A question about bytecodes + unsigned load performance ./. add performace
Christian.Thalinger at Sun.COM
Tue Jan 20 13:12:44 PST 2009
On Tue, 2009-01-20 at 11:22 -0800, Tom Rodriguez wrote:
> I think on an out of order machine that much of this simply gets
> hidden, especially when there's a lot of load and store traffic. Try
> measuring a loop without stores, maybe something that simply sums the
Good idea. I will try that tomorrow.
> Sparc would benefit from this much more since it's in order
> and sign extending loads introduce a bubble in the pipeline.
We have a SPARC at the university, but I guess Sun has also some
machines I could use, right? :-)
Could someone point me to the right machines I am allowed to use?
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