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Re: gprof Octave 4.2.1 and 4.3.0 with gcc 6.3


From: Andreas Weber
Subject: Re: gprof Octave 4.2.1 and 4.3.0 with gcc 6.3
Date: Fri, 5 Jan 2018 09:23:33 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2

Am 04.01.2018 um 23:30 schrieb Andreas Weber:
> I was able to build Octave 4.2.1 tarball with gcc 6.3.0 and gprof on
> debian stretch with

New gprof out, both configured with

../octave-src/configure CFLAGS=-pg -no-pie -O2 CXXFLAGS=-pg -no-pie -O2
--disable-java --disable-docs --without-qt --without-fftw3
--without-fltk --enable-static --disable-dl --disable-shared --no-create
--no-recursion

and run with

$ ./octave-cli --eval "a = 1; b = 1; tic; for i=1:1000; for j=1:1000; a
= a + b + 123.0; end; end; t1=toc()"

$ gprof octave-cli > octave-4.x.y.gprof

-----------------------------------------------------

hg id d68d1096d294 (current tip)
t1 = 8.1644
https://josoansi.de/files/octave-4.3.0.gprof

-----------------------------------------------------

hg id 1327ea4f5a93 (4.2.1 source tarball)
t1 =  3.3694
https://josoansi.de/files/octave-4.2.1.gprof

-----------------------------------------------------

I think this is a good start, isn't it?

-- Andy



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