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Re: DDD slow on Solaris

From: Arnaud Desitter
Subject: Re: DDD slow on Solaris
Date: Fri, 19 Oct 2001 16:39:04 +0100

Milan Schulte wrote:
> Dear DDD-Team,
> we are using DDD for several years and are very happy with it, thank you.
> But we've a problem with DDD (currently 3.2.1) on Solaris 2.6 (versions
> of DDD before 3.2 have had the same problem).
> On Linux DDD 3.2.1 (now 3.3) works very fast, but on Solaris e.g. the
> SourceFile-Browser (File-Menu->OpenSource) takes up to a minute until
> it shows the file list, sometimes it is empty after that time.
> The overall performance (DataDisplay, Stepping through code, ...) is very
> poor/slow for large executables/projects.
> FYI: We are using no threads; one shared lib gets loaded via dlopen;
> GNU gdb is version 4.17; Compiler is g++ 2.95.2 (19991024)
> Are there any known influences on performance of DDD when using Solaris ?
> Any hints appreciated

There was a lot of memory leaks in ddd. Some are corrected in the latest 
distribution (3.3.x). Most of them are fixed in the CVS respository. The 
last ones are plugged with a patch available at

Once patched, ones get nearly zero leaks under purify.

I would suggest you to get the version from the CVS repository,
possibly applied the patch and see if the situation improves.


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