DKRZ projects

08/25/2017

04:23 PM YAXT Feature #341 (New): Call MPI_Testany from time to time to improve performance

While doing some tests with YAC, I noticed that: when setting up a list of MPI_Isends, the performance improved, if f... Moritz Hanke

10:03 AM YAXT Feature #340 (New): Improve message send order in Xt_exchanger

Under certain circumstances the message order produced by the routine xt_exchanger_internal_optimize might not be opt... Moritz Hanke

04/23/2015

11:45 AM YAXT Bug #335 (New): passing pointers of zero-size arrays to redists

The addresses of arrays passed to xt_redist_s_exchange can be NULL, when the size of the array is zero. This can caus... Moritz Hanke

11/25/2014

10:09 AM YAXT Feature #334 (Closed): better bug message if xmap constructor fails

better error output is implemented in commit:1b629655 Moritz Hanke

08/08/2014

04:30 PM YAXT Task #332 (Closed): allow empty messages in exchange routines

Instead of allowing empty message I introduced a new datatype: xt_exchange. It stores the information required to do ... Moritz Hanke

04/17/2013

01:45 PM YAXT Task #316 (Closed): check if base redist class makes sense

xt_redist_collection_static, xt_redist_p2p and xt_redist_repeat now all use the redist base class xt_redist_single_ar... Moritz Hanke

04/16/2013

02:27 PM YAXT Feature #319 (New): support for two-phase-redistribution

Redistributions could also support a two-phase-redistribution scheme, that has has two communication steps. This pote... Moritz Hanke

04/10/2013

04:58 PM YAXT Feature #315 (Closed): new constructor xt_redist_repeat

is now implemented Moritz Hanke

03/18/2013

11:06 AM YAXT Bug #313 (Closed): bug: xmap construction allows multiple writes to the same destination memory location

duplication of #318 Moritz Hanke

11:05 AM YAXT Bug #318 (Closed): Eliminate multi-source indices

this is now fixed Moritz Hanke