RE: Performance tuning.

[Venu Reddy]

Hi,
What is the current status of this performance tuning.
Have the code changes been submitted and performance benefits
verified. I really could use some speed improvements with fop,
I have some very large reports 400/500 pages that are taking
5+ minutes to run.

Thanks,

Venu Reddy

P.S: I am willing to apply the code changes to my version
of fop(0.20.4), test it and submit the results on my large
fo files.

-Original Message-
From: Martin Poeschl [mailto:mpoeschl;marmot.at]
Sent: Thursday, October 17, 2002 11:48 PM
To: [EMAIL PROTECTED]
Subject: Re: Performance tuning.


Henrik Olsson wrote:

 Hi.
 I have runned several performance tests on the FOP and and I have found
 out several bottle necks (especially in the PropertyListBuilder).
 Most things is about reducing gc and some others about not so well written
 code.

 The result of this tunings gives me a speed of 3 time faster than the
 original FOP.

WOW!!!

 So what do I do to get the code in to the fop-project (the problems are
 both in the fop 0.20.4 and in the DEV 1.0).

 I have also figured out some more thing but they are not so general but it
 makes the FOP as fast as a comersial tool written in C++ (StreamServe).

could you make your patched version available somewhere???
if you don't have a server, just send it to my private mail and i'll put it
in my home_dir at the
apache server ;-)

martin



 Henrik.




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RE: Performance difference between Unix and PC

[Venu Reddy]

I got much better performance on a PC running NT as compared to
Linux running on a much better machine. I was able to
get better performance on Linux using IBM's java engine
as opposed to Sun's engine.

Hope this helps.

Venu Reddy.

-Original Message-
From: GUILBERT Nicolas SIReS [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, December 18, 2001 7:16 AM
To: [EMAIL PROTECTED]
Subject: Performance difference between Unix and PC


Who can explain the huge performance difference we experience between
using FOP on a NT server or a PC on one side, or on a unix platform on
the other side.

Is it normal ? Is FOP built to run on PC or NT ? As it is a java
library, it is supposed to work on all platform ?

Thanks.
Nicolas

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RE: Performance

[Venu Reddy]

I had 
better performance using IBM's jre/java as opposed to Sun's version - on 
Linux.

Venu 
Reddy

  -Original Message-From: Alenka Skrbinek 
  [mailto:[EMAIL PROTECTED]]Sent: Wednesday, October 17, 2001 
  10:29 PMTo: [EMAIL PROTECTED]Subject: 
  Performance
  
  
  I have performance problems with Fop on 
  Linux for S390. The same document (for example 4 tables on one page) takes 3 
  seconds on Win NT, while it takes more than one minute on Linux. The same 
  happens with examples which came with FOP - they are slow on Linux. What 
  should I do? 
  
  Thanks!!