Re: ANN: Linux Function Reordering Tool v0.1b

[<tm_gccmail at kloo dot net>]

It sounds like you're reinventing GNU Rope.

You may want to look at this:

http://www.nat.org/grope.pdf

Toshi


On Thu, 6 Jan 2005, Brandan C Lennox wrote:

> Hi everyone,
> 
> We're releasing into the public a new tool for reordering functions in
> Linux libraries and executables.  Here is a blurb from the
> introduction posted on the website:
> 
> ---
> 
> The software that was built for this project will ultimately be used
> in improving the performance of Linux applications that depend on
> shared libraries. By profiling the program and analyzing the behavior
> of function calls throughout its lifetime, the tool will provide a way
> to rebuild the applications and libraries such that highly-dependent
> functions are placed near to each other in memory. This should
> decrease the amount of time spent swapping data from disk to memory
> and reduce the frequency of misses in the translation lookaside buffer
> (TLB).
> 
> ---
> 
> Currently, the tool exists as a small shell/Perl script which gathers
> information from existing profiling tools (Valgrind/Callgrind) and
> outputs a new ordering in a GNU ld linker script.  This is a very
> early release and is not intended for production use yet.  It works
> only on x86.
> 
> Please feel free to peruse the site.  We appreciate any help you all
> would care to offer.
> 
>     http://www.bclennox.com/reorder/
> 
> Thanks,
> 
> Brandan, Alex, and Will
>