Re: i686 quirk for AMD Geode

From: H. Peter Anvin
Date: Tue Nov 10 2009 - 16:33:47 EST


On 11/10/2009 01:21 PM, Matt Thrailkill wrote:
> On Tue, Nov 10, 2009 at 12:54 PM, Pavel Machek <pavel@xxxxxx> wrote:
>> *One* CMOV in the inner loop will make your performance go down 20x.
>
> This is 20x slower than not running at all, right?

And that's the fundamental win of doing a fullscale emulator: you will
always be able to run, at *some* performance level.

-hpa

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