Bug#732836: ben: tracker could do with a performance enhancement

[Stéphane Glondu <glondu@debian.org>]

Le 22/12/2013 13:03, Niels Thykier a écrit :
>>> In particular, it seems to be very slow for ben files containing a lot
>>> of "OR" relations; even if these are exact package names (see attached
>>> file).
>>
>> Did you try:
>>
>>   .depends ~ "foo|bar"
>>
>> instead of:
>>
>>   .depends ~ "foo" | .depends ~ "bar"

Sorry, I actually meant ~ /foo|bar/

The code for ~ "foo" does indeed look suboptimal (to say the least)...

> Thanks for the tip; it does seem to improve the general performance of
> these files considerably.  Now all 40 files on release.d.o are processed
> in 3m and 30 seconds[1].  Previously it was 7 minutes excluding the one
> I attached (which seemed to take more than 20 minutes alone).

Is the result right with double quotes?

> It does not seem like the "|" inside a string is documented on ben.d.n[2].

It is captured by <regex>.


Cheers,

-- 
Stéphane