Re: [Starpu-devel] OpenMP

[Samuel Thibault <samuel.thibault@ens-lyon.org>]

uma boregowda, le Sun 25 Mar 2012 06:04:50 +0530, a écrit :
> 5.8.1 Fork-mode parallel tasks
> 
> In the Fork mode, StarPU will call the codelet function on one of the CPUs 
> of
> the combined worker. The codelet function can use 
> starpu_combined_worker_get_size() to get the number of threads it is 
> allowed to
> start to achieve the computation. The CPU binding mask is already enforced, 
> so
> that threads created by the function will inherit the mask, and thus execute
> where StarPU expected. For instance, using OpenMP (full source is available 
> in 
> examples/openmp/vector_scal.c):
> 
> 
> pl tell me how threads are handled by starpu.

They are not handled.

> Did not understand the line -
> 
> The CPU binding mask is already enforced, so that threads created by the
> function will inherit the mask, and thus execute where StarPU expected

What don't you understand, precisely? Do you understand "binding mask"
for instance?

Samuel