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[mkgmap-dev] [Patch] Faster access on zip boundaries

From Gerd Petermann gpetermann_muenchen at hotmail.com on Sat Mar 10 07:32:43 GMT 2012

Hi WanMil,

> Date: Fri, 9 Mar 2012 23:17:24 +0100
> From: wmgcnfg at web.de
> To: mkgmap-dev at lists.mkgmap.org.uk
> Subject: Re: [mkgmap-dev] [Patch] Faster access on zip boundaries
> Hi Gerd,
> sounds good. I've commited it.
> Did you ever measure how long it takes to instantiate a ZipFile? Each 
> time a bnd file is loaded the ZipFile is instantiated. If that takes too 
> long it might be better to instantiate it once and then reuse it.

I did not measure it, but it seems to be very fast, because in I don't
see it in the profiling tools that I use. Afaik it is memory mapped, so maybe 
the very first access is much slower.

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