Re: Octave 3.8.2-rc1 release candidate available for ftp

[Michael D. Godfrey]

On 06/09/2014 12:57 PM, José Luis García Pallero wrote:

2014-06-08 14:50 GMT+02:00 José Luis García Pallero <address@hidden>:

> Debian Sid (64 bits), GCC 4.8.2, LLVM 3.3
>
> ./configure --prefix=/opt/octave/ CFLAGS=-O3 CXXFLAGS=-O3 FFLAGS=-O3
> --with-blas=/opt/openblas/lib/libopenblas.so
> --with-lapack=/usr/lib/lapack/liblapack.so --enable-jit
>
> Summary:
>
>   PASS     11589
>   FAIL         0
>   XFAIL        7

A little bit more information:

Intel Core2 Duo P9600, 2.66GHz. for loop tests (cpufreq governor 'performance'):

a = 1; b = 1; tic; for i=1:1000; for j=1:1000; a = a + b; end; end; toc
Elapsed time is 1.90254 seconds.

jit_enable (1)
a = 1; b = 1; tic; for i=1:1000; for j=1:1000; a = a + b; end; end; toc
Elapsed time is 0.00493097 seconds.

>
> See the file test/fntests.log for additional details.
>
> --
> *****************************************
> José Luis García Pallero
> address@hidden
> (o<
> / / \
> V_/_
> Use Debian GNU/Linux and enjoy!
> *****************************************

-- 
*****************************************
José Luis García Pallero
address@hidden
(o<
/ / \
V_/_
Use Debian GNU/Linux and enjoy!
*****************************************

These results suggest that keeping JIT available with current LLVM
may be worth it. The patch that does this is attached.

llvm-3.4-3.5pre.patch
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