[Tilesathome] Saving a few cycles

[Christian Ehrlicher]

Henrik Niehaus schrieb:
> Good point! Crunching before splitting should save a lot of I/O and
> process management overhead. The question is, if the speedup is worth
> the effort?!?
> 
pngnq needs > 90% for calculating a (for me, I don't know anything about 
the algorithm) strange value. The other 10% are needed to do the acutal 
work. So we would gain much when this calculation is only needed once 
instead for every splitted tile.

Any hints where the splitting is done in the source code so maybe 
someone with to much time can take a look?



Christian