Commit 398aeb4f authored by Paul Coffman's avatar Paul Coffman Committed by Rob Latham
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ROMIO Collective IO One-sided aggregation algorithm non-contiguous


source buffer bug fixes

The CESM climate model decomps for fill-value support exposed several
bugs in the algorithm related to non-contiguous source buffers which
have been fixed.  Those issues include:
Mishandling of ranks with no data.
Miscalculations of the source buffer offsets utilizing the flattened
buffer mechanisms.
Mishandling of negative source buffer offsets.
Inefficient and inaccurate memory management of temporary buffers used
to collect non-contigous chunks for a given file offset.
Signed-off-by: Rob Latham's avatarRob Latham <robl@mcs.anl.gov>
parent e6849ac4
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