coll/base: fix zero size datatype handling in mca_coll_base_alltoallv_intra_basic_inplace()
Signed-off-by: Gilles Gouaillardet <gilles@rist.or.jp>
Этот коммит содержится в:
родитель
dc24f3f1a8
Коммит
68ac95003f
@ -79,7 +79,7 @@ mca_coll_base_alltoallv_intra_basic_inplace(const void *rbuf, const int *rcounts
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/* in-place alltoallv slow algorithm (but works) */
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/* in-place alltoallv slow algorithm (but works) */
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for (i = 0 ; i < size ; ++i) {
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for (i = 0 ; i < size ; ++i) {
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for (j = i+1 ; j < size ; ++j) {
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for (j = i+1 ; j < size ; ++j) {
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if (i == rank) {
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if (i == rank && 0 != rcounts[j] && 0 != rdtype_size) {
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/* Copy the data into the temporary buffer */
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/* Copy the data into the temporary buffer */
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err = ompi_datatype_copy_content_same_ddt (rdtype, rcounts[j],
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err = ompi_datatype_copy_content_same_ddt (rdtype, rcounts[j],
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tmp_buffer, (char *) rbuf + rdisps[j] * ext);
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tmp_buffer, (char *) rbuf + rdisps[j] * ext);
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@ -92,7 +92,7 @@ mca_coll_base_alltoallv_intra_basic_inplace(const void *rbuf, const int *rcounts
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j, MCA_COLL_BASE_TAG_ALLTOALLV,
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j, MCA_COLL_BASE_TAG_ALLTOALLV,
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comm, MPI_STATUS_IGNORE);
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comm, MPI_STATUS_IGNORE);
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if (MPI_SUCCESS != err) { goto error_hndl; }
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if (MPI_SUCCESS != err) { goto error_hndl; }
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} else if (j == rank) {
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} else if (j == rank && 0 != rcounts[i] && 0 != rdtype_size) {
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/* Copy the data into the temporary buffer */
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/* Copy the data into the temporary buffer */
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err = ompi_datatype_copy_content_same_ddt (rdtype, rcounts[i],
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err = ompi_datatype_copy_content_same_ddt (rdtype, rcounts[i],
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tmp_buffer, (char *) rbuf + rdisps[i] * ext);
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tmp_buffer, (char *) rbuf + rdisps[i] * ext);
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