XO battery/performance [Devel Digest, Vol 76, Issue 4]
smithbone at gmail.com
Sat Jun 2 08:30:21 EDT 2012
>> > I'm very suspect of this measurement. The 1.5 has
>> a hardware floating
>> > point unit and the 1.75 is still using
>> soft-float. Its extremely unlikely
>> > that the floating point performance on 1.75 is better
>> than the 1.5.
>> Hard FP status depends on if Yioryos is running 11.3.1 or
>> 12.1.0. Since he
>> said "os10" by today's date I'm presuming 12.1.0.
>> The Fedora 17 builds should be hard fp (armv7hl). The
>> Fedora 14-based
>> 11.3.1 builds are not (armv5tel / armv7l kernel).
> For the LMbench test the XO-1.75 was funning F17/21012o2 with the correct kernel per dsd's suggestion (
Ok.. I'm still a bit unconvinced though. I would expect the FP unit
on the x86 to still beat the ARM.
Richard A. Smith
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