Re: Please build the JIT branch

[fotios]

On 07/12/2012 08:02 AM, marco atzeri wrote:
> On 7/11/2012 12:00 AM, Max Brister wrote:
> > JIT is still pretty limited, it will not compile loops with any
> > function calls, even builtin functions (except for sin, cos, and exp).
> > It also only supports linear matrix indexing. For an example of a
> > function which can be compiled, see
> > http://jit-octave.blogspot.com/2012/06/realistic-test.html.
> >
> > Max Brister
>
> On cygwin , it build fines with LLVM 3.1
>
> 1e6 elements , K=500
>
> 3.7.0+
> Elapsed time is 3.104 seconds.
> Elapsed time is 18.054 seconds.
>
> JIT branch
> Elapsed time is 2.672 seconds.
> Elapsed time is 0.031 seconds.
>
> Regards
> Marco
On Ubuntu 12.04 with LLVM 3.0
./configure LLVM_CONFIG=/usr/bin/llvm-config-3.0

n =  1000000
K =  500

* * * Octave 3.6.2
t_vec =  6.1705
t_loop =  7.9199

* * * Octave 3.7.0+ without JIT
t_vec =  6.1758
t_loop =  8.9876

* * * Octave 3.7.0+ with JIT
t_vec =  6.1435
t_loop =  0.045255

/Fotis