[Distrs] Salutations

[Nikos Alexandris]

Yann Chemin wrote:

> Hi Nikos,
> 
> There are two sets of distributed suites, one using OpenMP (complete) and a
> small one using OpenCL (incomplete but few simple modules are there).

Thank you Yann.  I will try to have a look at his next week.  Earlier it is 
impossible.
 
> In any case I suggest you take any of the directory inside prog/ or progcl/
> that you are most familiar with (i.e. prog_NDVI is always an easy take) and
> compile it in your computer (make clean; make). After that, use any input
> required (for NDVI, Red and NIR) and run the module. The distribution of
> processing is done within the dataset processed, i.e. all pixels are loaded
> in RAM, then each receives pixels as available and process the image
> required.

Sounds easy :-p

> for OpenMP (prog/ directory) distribution, I suggest you use a biggish
> image (1Gb per input band) to see a significant change with 4/8
> core/threads. It scales well, you can try bigger and more cores/threads.

Will do so.
 
> Cheers,
> Yann
> 
> PS: if your CPU is INTEL, go in the BIOS and enable HyperThreading, it will
> double you number of cores, works very well for such type of processing
> distribution.

Working with a Xeon E5-2630 here. Funtoo sees 12 cores, so I guess it's 
allready at max.

Nikos