performance in 64 bits machines.



On Fri, 21 Sep 2007, Vadim V. Zhytnikov wrote:

> P.U.Kruppa writes:
>
>>> Below you can see results in seconds of run_testsuite();
>>> for Maxima 5.12 on 32-bit and 64-bit Linux 2.6.18 both running on
>>> Athlon 64 X2 5600+ with 4Gb RAM (same machine, multi-boot):
>>>
>>>                32-bit        64-bit
>>> clisp 2.41        65            85
>>> gcl 2.6.8         16.8          18.2
>>> sbcl 1.0.5        24.8          25.6
>
> Real time for second run. By second I mean the following:
> Start maxima, run run_testsuite();, quit maxima.
> This is first run.  You can repeat this procedure
> several times. These are second, third and subsequent runs.
> The point is that timing of run_testsuite in first run
> is always a bit longer than in second, third etc.
O.K.: Although I seem to run an old slow beast here my time for 
AMD 64 @3 GHz, 2 GB RAM and sbcl: 54,3 s
(remember I had 205 s with clisp)

Greetings,

Uli.

Peter Ulrich Kruppa
Wuppertal
Germany