Be nice and remember the real type of the last data. Optimizing the optimization leads to strange behaviours ...
This commit was SVN r6387.
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6c6b18eb20
Коммит
d38c8b6895
@ -100,7 +100,9 @@ int32_t ompi_ddt_optimize_short( ompi_datatype_t* pData, int32_t count,
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/* if the previous data is contiguous with this piece and it has a length not ZERO */
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if( last_length != 0 ) {
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if( (last_disp + last_length) == (total_disp + loop_disp) ) {
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last_length *= ompi_ddt_basicDatatypes[last_type]->size;
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last_length += end_loop->size;
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last_type = DT_BYTE;
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counter--;
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}
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CREATE_ELEM( pElemDesc, last_type, DT_FLAG_BASIC, last_length, last_disp, last_extent );
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@ -147,10 +149,12 @@ int32_t ompi_ddt_optimize_short( ompi_datatype_t* pData, int32_t count,
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(pData->desc.desc[pos_desc].elem.extent == (int32_t)ompi_ddt_basicDatatypes[type]->size) ) {
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if( type == last_type ) {
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last_length += pData->desc.desc[pos_desc].elem.count;
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last_extent = pData->desc.desc[pos_desc].elem.extent;
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} else {
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if( last_length == 0 ) {
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last_type = type;
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last_length = pData->desc.desc[pos_desc].elem.count;
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last_extent = pData->desc.desc[pos_desc].elem.extent;
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} else {
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last_length = last_length * ompi_ddt_basicDatatypes[last_type]->size +
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pData->desc.desc[pos_desc].elem.count * ompi_ddt_basicDatatypes[type]->size;
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@ -166,8 +170,9 @@ int32_t ompi_ddt_optimize_short( ompi_datatype_t* pData, int32_t count,
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pElemDesc++; nbElems++;
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}
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last_disp = total_disp + pData->desc.desc[pos_desc].elem.disp;
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last_length = pData->desc.desc[pos_desc].elem.count * ompi_ddt_basicDatatypes[type]->size;
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last_length = pData->desc.desc[pos_desc].elem.count;
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last_extent = pData->desc.desc[pos_desc].elem.extent;
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last_type = type;
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}
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pos_desc++; /* advance to the next data */
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}
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