Search found 2 matches

by yeluo
Wed Jan 10, 2018 11:20 am
Forum: TR6 - OpenMP 5.0 Draft Discussion
Topic: OMP_NESTED deprecation
Replies: 2
Views: 14543

Re: OMP_NESTED deprecation

I agree OMP_NUM_THREADS=AA,BB is sufficient to indicate 2 level nested parallel and the OMP_NESTED=true behaviour is expected. My concern is OMP_NUM_THREADS=AA and the code support 2 level parallel. What is the behaviour when OMP_NESTED is removed (I mean 6.0)? If it is the current OMP_NESTED=true b...
by yeluo
Sun Jan 07, 2018 8:57 pm
Forum: TR6 - OpenMP 5.0 Draft Discussion
Topic: OMP_NESTED deprecation
Replies: 2
Views: 14543

OMP_NESTED deprecation

I noticed that OMP_NESTED is labelled as deprecated. I would like to know the reason and the behaviour of applications after the change. There is an application having 2 level parallel regions. For small problem sizes, users are supposed to use only the first level since the second level doesn't sca...