Intel releases VTune 2.0 for linux

Will Cohen wcohen at redhat.com
Wed Feb 11 14:59:24 UTC 2004


Vincent wrote:
> On Tue, 10 Feb 2004 10:02:49 -0500
> Will Cohen <wcohen at redhat.com> wrote:
> 
> -SNIP-
> 
> 
>>OProfile has been used to find performance problems in Red Hat applications:
>>
>>http://people.redhat.com/wcohen/wwc2003/
>>http://mail.gnu.org/archive/html/classpath/2003-08/msg00004.html
>>
>>Fixing the performance problems identified by OProfile yielded about 15% 
>>reduction in the build time for mozilla on ia64 (wwc2003 paper). In the 
>>second URL OProfile identified a significant performance problem in the 
>>exception handling library used by gcj and yielded a much faster version 
>>of the Eclipse IDE.
>>
>>-Will
>>
>>
>>
>>-- 
> 
> 
> Thank you, first I've heard of OProfile and the Intel price tag is nuts.
> OProfile sounds like a real winner according to the Eclipse thread. 

You're welcome. OProfile really helps identify the problem areas in 
code. There will be an article about OProfile in Wide Open Magazine 
(https://www.redhatmagazine.com/). The article optimizes dcraw which 
converts raw image files from a digital camera into Portable PixMap 
(PPM) files.

-Will






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