From: Olivier Saut <osaut@...>
Date: 2012-09-09T16:38:55+09:00
Subject: Re: Using ruby for scientific computing

Hi, 

I had not thought of using Open CL. I'll check it. The last commits to the project dates back to two years ago.

Thanks ! 

Le 9 sept. 2012 à 08:06, Saji Hameed <saji@u-aizu.ac.jp> a écrit :

> On Sun, Sep 9, 2012 at 1:06 AM, Olivier Saut <osaut@airpost.net> wrote:
>> Hi all,
>> 
>> For pedagogic purposes, I am trying to solve simple partial differential
>> equations (say a diffusion equation on a regular mesh in 2D) with Ruby.
>> Using the NArray gem, I have built a satisfactory tool from an interface
>> (and ease of use) point of view but the performance are suboptimal.
>> 
>> I am now wondering what is the right way to improve my code
>> performance-wise. I am doing a lot of matrix-vector and vector-vector
>> products.
>> 
> 
> Sometime ago, there was a Google Summer of Code project to port NArray to OpenCL
> http://www.slideshare.net/scdn/5scdn-ruby-summer-of-code-narray-on-opencl
> https://github.com/kazuyukitanimura/narray
> 
> There is also this project http://ruby-opencl.rubyforge.org/, if you
> want to try multicore acceleration
> (as a means to speed up your code) with OpenCL. It should work with
> multicore cpus as well as GPUs
> 
> 
> saji
> -- 
> 
> Saji N Hameed,
> ARC-ENV, Center for Advanced Information Science and Technology,
> University of Aizu, Tsuruga, Ikki-machi,
> Aizuwakamatsu-shi, Fukushima 965-8580,
> Japan
> 
> Tel: +81242 37-2736
> Fax:+81242 37-2760
> email: saji@u-aizu.ac.jp
> url: http://www.u-aizu.ac.jp
> bib: http://www.researcherid.com/rid/B-9188-2009
> 

						       	                	- Olivier