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Am 04.07.2014 17:22, schrieb jhu:
> clipka <ano### [at] anonymous org> wrote:
>> Am 04.07.2014 03:34, schrieb Anthony D. Baye:
>>
>>> Note: Parse time on the newer machine was faster by almost a whole second, but
>>> Trace time was a bit more than twice as long.
>>>
>>> Any ideas why this might be?
>>
>> Maybe because the G5 uses an entirely different processor architecture? ;-)
>>
>> The IBM PowerPC architecture originates in the high performance
>> computing sector, where high precision floating point number crunching
>> is daily business, and the typical occupation of a CPU is to do just that.
>>
>> The Intel x64 architecture originates in the personal computing sector,
>> where daily business means office work, internet browsing and gaming,
>> and the typical occupation of a CPU is to wait for other system
>> components (most notably memory).
>
> Here are benchmarks from 2005 running Povray 3.6, PowerPC 970 @ 2.5 GHz vs.
> Opteron 240 (2.4 GHz). The Opteron from back then easily beats the 970.
> http://www.anandtech.com/show/1702/5
That was POV-Ray 3.6, i.e. single-thread performance (and also a
different benchmark scene).
> There's something not quite right with OP's setup.
Maybe the thermal throttling I mentioned?
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