Re: [poppler] poppler 0.29 pdftoppm much slower than poppler 0.20 ?

2014-12-28 Thread Albert Astals Cid
El Diumenge, 28 de desembre de 2014, a les 16:55:27, Anthony Wesley va 
escriure:
 I downloaded and compiled poppler-0.28.0, and the pdftoppm speed is fine in
 that version, the same as in the old version I've been using - 0.20.5.
 
 It seems that some change between 0.28.0 and 0.29.0 is causing a 6x slowdown
 in pdftoppm, at least in the test cases I'm using...

You should get the code from git and bisect which of the commits between 0.28 
and 0.29 introduced the regression.

There are not too many so it should be relatively straight forward.

Cheers,
  Albert

 
 regards, Anthony
 
 On 12/27/2014 04:24 PM, Anthony Wesley wrote:
  Hi, I'm upgrading my copy of poppler for the first time in a while, I've
  been using 0.20.5 but now I've downloaded 0.29.0 and I'm finding that
  pdftoppm is *much* slower under the new version, maybe 5x or 6x slower.
  
  Is this already known, and for a good reason? Sorry if this is already
  understood.
  
  I'm using a recent centos 6, 64 bit linux and the following configure
  command:
  
  ./configure --prefix=/usr/local --disable-libjpeg --disable-libopenjpeg
  
  forcing poppler to use the builtin jpeg library. This is the same config
  as for the old version I have (0.20.5).
  
  regards, Anthony

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Re: [poppler] poppler 0.29 pdftoppm much slower than poppler 0.20 ?

2014-12-27 Thread Anthony Wesley

I downloaded and compiled poppler-0.28.0, and the pdftoppm speed is fine in 
that version, the same as in the old version I've been using - 0.20.5.

It seems that some change between 0.28.0 and 0.29.0 is causing a 6x slowdown in 
pdftoppm, at least in the test cases I'm using...

regards, Anthony

On 12/27/2014 04:24 PM, Anthony Wesley wrote:

Hi, I'm upgrading my copy of poppler for the first time in a while, I've been 
using 0.20.5 but now I've downloaded 0.29.0 and I'm finding
that pdftoppm is *much* slower under the new version, maybe 5x or 6x slower.

Is this already known, and for a good reason? Sorry if this is already 
understood.

I'm using a recent centos 6, 64 bit linux and the following configure command:

./configure --prefix=/usr/local --disable-libjpeg --disable-libopenjpeg

forcing poppler to use the builtin jpeg library. This is the same config as for 
the old version I have (0.20.5).

regards, Anthony



--
Anthony Wesley
Smart Networks Pty Ltd
Acquerra Pty Ltd

awes...@smartnetworks.com.au
Phone: (+612) 62270891 or 0458090971

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