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Date: Fri, 04 Sep 2009 15:50:06 +0200
From: Olivier Scalbert <olivier.scalbert@algosyn.com>
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Subject: Re: Ada Shootout program for K-Nucleotide (patches)
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Date: 2009-09-04T15:50:06+02:00
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Ludovic Brenta wrote:
> On Sep 4, 12:17 pm, 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=20000000 --leak-check=yes
>> ./knucleotide.gnat_run < fasta/fasta25m.dat
>>
>> 25 minutes later ...
>> callgrind_annotate --inclusive=yes --tree=both --auto=yes
>> callgrind.out.14048  > 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.

What an impressive program !
Should I rerun with --dump-instr=yes and --trace-jump=yes ?
(I run it on a 32 bits linux)

Olivier