[Cookie-users] Using PAPI on Cookie

[Boyana Norris]

Hi Albert,

Yes, we've been using PAPI quite extensively -- the most recent installed version is 3.6.2 and you can check whether the counters you are interested are supported by running

 /disks/soft/papi-3.6.2/bin/papi_avail

and if there is an event that's not supported, it is most likely still available natively -- you can check those names with papi_native_avail. 

Boyana

--
Boyana Norris, Computer Scientist       |   Email: norris at mcs.anl.gov
Argonne National Laboratory             |   Phone: +1 (630) 252 7908 
http://www.mcs.anl.gov/~norris/         |   Fax:   +1 (630) 252 5986 

----- Original Message -----
From: "Albert Hartono" <hartonoa at cse.ohio-state.edu>
To: "cookie-users" <cookie-users at lists.mcs.anl.gov>
Sent: Friday, May 1, 2009 6:59:44 PM GMT -06:00 US/Canada Central
Subject: [Cookie-users] Using PAPI on Cookie

Hi All,

Has anybody successfully tried using PAPI on Cookie to perform hardware
counting (e.g., cache hits/misses)? I tried it a couple months ago, but
(if my memory is not mistaken) some low-level instructions are not
supported by PAPI for the Xeon architecture, thus can't assess the cache
behavior.

Thanks,
--Albert



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