Re: [Tracker] PATCH: Faster PNG extractor
- From: Aleksander Morgado <aleksander lanedo com>
- To: Jonatan Pålsson <jonatan palsson pelagicore com>
- Cc: tracker-list gnome org
- Subject: Re: [Tracker] PATCH: Faster PNG extractor
- Date: Thu, 27 Jun 2013 16:48:49 +0200
On 27/06/13 16:26, Jonatan Pålsson wrote:
To start with, I would like to submit a patch containing a new extractor
for PNG files, which is faster than the original.
The reason behind the speed increase with this extractor compared to the
old extractor is that the new extractor seek()s out the metadata fields
in the PNG, rather than traverse the entire file to find them, as the
old extractor did (using libpng).
Could you share some numbers on which is the actual speed improvement?
E.g. extracting 1000 random PNGs before took Xs, now it takes Ys.
--
Aleksander
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