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[Caml-list] DFT in OCaml vs. C
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Date: 2003-03-27 (20:41)
From: Issac Trotts <ijtrotts@u...>
Subject: Re: [Caml-list] DFT in OCaml vs. C
Markus Mottl wrote:

>On Wed, 26 Mar 2003, Issac Trotts wrote:
>>The results on my 1 GHZ Pentium III Linux box:
>>real    0m21.273s
>>user    0m21.200s
>>sys     0m0.040s
>>real    1m51.602s
>>user    1m47.020s
>>sys     0m0.260s
>Well, another insignificant benchmark... ;-)
>My timings on a 2.4 GHZ Pentium IV using GCC 2.95.4 and the latest
>CVS-checkout of OCaml:
>real    0m24.920s
>user    0m24.900s
>sys     0m0.020s
>real    0m30.397s
>user    0m30.390s
>sys     0m0.000s
>The difference you have observed on your machine is most likely due to
>cache effects and possibly also due to compiler differences (GCC version).
Probably, but the C version doesn't seem as sensitive to these things.


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