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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: Ada Shootout program for K-Nucleotide (patches)
Date: Fri, 4 Sep 2009 05:37:26 -0700 (PDT)
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Date: 2009-09-04T05:37:26-07:00
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On Sep 4, 12:17=A0pm, Olivier Scalbert <olivier.scalb...@algosyn.com>
wrote:
> Mmmm, 3 blocks are still reachable. 3 workers ?

Yes, these are the task control blocks. Perhaps there is a way to
teach valgrind to ignore those as normal.

> Second, let's profile:
> $ valgrind --max-stackframe=3D20000000 --leak-check=3Dyes
> ./knucleotide.gnat_run < fasta/fasta25m.dat
>
> 25 minutes later ...
> callgrind_annotate --inclusive=3Dyes --tree=3Dboth --auto=3Dyes
> callgrind.out.14048 =A0> callgrind_out_14048.txt

OK, now try "kcachegrind callgrind.out.14048" and you can navigate
graphically in the call graph and see where the time is spent.

--
Ludovic Brenta.