Feature #321

runtime switch for the generation of MPI datatypes

Added by Joerg Behrens about 6 years ago.

Status:New Start date:06/27/2013
Priority:Normal Due date:
Assignee:Joerg Behrens % Done:

0%

Category:-
Target version:-

Description

There are now two ways to generate dataypes (src/xt_mpi.c)

(a) fast, but without exploiting potential for a compact description
(b) less fast, but with ...

So far the switch is a cpp symbol: COMPACT_DT in src/xt_mpi.c

We need a runtime switch in order to test both versions without recompilation

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