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| author | MuQun Yang <ymuqun@hdfgroup.org> | 2005-08-31 16:05:40 (GMT) |
|---|---|---|
| committer | MuQun Yang <ymuqun@hdfgroup.org> | 2005-08-31 16:05:40 (GMT) |
| commit | ab4127629f7dfd5728691a28928185c8de5fa90c (patch) | |
| tree | 3c0f8fb362bdf992f8aa64110e422dc439ea1190 /release_docs/RELEASE.txt | |
| parent | f1179bc82cbfbc7b8cc55257fa7dcb062af5add7 (diff) | |
| download | hdf5-ab4127629f7dfd5728691a28928185c8de5fa90c.zip hdf5-ab4127629f7dfd5728691a28928185c8de5fa90c.tar.gz hdf5-ab4127629f7dfd5728691a28928185c8de5fa90c.tar.bz2 | |
[svn-r11322]
Purpose:
Add the known problem for IRIX6.5 C version >7.4.
Description:
Somehow SGI's MPI implementation doesn't free MPI_TYPE_entries,
So for large application to use MPI derived datatype, environment
variable MPI_TYPE_MAX needs to be reset.
Solution:
Platforms tested:
Misc. update:
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 7e2e57b..42906c1 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -799,6 +799,11 @@ Linux 2.4 IA64 Intel y n y n y y y Known Problems ============== +* On IRIX6.5, when C compiler version >7.4, the complicate MPI derived data type + code will work. However, the user should be aware to enlarge MPI_TYPE_MAX environment + variable to some certian value in order to use collective irregular selection code. + For example, the current parallel HDF5 test needs to enlarge MPI_TYPE_MAX to + 200,000 to make the test pass. * The dataset created or rewritten with the v1.6.3 library or after can't be read with the v1.6.2 library or before when Fletcher32 EDC(filter) is enabled. There was a bug in the calculating code of the Fletcher32 |