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Subject: Re: Gerbil 64-bit Speedup

Author: Slater Wold

Date: 07:30:39 03/30/04

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On March 30, 2004 at 04:40:06, Fabien Letouzey wrote:

>On March 30, 2004 at 04:25:25, Peter Fendrich wrote:
>
>>On March 30, 2004 at 01:35:13, Slater Wold wrote:
>>
>>>64-bit Gerbil compiled with -O2 -Og -Ot -Oy -Oi -Ob2 -GL:
>>>
>>>1,098,625 N/sec on opening position for 30s.
>>>
>>>32-bit Gerbil compiled with -O2 -Og -Ot -Oy -Oi -Ob2 -GL:
>>>
>>>1,094,747 N/sec on opening position for 30s.
>>>
>>>
>>>32-bit Gerbil that comes with source:
>>>
>>>1,115,953 N/sec on opening position for 30s.
>>
>>
>>What is 64-bit Gerbil - a re-write to 64-bit code or the same Gerbil on a 64-bit
>>cpu?
>>/Peter
>
>I think what Slater is doing is to compile source code with the same compiler in
>32-bit and 64-bit modes and compare the speed.  I don't think he modifies the
>source code in any way, so it is not a re-write.
>
>The tests are probably all made on the same 64-bit hardware.
>
>Fabien.

Correct.

I had planned to take the program with the slowest speedup, and try to clean it
up for 64-bit.  Looking like Fruit, so far!  :)



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