[parsec-users] Verifying correctness

Christian Bienia cbienia at CS.Princeton.EDU
Tue Oct 20 13:48:48 EDT 2009


Vivek,

No, it's not sufficient in general. Many benchmarks print very little or
nothing at all on the screen. You should check the output files in most
cases.

Also be aware that some programs use floating point computations, so there
are natural variations on different computer architectures due to limited
floating point accuracy. We looked into providing reference outputs for
PARSEC, but the floating point issue made it challenging.

- Chris


-----Original Message-----
From: parsec-users-bounces at lists.cs.princeton.edu
[mailto:parsec-users-bounces at lists.cs.princeton.edu] On Behalf Of Vivek Rane
Sent: Tuesday, October 20, 2009 1:09 PM
To: 'PARSEC Users'
Subject: [parsec-users] Verifying correctness

We need to verify that the execution on our functional simulator is  
correct; would it suffice to match the output printed to the screen to  
that for native execution for all benchmarks?

Thanks,
Vivek



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