Re: [OMPI devel] RFC: Remove (broken) heterogeneous support

2013-01-30 Thread Jeff Squyres (jsquyres)
On Jan 30, 2013, at 9:40 AM, Andreas Schäfer wrote: > But isn't heterogeneity the main reason for having MPI datatypes in > the first place? Otherwise I could always use MPI_CHAR and sizeof(Foo). Heterogeneity was a much bigger issue back in the 90s. Nowadays, most people have pretty homogeneo

Re: [OMPI devel] RFC: Remove (broken) heterogeneous support

2013-01-30 Thread Andreas Schäfer
On 14:36 Wed 30 Jan , Jeff Squyres (jsquyres) wrote: > On Jan 30, 2013, at 7:36 AM, Siegmar Gross > wrote: > > > HiI have no problem with the option --enable-heterogeneous, when I build > > Open MPI, but Open MPI will not work in a heterogeneous environment > > with little and big endian mac

Re: [OMPI devel] RFC: Remove (broken) heterogeneous support

2013-01-30 Thread Jeff Squyres (jsquyres)
On Jan 30, 2013, at 7:36 AM, Siegmar Gross wrote: > HiI have no problem with the option --enable-heterogeneous, when I build > Open MPI, but Open MPI will not work in a heterogeneous environment > with little and big endian machines, Right -- that's the issue: --enable-heterogeneous is broken (

Re: [OMPI devel] RFC: Remove (broken) heterogeneous support

2013-01-30 Thread Siegmar Gross
Hi > WHAT: Remove the configure command line option to enable heterogeneous > support > > WHY: The heterogeneous conversion code isn't working, very few people > use this feature > > WHERE: README and config/opal_configure_options.m4. See attached patch. > > TIMEOUT: Next Tuesday teleconf, 5 F