Re: [OMPI devel] OMPI devel] Master hangs in opal_fifo test

2015-02-06 Thread George Bosilca
On Fri, Feb 6, 2015 at 8:54 AM, Gilles Gouaillardet < gilles.gouaillar...@gmail.com> wrote: > George, > > Can you point me to an other project that uses 128 bits atomics ? > http://icl.cs.utk.edu/parsec/. It heavily uses lock-free structures, and the 128 bits atomics are the safest and fastest wa

Re: [OMPI devel] OMPI devel] Master hangs in opal_fifo test

2015-02-06 Thread Gilles Gouaillardet
George, Can you point me to an other project that uses 128 bits atomics ? In my tests, i noticed that the volatile keyword is (one of) the trigger of the compiler bug. At this stage, i could not see anything wrong in ompi, plus this is working fine with recent gcc and icc, so i concluded this i