This fixes bug #1157 in coll/self module.

All vector functions had incorrect handling of the offset.

This commit was SVN r16360.

ompi/mca/coll/self/coll_self_allgatherv.c

@@ -40,6 +40,12 @@ int mca_coll_self_allgatherv_intra(void *sbuf, int scount,
     if (MPI_IN_PLACE == sbuf) {
         return MPI_SUCCESS;
     } else {
+        int err;        
+        ptrdiff_t lb, extent;
+        err = ompi_ddt_get_extent(rdtype, &lb, &extent);
+        if (OMPI_SUCCESS != err) {
+            return OMPI_ERROR;
+        }
         return ompi_ddt_sndrcv(sbuf, scount, sdtype,
                                ((char *) rbuf) + disps[0], rcounts[0], rdtype);
     }

ompi/mca/coll/self/coll_self_alltoallv.c

@@ -38,6 +38,18 @@ mca_coll_self_alltoallv_intra(void *sbuf, int *scounts, int *sdisps,
                               struct ompi_communicator_t *comm,
                               struct mca_coll_base_module_1_1_0_t *module)
 {
-    return ompi_ddt_sndrcv(((char *) sbuf) + sdisps[0], scounts[0], sdtype,
-                           ((char *) rbuf) + rdisps[0], rcounts[0], rdtype);
+    int err;        
+    ptrdiff_t lb, rextent, sextent;
+    err = ompi_ddt_get_extent(sdtype, &lb, &sextent);
+    if (OMPI_SUCCESS != err) {
+        return OMPI_ERROR;
+    }
+    err = ompi_ddt_get_extent(rdtype, &lb, &rextent);
+    if (OMPI_SUCCESS != err) {
+        return OMPI_ERROR;
+    }
+    return ompi_ddt_sndrcv(((char *) sbuf) + sdisps[0] * sextent, 
+                           scounts[0], sdtype,
+                           ((char *) rbuf) + rdisps[0] * rextent, 
+                           rcounts[0], rdtype);
 }

ompi/mca/coll/self/coll_self_alltoallw.c

@@ -37,6 +37,19 @@ int mca_coll_self_alltoallw_intra(void *sbuf, int *scounts, int *sdisps,
                                   struct ompi_communicator_t *comm,
                                   struct mca_coll_base_module_1_1_0_t *module)
 {
-    return ompi_ddt_sndrcv(((char *) sbuf) + sdisps[0], scounts[0], sdtypes[0],
-                           ((char *) rbuf) + rdisps[0], rcounts[0], rdtypes[0]);
+    int err;        
+    ptrdiff_t lb, rextent, sextent;
+    err = ompi_ddt_get_extent(sdtypes[0], &lb, &sextent);
+    if (OMPI_SUCCESS != err) {
+        return OMPI_ERROR;
+    }
+    err = ompi_ddt_get_extent(rdtypes[0], &lb, &rextent);
+    if (OMPI_SUCCESS != err) {
+        return OMPI_ERROR;
+    }
+
+    return ompi_ddt_sndrcv(((char *) sbuf) + sdisps[0] * sextent, 
+                           scounts[0], sdtypes[0],
+                           ((char *) rbuf) + rdisps[0] * rextent, 
+                           rcounts[0], rdtypes[0]);
 }

ompi/mca/coll/self/coll_self_gatherv.c

@@ -39,8 +39,15 @@ int mca_coll_self_gatherv_intra(void *sbuf, int scount,
 {
     if (MPI_IN_PLACE == sbuf) {
         return MPI_SUCCESS;
-    } else {
+    } else { 
+        int err;        
+        ptrdiff_t lb, extent;
+        err = ompi_ddt_get_extent(rdtype, &lb, &extent);
+        if (OMPI_SUCCESS != err) {
+            return OMPI_ERROR;
+        }
         return ompi_ddt_sndrcv(sbuf, scount, sdtype,
-                               ((char *) rbuf) + disps[0], rcounts[0], rdtype);
+                               ((char *) rbuf) + disps[0]*extent, 
+                               rcounts[0], rdtype);
     }
 }

ompi/mca/coll/self/coll_self_scatterv.c

@@ -40,7 +40,13 @@ int mca_coll_self_scatterv_intra(void *sbuf, int *scounts,
     if (MPI_IN_PLACE == rbuf) {
         return MPI_SUCCESS;
     } else {
-        return ompi_ddt_sndrcv(((char *) sbuf) + disps[0], scounts[0], sdtype,
-                               rbuf, rcount, rdtype);
+        int err;        
+        ptrdiff_t lb, extent;
+        err = ompi_ddt_get_extent(sdtype, &lb, &extent);
+        if (OMPI_SUCCESS != err) {
+            return OMPI_ERROR;
+        }
+        return ompi_ddt_sndrcv(((char *) sbuf) + disps[0]*extent, scounts[0], 
+                               sdtype, rbuf, rcount, rdtype);
     }
 }