static char MTEST_Descrip[] = "Send flood test";
*/
-#define MAX_MSG_SIZE 40000000
-#define MAX_COUNT 4000
-int main( int argc, char *argv[] )
+#define MAX_MSG_SIZE 40000
+#define MAX_COUNT 20
+int main(int argc, char *argv[])
{
int errs = 0, err;
int rank, size, source, dest;
- int minsize = 2, count, nmsg, maxmsg;
- MPI_Comm comm;
+ int minsize = 2, count, nmsg, maxmsg;
+ MPI_Comm comm;
MTestDatatype sendtype, recvtype;
- MTest_Init( &argc, &argv );
+ MTest_Init(&argc, &argv);
- /* The following illustrates the use of the routines to
- run through a selection of communicators and datatypes.
- Use subsets of these for tests that do not involve combinations
- of communicators, datatypes, and counts of datatypes */
- while (MTestGetIntracommGeneral( &comm, minsize, 1 )) {
- if (comm == MPI_COMM_NULL) continue;
- /* Determine the sender and receiver */
- MPI_Comm_rank( comm, &rank );
- MPI_Comm_size( comm, &size );
- source = 0;
- dest = size - 1;
-
- /* To improve reporting of problems about operations, we
- change the error handler to errors return */
- MPI_Comm_set_errhandler( comm, MPI_ERRORS_RETURN );
+ /* The following illustrates the use of the routines to
+ * run through a selection of communicators and datatypes.
+ * Use subsets of these for tests that do not involve combinations
+ * of communicators, datatypes, and counts of datatypes */
+ while (MTestGetIntracommGeneral(&comm, minsize, 1)) {
+ if (comm == MPI_COMM_NULL)
+ continue;
+ /* Determine the sender and receiver */
+ MPI_Comm_rank(comm, &rank);
+ MPI_Comm_size(comm, &size);
+ source = 0;
+ dest = size - 1;
- for (count = 1; count < MAX_COUNT; count = count * 2) {
- while (MTestGetDatatypes( &sendtype, &recvtype, count )) {
- int nbytes;
- MPI_Type_size( sendtype.datatype, &nbytes );
+ /* To improve reporting of problems about operations, we
+ * change the error handler to errors return */
+ MPI_Comm_set_errhandler(comm, MPI_ERRORS_RETURN);
- /* We may want to limit the total message size sent */
- if (nbytes > MAX_MSG_SIZE) {
- /* We do not need to free, as we haven't
- initialized any of the buffers (?) */
- continue;
- }
- maxmsg = MAX_COUNT - count;
- MTestPrintfMsg( 1, "Sending count = %d of sendtype %s of total size %d bytes\n",
- count, MTestGetDatatypeName( &sendtype ),
- nbytes*count );
- /* Make sure that everyone has a recv buffer */
- recvtype.InitBuf( &recvtype );
+ for (count = 1; count < MAX_COUNT; count = count * 2) {
- if (rank == source) {
- sendtype.InitBuf( &sendtype );
-
- for (nmsg=1; nmsg<maxmsg; nmsg++) {
- err = MPI_Send( sendtype.buf, sendtype.count,
- sendtype.datatype, dest, 0, comm);
- if (err) {
- errs++;
- if (errs < 10) {
- MTestPrintError( err );
- }
- }
- }
- }
- else if (rank == dest) {
- for (nmsg=1; nmsg<maxmsg; nmsg++) {
- err = MPI_Recv( recvtype.buf, recvtype.count,
- recvtype.datatype, source, 0,
- comm, MPI_STATUS_IGNORE);
- if (err) {
- errs++;
- if (errs < 10) {
- MTestPrintError( err );
- }
- }
+ /* To shorten test time, only run the default version of datatype tests
+ * for comm world and run the minimum version for other communicators. */
+ if (comm != MPI_COMM_WORLD) {
+ MTestInitMinDatatypes();
+ }
- err = MTestCheckRecv( 0, &recvtype );
- if (err) {
- if (errs < 10) {
- printf( "Data in target buffer did not match for destination datatype %s and source datatype %s, count = %d, message iteration %d of %d\n",
- MTestGetDatatypeName( &recvtype ),
- MTestGetDatatypeName( &sendtype ),
- count, nmsg, maxmsg );
- recvtype.printErrors = 1;
- (void)MTestCheckRecv( 0, &recvtype );
- }
- errs += err;
- }
- }
- }
- MTestFreeDatatype( &recvtype );
- MTestFreeDatatype( &sendtype );
- }
- }
- MTestFreeComm( &comm );
+ while (MTestGetDatatypes(&sendtype, &recvtype, count)) {
+ int nbytes;
+ MPI_Type_size(sendtype.datatype, &nbytes);
+
+ /* We may want to limit the total message size sent */
+ if (nbytes > MAX_MSG_SIZE) {
+ /* We do not need to free, as we haven't
+ * initialized any of the buffers (?) */
+ continue;
+ }
+ maxmsg = MAX_COUNT - count;
+ MTestPrintfMsg(1, "Sending count = %d of sendtype %s of total size %d bytes\n",
+ count, MTestGetDatatypeName(&sendtype), nbytes * count);
+ /* Make sure that everyone has a recv buffer */
+ recvtype.InitBuf(&recvtype);
+
+ if (rank == source) {
+ sendtype.InitBuf(&sendtype);
+
+ for (nmsg = 1; nmsg < maxmsg; nmsg++) {
+ err = MPI_Send(sendtype.buf, sendtype.count,
+ sendtype.datatype, dest, 0, comm);
+ if (err) {
+ errs++;
+ if (errs < 10) {
+ MTestPrintError(err);
+ }
+ }
+ }
+ }
+ else if (rank == dest) {
+ for (nmsg = 1; nmsg < maxmsg; nmsg++) {
+ err = MPI_Recv(recvtype.buf, recvtype.count,
+ recvtype.datatype, source, 0, comm, MPI_STATUS_IGNORE);
+ if (err) {
+ errs++;
+ if (errs < 10) {
+ MTestPrintError(err);
+ }
+ }
+
+ err = MTestCheckRecv(0, &recvtype);
+ if (err) {
+ if (errs < 10) {
+ printf
+ ("Data in target buffer did not match for destination datatype %s and source datatype %s, count = %d, message iteration %d of %d\n",
+ MTestGetDatatypeName(&recvtype),
+ MTestGetDatatypeName(&sendtype), count, nmsg, maxmsg);
+ recvtype.printErrors = 1;
+ (void) MTestCheckRecv(0, &recvtype);
+ }
+ errs += err;
+ }
+ }
+ }
+ MTestFreeDatatype(&recvtype);
+ MTestFreeDatatype(&sendtype);
+ }
+ }
+ MTestFreeComm(&comm);
}
- MTest_Finalize( errs );
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
}
