Something that might not be clear from my initial writeup:
1. I had to go change C code to disable libnbc. Since non-blocking collectives
are part of MPI-3:
a) we have no convenient configure argument to not build the libnbc coll
component (there is a way, but it's laborious), and
b) eve
On Oct 25, 2012, at 12:32 PM, Jeff Squyres (jsquyres) wrote:
> 1. sm NetPipe latencies up to size 150 bytes (run on a Sandy Bride, 2 procs
> same core)
s/core/socket/
--
Jeff Squyres
jsquy...@cisco.com
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Attached are the following graphs:
1. sm NetPipe latencies up to size 150 bytes (run on a Sandy Bride, 2 procs
same core)
2. openib NetPipe latencies up to size 150 bytes (run on 2 old Xeons
[pre-Nehalem] with old Mellanox ConnectX IB HCAs)
3. Same as #1, but all the way up to 8MB
4. Same as #2,
