ompi/oshmem: fix bug in shmem_alltoall in mca/scoll/basic.
Signed-off-by: Xin Zhao <xinz@mellanox.com>
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родитель
4092138ad9
Коммит
af32c305de
@ -105,15 +105,13 @@ get_stride_elem(const void *base, ptrdiff_t sst, size_t nelems, size_t elem_size
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}
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static inline int
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get_dst_pe(struct oshmem_group_t *group, int src_blk_idx, int dst_blk_idx)
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get_dst_pe(struct oshmem_group_t *group, int src_blk_idx, int dst_blk_idx, int *dst_pe_idx)
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{
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int dst_grp_pe;
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/* index permutation for better distribution of traffic */
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dst_grp_pe = (dst_blk_idx + src_blk_idx) % group->proc_count;
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(*dst_pe_idx) = (dst_blk_idx + src_blk_idx) % group->proc_count;
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/* convert to the global pe */
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return oshmem_proc_pe(group->proc_array[dst_grp_pe]);
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return oshmem_proc_pe(group->proc_array[*dst_pe_idx]);
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}
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static int a2as_alg_simple(struct oshmem_group_t *group,
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@ -127,6 +125,7 @@ static int a2as_alg_simple(struct oshmem_group_t *group,
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int dst_pe;
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int src_blk_idx;
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int dst_blk_idx;
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int dst_pe_idx;
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size_t elem_idx;
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SCOLL_VERBOSE(14,
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@ -137,14 +136,14 @@ static int a2as_alg_simple(struct oshmem_group_t *group,
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for (src_blk_idx = 0; src_blk_idx < group->proc_count; src_blk_idx++) {
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dst_pe = get_dst_pe(group, src_blk_idx, dst_blk_idx);
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dst_pe = get_dst_pe(group, src_blk_idx, dst_blk_idx, &dst_pe_idx);
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for (elem_idx = 0; elem_idx < nelems; elem_idx++) {
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rc = MCA_SPML_CALL(put(
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get_stride_elem(target, tst, nelems, element_size,
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dst_blk_idx, elem_idx),
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element_size,
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get_stride_elem(source, sst, nelems, element_size,
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src_blk_idx, elem_idx),
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dst_pe_idx, elem_idx),
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dst_pe));
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if (OSHMEM_SUCCESS != rc) {
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return rc;
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@ -164,6 +163,7 @@ static int a2a_alg_simple(struct oshmem_group_t *group,
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int dst_pe;
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int src_blk_idx;
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int dst_blk_idx;
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int dst_pe_idx;
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void *dst_blk;
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SCOLL_VERBOSE(14,
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@ -177,11 +177,11 @@ static int a2a_alg_simple(struct oshmem_group_t *group,
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for (src_blk_idx = 0; src_blk_idx < group->proc_count; src_blk_idx++) {
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dst_pe = get_dst_pe(group, src_blk_idx, dst_blk_idx);
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dst_pe = get_dst_pe(group, src_blk_idx, dst_blk_idx, &dst_pe_idx);
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rc = MCA_SPML_CALL(put(dst_blk,
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nelems * element_size,
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get_stride_elem(source, 1, nelems,
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element_size, src_blk_idx, 0),
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element_size, dst_pe_idx, 0),
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dst_pe));
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if (OSHMEM_SUCCESS != rc) {
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return rc;
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