RE: Itanium2@900MHz slower than alpha@666MHz ?

From: Chen, Kenneth W <>
Date: 2003-10-25 06:36:32
>> One other neat thing about Itanium architecture is the capability of
>> it's performance counter.  It has capability to do cycle accounting
>> break-down the number of cycles that are lost due to various kinds of
>> micro-architectural events, it is based on CPU's actual stall cycles
>> the pipeline so you can see exactly where the stall is coming from to
>> eliminate any guess work.
>Are qprof and pfmon enough to do this ?


>> See electron compiler user's guide for PGO methodology:
>> .pdf
>Is this the same for 7.x ?

I think so.

- Ken
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Received on Fri Oct 24 16:37:05 2003

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