I think the OS scheduler tries to balance the cpu's load avoiding that ipc
difference.
Rodrigo
Date: Mon, 24 Jun 2013 19:48:55 +0530
From: biswa....@gmail.com
To: gem5-users@gem5.org
Subject: Re: [gem5-users] Parsec and Alpha
why would the ipc be same?
On Mon, Jun 24, 2013 at 7:33 PM, Rodrigo Reynolds Ramírez
<rodrigo.r...@hotmail.com> wrote:
Hello everyone
I am currently working with parsec+alpha, I have executed some tests using the
small inputs using two cpus, is it normal to get a very unbalanced ipc? These
are my results:
Bench / IPC
CPU0
CPU1
blackscholes
1.659
0.338138
bodytrack
0.374274
0.319496
canneal
0.108077
0.529619
dedup
0.585347
0.292882
ferret
0.71402
0.337503
fluidanimate
1.493102
0.297794
freqmine
0.596511
0.305602
streamcluster
0.243343
0.303156
swaptions
0.24285
0.331316
vips
0.280734
0.403565
x264
0.491017
0.314645
For most benchmarks there is a big difference in the ipc between cpus, I would
think the ipc should be almost the same.
I am using the alpha image provided here http://www.cs.utexas.edu/~parsec_m5/,
I am using the memory classic model, checkpoints and the launcher scripts
generated with .rcS Run Script Generator.
Thanks in advance,
Rodrigo
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BISWABANDAN
http://www.cse.iitm.ac.in/~biswa/
“We might fall down, but we will never lay down. We might not be the
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