On 8/19/13 8:18 AM, Jason Grout wrote:
The ATLAS FAQ indicates that auto-tuning is usually worse than using architecture defaults: http://math-atlas.sourceforge.net/faq.html#ArchDef
("usually" may be an overstatement. The FAQ indicates that you should test to see if architecture defaults are better than auto-tuning, and that in the same environment as the architecture defaults were designed, the architecture defaults stand a very good chance of being better.)
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