On 04/23/2015 08:28 AM, Dave Hansen wrote:
> On 04/23/2015 02:13 PM, Liang Li wrote:
>> When compiling kernel on westmere, the performance of eager FPU
>> is about 0.4% faster than lazy FPU.
>
> Do you have an theory why this is? What does the regression come from?
>
This is interesting since previous measurements on KVM have had the
exact opposite results. I think we need to understand this a lot more.
-hpa
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