Re: [octave] file i/o performance

[Søren Hauberg]

Keith Goodman wrote:
> On 5/25/05, Søren Hauberg <address@hidden> wrote:
>
> > I had parts of strcmp implemented in C++, so I just finished it. For the
> > tests I have performed this is about 40 times faster than the version
> > shipped with Octave. Use it if you like...
>
>
> That should speed up many parts of Octave since strcmp is used all
> over the place. Do I compile this with mkoctfile?
Yep! You simply do:
        mkoctfile strcmp.cc

and place the resulting strcmp.oct somewhere in your path. You can make 
sure you're using the compiled version with
        which strcmp

/Søren

> $ grep -irl strcmp . | grep script
> ./scripts/audio/loadaudio.m
> ./scripts/audio/playaudio.m
> ./scripts/audio/saveaudio.m
> ./scripts/ChangeLog
> ./scripts/control/base/__bodquist__.m
> ./scripts/control/base/__freqresp__.m
> ./scripts/control/base/are.m
> ./scripts/control/base/bode.m
> ./scripts/control/system/__sysgroupn__.m
> ./scripts/control/system/c2d.m
> ./scripts/control/system/cellidx.m
> ./scripts/control/system/d2c.m
> ./scripts/control/system/dmr2d.m
> ./scripts/control/system/listidx.m
> ./scripts/control/system/sysconnect.m
> ./scripts/control/system/sysdimensions.m
> ./scripts/control/system/sysgetsignals.m
> ./scripts/control/system/sysout.m
> ./scripts/control/system/sysscale.m
> ./scripts/control/system/syssetsignals.m
> ./scripts/control/system/syssub.m
> ./scripts/control/system/sysupdate.m
> ./scripts/control/util/sortcom.m
> ./scripts/finance/fv.m
> ./scripts/finance/nper.m
> ./scripts/finance/pmt.m
> ./scripts/finance/pv.m
> ./scripts/general/isa.m
> ./scripts/general/repmat.m
> ./scripts/general/strerror.m
> ./scripts/image/colormap.m
> ./scripts/image/imshow.m
> ./scripts/image/saveimage.m
> ./scripts/linear-algebra/norm.m
> ./scripts/miscellaneous/computer.m
> ./scripts/miscellaneous/fullfile.m
> ./scripts/plot/__pltopt1__.m
> ./scripts/plot/axis.m
> ./scripts/plot/close.m
> ./scripts/plot/grid.m
> ./scripts/plot/plot_border.m
> ./scripts/set/unique.m
> ./scripts/signal/freqz.m
> ./scripts/signal/stft.m
> ./scripts/statistics/base/mean.m
> ./scripts/statistics/tests/cor_test.m
> ./scripts/statistics/tests/kolmogorov_smirnov_test.m
> ./scripts/statistics/tests/kolmogorov_smirnov_test_2.m
> ./scripts/statistics/tests/prop_test_2.m
> ./scripts/statistics/tests/sign_test.m
> ./scripts/statistics/tests/t_test.m
> ./scripts/statistics/tests/t_test_2.m
> ./scripts/statistics/tests/t_test_regression.m
> ./scripts/statistics/tests/u_test.m
> ./scripts/statistics/tests/var_test.m
> ./scripts/statistics/tests/welch_test.m
> ./scripts/statistics/tests/wilcoxon_test.m
> ./scripts/statistics/tests/z_test.m
> ./scripts/statistics/tests/z_test_2.m
> ./scripts/strings/CVS/Entries
> ./scripts/strings/str2double.m
> ./scripts/strings/strcmp.m
> ./scripts/strings/strcmpi.m
> ./scripts/strings/strjust.m
> ./scripts/strings/strmatch.m
> ./scripts/DOCSTRINGS



-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
-------------------------------------------------------------