if (me == 0) {
printf("Test length = %d ... ", len);
fflush(stdout);
}
if (me == ifrom)for (i = 0; i < len; i++) {
itest[i] = i;
}
else for (i = 0; i < len; i++) {
itest[i] = 0;
}
if (me == lfrom)for (i = 0; i < len; i++) {
ltest[i] = (long)i;
}
else for (i = 0; i < len; i++) {
ltest[i] = 0L;
}
if (me == dfrom)for (i = 0; i < len; i++) {
dtest[i] = (double)i;
}
else for (i = 0; i < len; i++) {
dtest[i] = 0.0;
}
/* Test broadcast */
armci_msg_brdcst(itest, ilen, ifrom);
armci_msg_brdcst(ltest, llen, lfrom);
armci_msg_brdcst(dtest, dlen, dfrom);
for (i = 0; i < len; i++) {
if (itest[i] != i) {
printf("int broadcast failed %d", itest[i]);
ARMCI_Error("int broadcast failed %d", itest[i]);
}
if (ltest[i] != (long)i) {
printf("long broadcast failed %ld", ltest[i]);
ARMCI_Error("long broadcast failed %ld", ltest[i]);
}
if (dtest[i] != (double)i) {
printf("double broadcast failed %f", dtest[i]);
ARMCI_Error("double broadcast failed %f", dtest[i]);
}
}
if (me == 0) {
printf("broadcast OK ...");
fflush(stdout);
}
/* Test global sum */
for (i = 0; i < len; i++) {
itest[i] = i * me;
ltest[i] = (long) itest[i];
dtest[i] = (double) itest[i];
}
armci_msg_igop(itest, len, "+");
armci_msg_lgop(ltest, len, "+");
armci_msg_dgop(dtest, len, "+");
for (i = 0; i < len; i++) {
int iresult = i * nproc * (nproc - 1) / 2;
if (itest[i] != iresult || ltest[i] != (long)iresult ||
dtest[i] != (double) iresult) {
ARMCI_Error("TestGlobals: global sum failed", (int) i);
}
}
if (me == 0) {
printf("global sums OK\n");
fflush(stdout);
}
}
/* now we get timing data */
time_gop(dtest, MAXLENG);
time_reduce(dtest, MAXLENG);
free((char *) itest);
free((char *) ltest);
free((char *) dtest);
}
int main(int argc, char **argv)
{
armci_msg_init(&argc, &argv);
/* initialize ARMCI */
ARMCI_Init_args(&argc, &argv);
me = armci_msg_me();
nproc = armci_msg_nproc();
if (nproc < 2) {
if (me == 0)
fprintf(stderr,
"USAGE: 2 <= processes < %d\n", nproc);
ARMCI_Barrier();
armci_msg_finalize();
exit(0);
}
if (me == 0) {
printf("Test of ARMCI Wrappers to Basic Message Passing Operations\n");
fflush(stdout);
}
ARMCI_Barrier();
TestGlobals();
/* done */
ARMCI_Finalize();
armci_msg_finalize();
return(0);
}
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