gcc vs. icc

Genes MailLists lists at sapience.com
Fri Apr 29 20:05:06 UTC 2011

On 04/29/2011 02:57 PM, Tom Horsley wrote:

> That was what we found when testing icc as well. I suspect
> only the lunatics that designed such an insane architecture
> actually know how to generate the best possible code for it :-).

  icc has support for improved floating point performance - tho I have
never seen significant differences for the integer case.

  See, for example this from 2007 on #pragma ivdep:


  Be nice if gcc had similar optimizations.

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