[mvapich-discuss] collectives fail under mvapich2-1.0 (fwd)

Edmund Sumbar esumbar at ualberta.ca
Thu Sep 27 17:57:26 EDT 2007


Edmund Sumbar wrote:
> I'll try running the SKaMPI tests again.  Maybe
> I missed something, as with the mvapich2 tests.

I recompiled and reran SKaMPI pt2pt, coll,
onesided, and mmisc tests on 3 nodes, 4
processors per node.

pt2pt and mmisc succeeded, while coll and
onesided failed (stalled).  Any ideas?

For what it's worth, here are the tails of
the output files...


$ tail coll_ib-3x4.sko
# SKaMPI Version 5.0 rev. 191

begin result "MPI_Bcast-nodes-short"
nodes= 2     1024       3.8       0.2       39       2.9       3.6
nodes= 3     1024       6.6       0.4       38       4.0       6.3       4.9
nodes= 4     1024       9.2       0.2       32       4.6       7.7       7.6       8.6


$ tail onesided_ib-3x4.sko
cpus= 8        4   50051.7       1.3        8   50051.7    ---       ---       ---       ---       ---       ---       ---
cpus= 9        4   50051.5       0.7        8   50051.5    ---       ---       ---       ---       ---       ---       ---       ---
cpus= 10        4   50047.7       1.6        8   50047.7    ---       ---       ---       ---       ---       ---       --- 
---       ---
cpus= 11        4   50058.2       2.7        8   50058.2    ---       ---       ---       ---       ---       ---       --- 
---       ---       ---
cpus= 12        4   50074.3       2.8        8   50074.3    ---       ---       ---       ---       ---       ---       --- 
---       ---       ---       ---
end result "MPI_Win_wait delayed,small"
# duration = 9.00 sec

begin result "MPI_Win_wait delayed without MPI_Put"
cpus= 2  1048576   50025.0       1.4        8   50025.0    ---


-- 
Ed[mund [Sumbar]]
AICT Research Support, Univ of Alberta


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