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RE: Borland C++ and Expat - performance hit.

  • To: <xml-dev@l...>
  • Subject: RE: Borland C++ and Expat - performance hit.
  • From: "Stephen Graham" <sg3@b...>
  • Date: Tue, 30 Jul 2002 17:40:27 +1000
  • Cc: "zhengyu" <zhengyu@a...>
  • Importance: Normal
  • In-reply-to: <006e01c23798$98729d00$483aea0c@a...>

expat performance
I'm judging the performance subjectively - I haven't compiled any data on
it. I am just going by how long it takes for my application to load a fixed
format XML file.

I have used SAX with Java and have been very pleased with the performance.
It's almost as good if not equal to the equivalent code in C/C++.

As you've probably learned from you Java tests it is quite easy to use SAX.
It's just as easy in C++ so I suggest you give it a go, that way you'll be
able measure the performance in a way suitable for your project.

In addition I suggest that your decision on whether to use C or Java should
not be based on the minor performance differences between XML parsing with
SAX in Java or C.

Best of luck.


> -----Original Message-----
> From: zhengyu [mailto:zhengyu@a...]
> Sent: Tuesday, 30 July 2002 17:13
> To: Stephen Graham
> Subject: Re:  Borland C++ and Expat - performance hit.
> Hello,
>  Just wondering if you have any performance data on C++ parser,
> as well as your system performance.  Also do you compare C++ with
> Java, and do you have any explanation on the differences?
>   I have done some test on Java recently, with the intention to choose
> between
> C and Java for my next project. Your response would be extremely helpful.
> Thanks,
> Jimmy Zhang
> ----- Original Message -----
> From: "Stephen Graham" <sg3@b...>
> To: <xml-dev@l...>
> Sent: Monday, July 29, 2002 9:04 PM
> Subject:  Borland C++ and Expat - performance hit.
> > Hello,
> >
> > I've been testing an application that uses EXPAT on a clean install of
> > Windows XP. It was working perfectly well, and EXPAT in particular was
> > extremely fast. After I loaded Borland C++ Builder 5 onto the system the
> > performance of EXPAT was greatly reduced.
> >
> > I've now un-installed C++ Builder, but the performance of EXPAT has not
> > returned to what it originally was.
> >
> > I think it's fairly obvious that C++ Builder has replaced a
> system library
> > module with a debug version or something like that.
> >
> > Before I start digging to find out which libraries are involved
> I though I
> > would ask in this list whether anybody has already figured this out.
> >
> > Has anybody tackled this problem?
> >
> > Regards
> > Stephen Graham.
> >
> >
> > -----------------------------------------------------------------
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