*/
#include "mpi.h"
#include <stdio.h>
+#include <string.h>
+#include <limits.h>
#include "mpitest.h"
+#define LARGE_CNT_CONTIG 5500000
+#define LARGE_CNT_NONCONTIG 1500000
+
/*
static char MTEST_Descrip[] = "Get with Fence";
*/
-int main( int argc, char *argv[] )
+static inline int test(MPI_Comm comm, int rank, int source, int dest,
+ MTestDatatype * sendtype, MTestDatatype * recvtype)
{
int errs = 0, err;
+ int disp_unit;
+ MPI_Aint extent, lb;
+ MPI_Win win;
+
+ MTestPrintfMsg(1,
+ "Getting count = %ld of sendtype %s - count = %ld receive type %s\n",
+ sendtype->count, MTestGetDatatypeName(sendtype), recvtype->count,
+ MTestGetDatatypeName(recvtype));
+ /* Make sure that everyone has a recv buffer */
+ recvtype->InitBuf(recvtype);
+ sendtype->InitBuf(sendtype);
+ /* By default, print information about errors */
+ recvtype->printErrors = 1;
+ sendtype->printErrors = 1;
+
+ MPI_Type_extent(sendtype->datatype, &extent);
+ MPI_Type_lb(sendtype->datatype, &lb);
+ disp_unit = extent < INT_MAX ? extent : 1;
+ MPI_Win_create(sendtype->buf, sendtype->count * extent + lb, disp_unit, MPI_INFO_NULL, comm, &win);
+ MPI_Win_fence(0, win);
+ if (rank == source) {
+ /* The source does not need to do anything besides the
+ * fence */
+ MPI_Win_fence(0, win);
+ }
+ else if (rank == dest) {
+ /* To improve reporting of problems about operations, we
+ * change the error handler to errors return */
+ MPI_Win_set_errhandler(win, MPI_ERRORS_RETURN);
+
+ /* This should have the same effect, in terms of
+ * transfering data, as a send/recv pair */
+ err = MPI_Get(recvtype->buf, recvtype->count,
+ recvtype->datatype, source, 0, sendtype->count, sendtype->datatype, win);
+ if (err) {
+ errs++;
+ if (errs < 10) {
+ MTestPrintError(err);
+ }
+ }
+ err = MPI_Win_fence(0, win);
+ if (err) {
+ errs++;
+ if (errs < 10) {
+ MTestPrintError(err);
+ }
+ }
+ err = MTestCheckRecv(0, recvtype);
+ if (err) {
+ errs += err;
+ }
+ }
+ else {
+ MPI_Win_fence(0, win);
+ }
+ MPI_Win_free(&win);
+
+ return errs;
+}
+
+
+int main(int argc, char *argv[])
+{
+ int errs = 0;
int rank, size, source, dest;
- int minsize = 2, count;
- MPI_Comm comm;
- MPI_Win win;
- MPI_Aint extent;
+ int minsize = 2, count;
+ MPI_Comm comm;
MTestDatatype sendtype, recvtype;
- 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;
-
- for (count = 1; count < 65000; count = count * 2) {
- while (MTestGetDatatypes( &sendtype, &recvtype, count )) {
- /* Make sure that everyone has a recv buffer */
- recvtype.InitBuf( &recvtype );
- sendtype.InitBuf( &sendtype );
- /* By default, print information about errors */
- recvtype.printErrors = 1;
- sendtype.printErrors = 1;
-
- MPI_Type_extent( sendtype.datatype, &extent );
- MPI_Win_create( sendtype.buf, sendtype.count * extent,
- (int)extent, MPI_INFO_NULL, comm, &win );
- MPI_Win_fence( 0, win );
- if (rank == source) {
- /* The source does not need to do anything besides the
- fence */
- MPI_Win_fence( 0, win );
- }
- else if (rank == dest) {
- /* To improve reporting of problems about operations, we
- change the error handler to errors return */
- MPI_Win_set_errhandler( win, MPI_ERRORS_RETURN );
-
- /* This should have the same effect, in terms of
- transfering data, as a send/recv pair */
- err = MPI_Get( recvtype.buf, recvtype.count,
- recvtype.datatype, source, 0,
- sendtype.count, sendtype.datatype, win );
- if (err) {
- errs++;
- if (errs < 10) {
- MTestPrintError( err );
- }
- }
- err = MPI_Win_fence( 0, win );
- if (err) {
- errs++;
- if (errs < 10) {
- MTestPrintError( err );
- }
- }
- err = MTestCheckRecv( 0, &recvtype );
- if (err) {
- errs += err;
- }
- }
- else {
- MPI_Win_fence( 0, win );
- }
- MPI_Win_free( &win );
- MTestFreeDatatype( &recvtype );
- MTestFreeDatatype( &sendtype );
- }
- }
+ 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;
+
+ MTEST_DATATYPE_FOR_EACH_COUNT(count) {
+ while (MTestGetDatatypes(&sendtype, &recvtype, count)) {
+ errs += test(comm, rank, source, dest, &sendtype, &recvtype);
+ MTestFreeDatatype(&sendtype);
+ MTestFreeDatatype(&recvtype);
+ }
+ }
MTestFreeComm(&comm);
}
- MTest_Finalize( errs );
+ /* Part #2: simple large size test - contiguous and noncontiguous */
+ if (sizeof(void *) > 4) { /* Only if > 32-bit architecture */
+ MPI_Comm_rank(MPI_COMM_WORLD, &rank);
+ MPI_Comm_size(MPI_COMM_WORLD, &size);
+ source = 0;
+ dest = size - 1;
+
+ MTestGetDatatypes(&sendtype, &recvtype, LARGE_CNT_CONTIG);
+ errs += test(MPI_COMM_WORLD, rank, source, dest, &sendtype, &recvtype);
+
+ do {
+ MTestFreeDatatype(&sendtype);
+ MTestFreeDatatype(&recvtype);
+ MTestGetDatatypes(&sendtype, &recvtype, LARGE_CNT_NONCONTIG);
+ } while (strstr(MTestGetDatatypeName(&sendtype), "vector") == NULL);
+ errs += test(MPI_COMM_WORLD, rank, source, dest, &sendtype, &recvtype);
+ MTestFreeDatatype(&sendtype);
+ MTestFreeDatatype(&recvtype);
+ }
+
+ MTest_Finalize(errs);
MPI_Finalize();
return 0;
}