yodaiken> On Tue, Nov 09, 1999 at 05:17:30PM +0100, Jes Sorensen
yodaiken> wrote:
yodaiken> PPC turns cache off and zeros during idle task. This is a
yodaiken> major performance win. We measured.
>> And Jakub just told us it wasn't a win under the same conditions
>> on the Sparc64.
yodaiken> It depends on how you do it, on the architecture, and on
yodaiken> what you measure. Lmbench is an invaluable hint, but it is
yodaiken> not definitive. If kernel compiles speed up by 20%, you
yodaiken> knpw something.
Now DaveM already posted good reason why lmbench was a bad bench for
this ... now did you in fact see a 20% speedup on kernel compiles? I
for some reason strongly doubt that.
Jes
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