>
> Do you mean we should fix modeling of divisions there as well? I don't have
> latency/throughput measurements for those CPUs, nor access so I can run
> experiments myself, unfortunately.
>
> I guess you mean just making a patch to model division units separately,
> leaving latency/throughput as in current incorrect models, and leave it to
> manufacturers to correct it? Alternatively, for AMD Bobcat and Bulldozer we
> might be able to crowd-source it eventually.
Actually for older cores I think the manufacturers do not care much. I
still have a working Bulldozer machine and I can do some testing.
I think in Buldozer case I was basing the latency throughput on data in
Agner Fog's manuals. How do you test it?
Honza
