[Omp] How can I (slightly) modify the OpenMP runtime?

James Beyer beyerj at cray.com
Wed Oct 17 09:14:48 PDT 2007


Yang,

Each implementation has its own runtime.  If you want to experiment with a runtime, your best bet is probably the gnu implementation.  This will afford you complete access to both the implementation and the runtime.

james

> -----Original Message-----
> From: omp-bounces at openmp.org [mailto:omp-bounces at openmp.org] On Behalf Of
> DING, Yang
> Sent: Wednesday, October 17, 2007 10:24 AM
> To: omp at openmp.org
> Subject: [Omp] How can I (slightly) modify the OpenMP runtime?
> 
> Dear all,
> 
> I am thinking to make some improvement in the OpenMP runtime.
> Basically I want to slightly change the thread creation for the loop
> parallelism. I guess no work is done at compile time for creating the
> threads because the number of threads is set as environment variable.
> Therefore, I am looking at the runtime support.
> 
> Is there anyone who has similar experience? I just want to make some
> small changes which I guess won't require too much work. However, I do
> not know how to start and cannot find the source codes to work on. Any
> suggestions are greatly appreciated.
> 
> Many thanks,
> Yang
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