on Rodent directory reading speed (Auke Kok)

Edscott Wilson Garcia edscott at xfce.org
Mon Jun 27 19:27:20 CEST 2011

> Thunar: first read: ~18s
> > 	second read: ~3.6s
> >
> > Rodent: first read: ~24s
> > 	second read: ~5.9s
> >
> >
> > So the differences are not huge (~2s on second read)
>well, the numbers speak for themselves really:
>1st read: Rodent is 33% slower
>2nd read: Rodent is 64% slower
>Given a 2k dentry size, this seems a significant difference even in
>pure statistical terms.

In pure statistical terms, you would need to analyse how many times your
typical advanced user is going to be accessing 2k dentry size records.

Take me, for example. I spend 99% of my filemanager time oblivious of
/usr/bin or /usr/lib. If I spend 2 hours in directories where the read
time difference is insignificant, what's 6 seconds of 2 hours? I lose
much more time in other filemanagers without the ability to type exactly
what you need in the exact location you need it. (I still lose time in
Rodent for the lack of bash completion, but that's on the roadmap to solve.)

Anyways, does anybody know what happened to that 2k dentry size called
/dev and that was getting bigger all the time?




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