[MPICH] Response too slow! running "mpiexec -n 5 cpi"

[Rusty Lusk]

That is unusually slow.  I would expect it to take less than a second.
How long does it take to do mpdtrace?  You can time how long it takes
for a message to traverse the mpd ring with mpdringtest.  Use the -help
argument for each of these commands to find out more about them.

Rusty Lusk

From: 章少衡 <shc1515 at yahoo.com.tw>
Subject: [MPICH] Response too slow! running "mpiexec -n 5 cpi"
Date: Sun, 13 Aug 2006 18:53:41 +0800 (CST)

> Is it a normal operation?
> 
> After input the command
> mpiexec -n 5 cpi
> 
> it took almost 22 seconds to show the response 
> "
> Process 0 of 5 on server
> Process 1 of 5 on c2
> Process 2 of 5 on c4
> Process 3 of 5 on c3
> Process 4 of 5 on c1
> .....
> wall clock time = 0.005223
> "
> 
> Is it normal?
> 
> here is my system:
> 
> 3Com Baseline 10/100/1000 Switch 8-Port #3C16477
> AMD Athlon 64 4000+
> NVIDIA GeForce&#8482;6100 GPU + nForce&#8482;430 MCP
> 
> 
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> 
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