Re: [OMPI devel] Barrier Implementation Oddity

2013-07-01 Thread George Bosilca
Yes, Bruck for barrier is a variant of the dissemination algorithm as described in: - Debra Hensgen, Raphael Finkel, and Udi Manbet. Two algorithms for barrier synchronization. International Journal of Parallel Programming, 17(1):1–17, 1988. George. On Jun 29, 2013, at 12:05 , Ronny Brende

[OMPI devel] Barrier Implementation Oddity

2013-06-29 Thread Ronny Brendel
Hi, I am digging through openmpi to find out what algorithm the barrier actually uses. seems to be bruck/dissemination. However i stumbled upon something odd. in: ompi/mca/coll/tuned/coll_tuned_barrier.c function: ompi_coll_tuned_barrier_intra_bruck I think you intend (by the comments and the fu