[Beowulf] Q: AMD Opteron (Barcelona) 2356 vs Intel Xeon 5460

Eric Thibodeau kyron at neuralbs.com
Wed Sep 17 16:46:11 EDT 2008


Greg Lindahl wrote:
> On Wed, Sep 17, 2008 at 03:43:36PM -0400, Eric Thibodeau wrote:
>
>   
>> Also, note that I've had issues with icc  
>> generating really fast but inaccurate code (fp model is not IEEE *by  
>> default*, I am sure _everyone_ knows this and I am stating the obvious  
>> here).
>>     
>
> All modern, high-performance compilers default that way. It's certainly
> the case that sometimes it goes more horribly wrong than necessary, but
> I wouldn't ding icc for this default. Compare results with IEEE mode.
>
> -- greg
>   
Guess gcc isn't part of that gang. I haven't had the chance to play with 
the commercial compilers other than icc. ;)
> _______________________________________________
> Beowulf mailing list, Beowulf at beowulf.org
> To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
>   

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.clustermonkey.net/pipermail/beowulf/attachments/20080917/7fce65ae/attachment-0001.html>
-------------- next part --------------
_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf


More information about the Beowulf mailing list