mirror/hdf5
2
0
Fork 0
mirror of https://github.com/HDFGroup/hdf5.git synced 2025-03-31 17:10:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

[svn-r5435] Purpose:

Browse Source 
Document Code improvement below:

Description:
    Propagated the "fill time" property into the parallel chunk allocation
    routine, allowing it to avoid writing fill values to each new chunk
    allocated.  This improves the performance of chunked datasets in parallel
    I/O to be on par with contiguous datasets again (on modi4).
This commit is contained in:
Quincey Koziol 2002-05-17 09:03:23 -05:00
parent e1e68de8b5
commit 064d89ddae
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
release_docs/RELEASE.txt
View File

@ -164,6 +164,10 @@ Documentation
New Features
============
* Added feature to parallel chunk allocation routine to not write fill
values to chunks allocated if the user has set the "fill time" to never.
This can improve parallel I/O performance for chunked
datasets. QAK - 2002/05/17
* Changed method for allocating chunked dataset blocks in parallel to only
allocate blocks that don't already exist, instead of attempting to create
all the blocks all the time. This improves parallel I/O performance for