[csw-maintainers] TeXLive packaging take almost 3 days

[Peter FELECAN]

Dagobert Michelsen <dam at opencsw.org> writes:

> Hi Peter,
>
> Am 29.11.2012 um 22:30 schrieb Peter FELECAN <pfelecan at opencsw.org>:
>> I confirm a 50 times optimization for pathfilter.
>> 
>> As for cswproto, still a hog, here is some additional profiling data:
>> 
>> Total Elapsed Time = 1184.726 Seconds
>>  User+System Time = 1060.576 Seconds
>> Exclusive Times
>> %Time ExclSec CumulS #Calls sec/call Csec/c  Name
>> 98.1   1040. 1040.6 112180   0.0093 0.0093  main::is_common
>> 0.09   0.980  0.980 112164   0.0000 0.0000  main::exclude
>> 0.01   0.069  0.236      7   0.0099 0.0337  main::BEGIN
>> 
>> As you can see the time is spent is determining if the components are
>> part of the common package. I understood that in the future we get rid
>> of that but in the mean time we need to find a quicker way to determine
>> that relation. With the current optimization we probably can package
>> TeXLive in 1.5 days which is still too much...
>
>
> Indeed… That was not what I had expected by looking at the code as I would have guessed
> it takes most of the time for during mkproto. I did some optimization on the regex-part,
> it should now be a lot faster:
>   http://sourceforge.net/apps/trac/gar/changeset/19800
>
> Please let me know if you encounter any other performance issues.

I can confirm that this fix reduces the step by one order of magnitude,
i.e., from 30 minutes for this specific prototype to 3 minutes!

Thank you again for your work
-- 
Peter