[macstl-dev] Fwd: running on intel emt64
glen.low at pixelglow.com
Mon Oct 3 10:18:22 WST 2005
FYI, macstl benchmarks on an Intel EM64T.
Begin forwarded message:
> From: "Damien DOLIMIER"
> Date: 3 October 2005 1:34:35 AM
> To: "'MacSTL'"
> Subject: RE: running on intel emt64
> The clock speed is 3.2Ghz with HT on and 1MB cache, of course! you
> may use
> this benchmark for your mailing list.
> -----Original Message-----
> From: MacSTL
> Sent: Sunday, October 02, 2005 2:28 AM
> To: Damien Dolimier
> Subject: Re: running on intel emt64
> The benchmarks look good. As expected only the complex multiply-add,
> predicate (?), slicing and power are not optimized with SSE so their
> multiplier over raw is close to 1.
> May I ask what the clock speed of your Pentium 840? Can I have
> permission to
> post this to our public mailing list: http://
> On 28/09/2005, at 3:47 PM, Damien Dolimier wrote:
>> thanks for your prompt reply,
>> the only modification I have made is -march=athlon64, the option
>> -fno-unit-at-time is correct
>> FYI, on my pentium 840:
>> Benching multiply add: 555555/sec 1.55556*std 1.5*raw.
>> Benching inner product: 666666/sec 1.73333*std 1.66667*raw.
>> Benching polynomial: 238095/sec 1.35714*std 1.07143*raw.
>> Benching hypotenuse: 227272/sec 2.68182*std 2.61364*raw.
>> Benching complex multiply add: 50505/sec 1.13131*std 0.388889*raw.
>> Benching predicate: 2500000/sec 16*std 5.75*raw.
>> Benching slicing: 250000/sec 0.925*std 1*raw.
>> Benching power: 5099/sec 1.00561*std 0.99745*raw.
>> Benching trigonometric: 16474/sec 31.8386*std 37.6804*raw.
>> thanks for your help,
Cheers, Glen Low
pixelglow software | simply brilliant stuff
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