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[Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux
From: |
Philip Nienhuis |
Subject: |
[Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux |
Date: |
Sat, 04 Apr 2015 12:24:17 +0000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:36.0) Gecko/20100101 Firefox/36.0 SeaMonkey/2.33 |
Follow-up Comment #3, bug #44703 (project octave):
I wouldn't care too much about Win XP.
FWIW, I see quite different results on my multiboot box (all OSes running on
bare metal):
64-bit Octave on Win7 64-bit:
=====================
>> tic; lintst; toc
100 / 100 passed
Elapsed time is 13.5458 seconds.
32-bit Octave on 64-bit Win7:
=====================
>> tic; lintst; toc
100 / 100 passed
Elapsed time is 10.9326 seconds.
64-bit Octave on 64-bit Linux
=================
>> tic; lintst; toc
100 / 100 passed
Elapsed time is 35.7887 seconds.
It was quite against my expectations to see 32-bit Octave being quite a bit
faster than 64-bit Octave; when reading & processing large .mat files at work
I often experience it differently.
I figured the slow results from the Linux side were probably due to having
reference BLAS rather than OpenBLAS. So I ran it again with a older
64-indexing 3.9.0+ build (built using MXE) where I had a symlink from
libblas.so-> libopenblas.so. Results:
octave:3> tic; lintst; toc
100 / 100 passed
Elapsed time is 36.582 seconds.
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- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux, Rik, 2015/04/02
- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux, John Donoghue, 2015/04/02
- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux, Rik, 2015/04/02
- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux,
Philip Nienhuis <=
- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux, Rik, 2015/04/04
- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux, Philip Nienhuis, 2015/04/04
- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux, Rik, 2015/04/05
- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux, Philip Nienhuis, 2015/04/06
- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux, Avinoam Kalma, 2015/04/10
- [Octave-bug-tracker] [bug #44703] 10X slowdown on Windows XP vs. Linux, Rik, 2015/04/10