Add mpich3 test suite, to replace older one.

[simgrid.git] / teshsuite / smpi / mpich3-test / pt2pt / bsendfrag.c

diff --git a/teshsuite/smpi/mpich3-test/pt2pt/bsendfrag.c b/teshsuite/smpi/mpich3-test/pt2pt/bsendfrag.c
new file mode 100644 (file)
index 0000000..8f22959
--- /dev/null
+++ b/teshsuite/smpi/mpich3-test/pt2pt/bsendfrag.c
@@ -0,0 +1,121 @@
+/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
+/*
+ *
+ *  (C) 2003 by Argonne National Laboratory.
+ *      See COPYRIGHT in top-level directory.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include "mpi.h"
+#include "mpitest.h"
+
+/*
+static char MTEST_Descrip[] = "Test bsend message handling where \
+different messages are received in different orders";
+*/
+
+/*
+ * Notes on the test.
+ *
+ * To ensure that messages remain in the bsend buffer until received,
+ * messages are sent with size MSG_SIZE (ints).  
+ */
+
+#define MSG_SIZE 17000
+
+int main( int argc, char *argv[] )
+{
+    int errs = 0;
+    int b1[MSG_SIZE], b2[MSG_SIZE], b3[MSG_SIZE], b4[MSG_SIZE];
+    int src, dest, size, rank, i;
+    MPI_Comm comm;
+    MPI_Status status;
+
+    MTest_Init( &argc, &argv );
+
+    MPI_Errhandler_set( MPI_COMM_WORLD, MPI_ERRORS_RETURN );
+
+    comm = MPI_COMM_WORLD;
+    MPI_Comm_rank( comm, &rank );
+    MPI_Comm_size( comm, &size );
+
+    if (size < 2) {
+       errs++;
+       fprintf( stderr, "At least 2 processes required\n" );
+       MPI_Abort( MPI_COMM_WORLD, 1 );
+    }
+
+    src  = 0;
+    dest = 1;
+
+    if (rank == src) {
+       int *buf, bufsize, bsize;
+
+       bufsize = 4 * (MSG_SIZE * sizeof(int) + MPI_BSEND_OVERHEAD);
+       buf = (int *)malloc( bufsize );
+       if (!buf) {
+           fprintf( stderr, "Could not allocate buffer of %d bytes\n", 
+                    bufsize );
+           MPI_Abort( MPI_COMM_WORLD, 1 );
+       }
+       MPI_Buffer_attach( buf, bufsize );
+
+       /* Initialize data */
+       for (i=0; i<MSG_SIZE; i++) {
+           b1[i] = i;
+           b2[i] = MSG_SIZE + i;
+           b3[i] = 2 * MSG_SIZE + i;
+           b4[i] = 3 * MSG_SIZE + i;
+       }
+       /* Send and reset buffers after bsend returns */
+       MPI_Bsend( b1, MSG_SIZE, MPI_INT, dest, 0, comm );
+       for (i=0; i<MSG_SIZE; i++) b1[i] = -b1[i];
+       MPI_Bsend( b2, MSG_SIZE, MPI_INT, dest, 1, comm );
+       for (i=0; i<MSG_SIZE; i++) b2[i] = -b2[i];
+       MPI_Bsend( b3, MSG_SIZE, MPI_INT, dest, 2, comm );
+       for (i=0; i<MSG_SIZE; i++) b3[i] = -b3[i];
+       MPI_Bsend( b4, MSG_SIZE, MPI_INT, dest, 3, comm );
+       for (i=0; i<MSG_SIZE; i++) b4[i] = -b4[i];
+
+       MPI_Barrier( comm );
+       /* Detach waits until all messages received */
+       MPI_Buffer_detach( &buf, &bsize );
+    }
+    else if (rank == dest) {
+       
+       MPI_Barrier( comm );
+       MPI_Recv( b2, MSG_SIZE, MPI_INT, src, 1, comm, &status );
+       MPI_Recv( b1, MSG_SIZE, MPI_INT, src, 0, comm, &status );
+       MPI_Recv( b4, MSG_SIZE, MPI_INT, src, 3, comm, &status );
+       MPI_Recv( b3, MSG_SIZE, MPI_INT, src, 2, comm, &status );
+
+       /* Check received data */
+       for (i=0; i<MSG_SIZE; i++) {
+           if (b1[i] != i) {
+               errs++;
+               if (errs < 16) printf( "b1[%d] is %d\n", i, b1[i] );
+           }
+           if (b2[i] != MSG_SIZE + i) {
+               errs++;
+               if (errs < 16) printf( "b2[%d] is %d\n", i, b2[i] );
+           }
+           if (b3[i] != 2 * MSG_SIZE + i) {
+               errs++;
+               if (errs < 16) printf( "b3[%d] is %d\n", i, b3[i] );
+           }
+           if (b4[i] != 3 * MSG_SIZE + i) {
+               errs++;
+               if (errs < 16) printf( "b4[%d] is %d\n", i, b4[i] );
+           }
+       }
+    }
+    else {
+       MPI_Barrier( comm );
+    }
+
+
+    MTest_Finalize( errs );
+    MPI_Finalize();
+    return 0;
+  
+}