Paul Whitford wrote:
I am using 3.3.2 and 3.3.1 and I get the following problem with both of
them.
If I run replica exchange on >4 processors (2 and 4 are fine), the
simulations finish, but mpi gives the following errors, thus the job
never terminates
this is the end of my log file
-----------------------------------------------------------------------
NODE (s) Real (s) (%)
Time: 158483.430 159636.000 99.3
1d20h01:23
(Mnbf/s) (MFlops) (ns/day) (hour/ns)
Performance: 18.919 818.029 2.726 8.805
p13_15442: p4_error: Timeout in establishing connection to remote
process: 0
p12_15407: p4_error: Timeout in establishing connection to remote
process: 0
Broken pipe
p11_2364: p4_error: Timeout in establishing connection to remote process: 0
p9_20588: p4_error: Timeout in establishing connection to remote
process: 0
p10_2329: p4_error: Timeout in establishing connection to remote process: 0
Broken pipe
Broken pipe
Broken pipe
Broken pipe
p6_24137: p4_error: Timeout in establishing connection to remote process: 0
p7_24172: p4_error: Timeout in establishing connection to remote process: 0
Broken pipe
Broken pipe
These are problems with the memory-management for MPICH. There's a good
track record of such problems with MPICH. Try LAM instead.
Mark
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