Sebastien Lelong wrote:
>
> Just an idea. My script to compile all samples uses the SVN directory
> structure (not the release structure with a single /lib include
> directory). For the '-s' compiler parameter a string of
> include-directories is built, but only those directories are included
> which actually contain any .jal files. This string is with me about
> 800 bytes and contains 25 directories. When I remember correctly you
> do a similar thing, but are you also selective (skipping empty
> directories)?
>
>
> No, I'm not selective, but it behaves the same whatever the compiler.
> This might explain differences between your measures and mine, but
> not within a same system.
True, I was thinking about the factor 10 difference.
More measurements:
Same run as previously, now on an Intel P4 2800 MHz, 512 MB RAM.
First under eCS compiler 2.4l: 187 seconds, almost the same as on my AMD
X2 3800! This was with the files on a JFS-formatted volume. The same but
the files on a FAT32 volume (same harddisk): 291 seconds. The eCS FAT32
driver is known to be rather slow.
Then I did a run with under Windows. Regina Rex script interpretor,
Compiler 2.4l (files on the FAT32 volume): 205 seconds, and the 2.4mbeta
compiler: 196 seconds.
The measurements seem to be consistent: 2.4m is faster than 2.4l here,
although under eCS a larger difference than under Windows.
It would take me some more time to repeat the runs under Linux and I
doubt if it is very useful...
Just out of curiosity I tried parallel compilation (starting a
new thread for every compilation) on my dual-core AMD. Now all samples
compile in about 100 seconds, with both CPUs at 100%!
Regards, Rob.
--
Rob Hamerling, Vianen, NL (http://www.robh.nl/)
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