[Pkg-openmpi-maintainers] [OMPI devel] Build failures of 1.2.3 on Debian hppa, mips, mipsel, s390, m68k
Brian Barrett
bbarrett at lanl.gov
Sat Jul 14 17:27:34 UTC 2007
On Jul 14, 2007, at 11:16 AM, George Bosilca wrote:
> Instead of failing at configure time, we might want to disable the
> threading features and the shared memory device if we detect that we
> don't have support for atomics on a specified platform. In a non
> threaded build, the shared memory device is the only place where we
> need support for memory barrier. I'll look in the code to see why we
> need support for compare-and-swap on a non threaded build.
George -
Disabling SM and threads if there's no atomic support would
definitely be one option. The compare-and-swap is used by the LIFO
used for ompi free lists.
Brian
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