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Re: Speed of Ocave vs Matlab?


From: chechu
Subject: Re: Speed of Ocave vs Matlab?
Date: Wed, 9 Sep 2015 03:50:09 -0700 (PDT)

Good morning, it has taken a while but we have tested the given script on the
very same computer with the last stable releases of octave. This way it
seems a fair comparative.

Host computer details:

GNU/Debian 8.0 Jessie amd64
Intel Core i5-4200U - Portable - 2 cores - 4 threads with hyperthreading
8Gbytes RAM
Openblas 0.2.14
LLVM 3.3

ALL tests with octave/libraries single-threaded

---- No big differences ----


Octave 3.6.4


Median results
size   100 time     0.1595 
size   200 time     0.6576 
size   300 time     1.9180 
size   400 time     3.1008 
size   500 time     5.3241 
size   600 time     9.7821


Octave 3.8.2 - JIT Enabled


Median results
size   100 time     0.1710 
size   200 time     0.6614 
size   300 time     1.8991 
size   400 time     3.0877 
size   500 time     5.3217 
size   600 time     9.8336 


Octave 3.8.2 - JIT Disabled


Median results
size   100 time     0.1641 
size   200 time     0.6634 
size   300 time     1.9230 
size   400 time     3.1107 
size   500 time     5.2869 
size   600 time     9.8104 


Octave 4.0.0 - JIT Enabled


Median results
size   100 time     0.1849 
size   200 time     0.6627 
size   300 time     1.9341 
size   400 time     3.0775 
size   500 time     5.3132 
size   600 time     9.8861


Octave 4.0.0 - JIT Disabled


Median results
size   100 time     0.1773 
size   200 time     0.6737 
size   300 time     1.9490 
size   400 time     3.0896 
size   500 time     5.3405 
size   600 time     9.7848



Thanks, Chechu



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