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Redmine Feature #321 (New): runtime switch for the generation of MPI datatypeshttps://swprojects.dkrz.de/redmine/issues/3212013-06-27T13:32:47ZJoerg Behrensbehrens@dkrz.de
<p>There are now two ways to generate dataypes (src/xt_mpi.c)</p>
<p>(a) fast, but without exploiting potential for a compact description<br />(b) less fast, but with ...</p>
<p>So far the switch is a cpp symbol: COMPACT_DT in src/xt_mpi.c</p>
<p>We need a runtime switch in order to test both versions without recompilation</p>