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Subject: Re: [geda-user] A fileformat library (Text format perfomance issue, anyone ? )
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From: John Doty <jpd AT noqsi DOT com>
In-Reply-To: <20160105213330.c221e82463e2b9e272230eaa@gmail.com>
Date: Tue, 5 Jan 2016 16:15:01 -0500
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On Jan 5, 2016, at 3:33 PM, Nicklas Karlsson =
(nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com] =
<geda-user AT delorie DOT com> wrote:

>>>> . a binary file might be smaller, but that does not matter much
>>>=20
>>> I wrote an app that used a tree-like data file for storage.  It
>>> supported both ascii and binary formats.  Not only was the binary
>>> format significantly smaller, but loaded 10x faster.  Parsing text
>>> files and adapting to the incoming data is more expensive than you
>>> think.
>>=20
>> But for gEDA, it=92s a small overhead relative to everything else, =
especially if it allows you to use old-fashioned kilobyte tools rather =
than trendy megabyte tools for processing.
>=20
> To put it another way, did anyone draw schematics big enough to cause =
any considerable delay at startup?

The slow thing with big projects is building the actual netlist in =
gnetlist. It reads the files quickly, but then has to spend a lot of =
time chewing on the data before it calls the back end.

>=20
>=20
> Nicklas Karlsson
>=20

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com



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