ports/openmpi
ports/openmpi
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When copying data using the same datatype don't ignore the gap in

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the begining.

This commit was SVN r20034.
Этот коммит содержится в:
George Bosilca 2008-11-25 00:26:12 +00:00
родитель 3927c03e18
Коммит 16598d7d39
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6
ompi/datatype/dt_copy.c
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@ -3,7 +3,7 @@
* Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana * Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
* University Research and Technology * University Research and Technology
* Corporation. All rights reserved. * Corporation. All rights reserved.
* Copyright (c) 2004-2006 The University of Tennessee and The University * Copyright (c) 2004-2008 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights * of Tennessee Research Foundation. All rights
* reserved. * reserved.
* Copyright (c) 2004-2006 High Performance Computing Center Stuttgart, * Copyright (c) 2004-2006 High Performance Computing Center Stuttgart,
@ -155,8 +155,8 @@ int32_t ompi_ddt_copy_content_same_ddt( const ompi_datatype_t* datatype, int32_t
/* Now that we know the datatype is contiguous, we should move the 2 pointers /* Now that we know the datatype is contiguous, we should move the 2 pointers
* source and destination to the correct displacement. * source and destination to the correct displacement.
*/ */
destination += datatype->lb; destination += datatype->true_lb;
source += datatype->lb; source += datatype->true_lb;
if( (ptrdiff_t)datatype->size == extent ) { /* all contiguous == no gaps around */ if( (ptrdiff_t)datatype->size == extent ) { /* all contiguous == no gaps around */
size_t total_length = iov_len_local; size_t total_length = iov_len_local;
size_t memcpy_chunk = ompi_datatype_memcpy_block_size; size_t memcpy_chunk = ompi_datatype_memcpy_block_size;