Re: [OMPI devel] shmem_collect32 does not work with nlong == 0

2014-05-10 Thread Mike Dubman
thanks for patch, we will review it next week. Also, you can select different shmem collectives at runtime: -mca scoll_mpi_enable 1 (to select MPI collectives for shmem) On Sat, May 10, 2014 at 7:08 PM, Bert Wesarg wrote: > On 05/10/2014 02:46 PM, Bert Wesarg wrote: > >> Hi, >> >> I get a dea

Re: [OMPI devel] shmem_collect32 does not work with nlong == 0

2014-05-10 Thread Bert Wesarg
On 05/10/2014 02:46 PM, Bert Wesarg wrote: Hi, I get a deadlock when using the shmem_collect32() routine and any of the non-root PEs pass 0 as the number of elements. It looks like the algorithm in _algorithm_central_collector() does use 0 as a special value, and thus does not break out of the l

[OMPI devel] shmem_collect32 does not work with nlong == 0

2014-05-10 Thread Bert Wesarg
Hi, I get a deadlock when using the shmem_collect32() routine and any of the non-root PEs pass 0 as the number of elements. It looks like the algorithm in _algorithm_central_collector() does use 0 as a special value, and thus does not break out of the loop. This is observable with 1.8 and cur