#include <stdio.h>
#include <stdlib.h>
#include "mpitest.h"
+#include "mpicolltest.h"
/*
static char MTEST_Descrip[] = "Simple intercomm allgather test";
*/
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
{
int errs = 0, err;
int *rbuf = 0, *sbuf = 0;
MPI_Comm comm;
MPI_Datatype datatype;
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
datatype = MPI_INT;
/* Get an intercommunicator */
- while (MTestGetIntercomm( &comm, &leftGroup, 4 )) {
- if (comm == MPI_COMM_NULL) continue;
- MPI_Comm_rank( comm, &rank );
- MPI_Comm_remote_size( comm, &rsize );
+ while (MTestGetIntercomm(&comm, &leftGroup, 4)) {
+ if (comm == MPI_COMM_NULL)
+ continue;
+ MPI_Comm_rank(comm, &rank);
+ MPI_Comm_remote_size(comm, &rsize);
- /* To improve reporting of problems about operations, we
- change the error handler to errors return */
- MPI_Errhandler_set( comm, MPI_ERRORS_RETURN );
+ /* To improve reporting of problems about operations, we
+ * change the error handler to errors return */
+ MPI_Errhandler_set(comm, MPI_ERRORS_RETURN);
- for (count = 1; count < 65000; count = 2 * count) {
- /* The left group will send rank to the right group;
- The right group will send -rank to the left group */
- rbuf = (int *)malloc( count * rsize * sizeof(int) );
- sbuf = (int *)malloc( count * sizeof(int) );
- for (i=0; i<count*rsize; i++) rbuf[i] = -1;
- if (leftGroup) {
- for (i=0; i<count; i++) sbuf[i] = i + rank*count;
- }
- else {
- for (i=0; i<count; i++) sbuf[i] = -(i + rank*count);
- }
- err = MPI_Allgather( sbuf, count, datatype,
- rbuf, count, datatype, comm );
- if (err) {
- errs++;
- MTestPrintError( err );
- }
- if (leftGroup) {
- for (i=0; i<count*rsize; i++) {
- if (rbuf[i] != -i) {
- errs++;
- }
- }
- }
- else {
- for (i=0; i<count*rsize; i++) {
- if (rbuf[i] != i) {
- errs++;
- }
- }
- }
+ for (count = 1; count < 65000; count = 2 * count) {
+ /* The left group will send rank to the right group;
+ * The right group will send -rank to the left group */
+ rbuf = (int *) malloc(count * rsize * sizeof(int));
+ sbuf = (int *) malloc(count * sizeof(int));
+ for (i = 0; i < count * rsize; i++)
+ rbuf[i] = -1;
+ if (leftGroup) {
+ for (i = 0; i < count; i++)
+ sbuf[i] = i + rank * count;
+ }
+ else {
+ for (i = 0; i < count; i++)
+ sbuf[i] = -(i + rank * count);
+ }
+ err = MTest_Allgather(sbuf, count, datatype, rbuf, count, datatype, comm);
+ if (err) {
+ errs++;
+ MTestPrintError(err);
+ }
+ if (leftGroup) {
+ for (i = 0; i < count * rsize; i++) {
+ if (rbuf[i] != -i) {
+ errs++;
+ }
+ }
+ }
+ else {
+ for (i = 0; i < count * rsize; i++) {
+ if (rbuf[i] != i) {
+ errs++;
+ }
+ }
+ }
- /* Use Allgather in a unidirectional way */
- for (i=0; i<count*rsize; i++) rbuf[i] = -1;
- if (leftGroup) {
- err = MPI_Allgather( sbuf, 0, datatype,
- rbuf, count, datatype, comm );
- if (err) {
- errs++;
- MTestPrintError( err );
- }
- for (i=0; i<count*rsize; i++) {
- if (rbuf[i] != -i) {
- errs++;
- }
- }
- }
- else {
- err = MPI_Allgather( sbuf, count, datatype,
- rbuf, 0, datatype, comm );
- if (err) {
- errs++;
- MTestPrintError( err );
- }
- for (i=0; i<count*rsize; i++) {
- if (rbuf[i] != -1) {
- errs++;
- }
- }
- }
- free( rbuf );
- free( sbuf );
- }
- MTestFreeComm( &comm );
+ /* Use Allgather in a unidirectional way */
+ for (i = 0; i < count * rsize; i++)
+ rbuf[i] = -1;
+ if (leftGroup) {
+ err = MTest_Allgather(sbuf, 0, datatype, rbuf, count, datatype, comm);
+ if (err) {
+ errs++;
+ MTestPrintError(err);
+ }
+ for (i = 0; i < count * rsize; i++) {
+ if (rbuf[i] != -i) {
+ errs++;
+ }
+ }
+ }
+ else {
+ err = MTest_Allgather(sbuf, count, datatype, rbuf, 0, datatype, comm);
+ if (err) {
+ errs++;
+ MTestPrintError(err);
+ }
+ for (i = 0; i < count * rsize; i++) {
+ if (rbuf[i] != -1) {
+ errs++;
+ }
+ }
+ }
+ free(rbuf);
+ free(sbuf);
+ }
+ MTestFreeComm(&comm);
}
- MTest_Finalize( errs );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
}