Search found 3 matches

by ProtzeJoachim
Wed Nov 25, 2020 7:01 am
Forum: Using OpenMP
Topic: doacross loops - implementations and performance
Replies: 6
Views: 16901

Re: doacross loops - implementations and performance

For doacross loops, the possible concurrency depends on the choosen schedule. AFAIK, the implementation specific default schedule for gcc is static,blocked. In that case, the second thread can only start executing once the first thread reached the last iteration of it's block. At the end you see alm...
by ProtzeJoachim
Mon Aug 29, 2016 5:30 am
Forum: Using OpenMP
Topic: OpenMP Tools (OMPT) interface support
Replies: 1
Views: 3839

Re: OpenMP Tools (OMPT) interface support

There is no final spec of OMPT yet. For this reason you currently cannot find OMPT in any release version of OpenMP runtime libraries. You can download the open-source Intel runtime at: Or you can checkout the openmp repository from LLVM:
by ProtzeJoachim
Thu Jul 02, 2015 7:40 am
Forum: OpenMP 4.0 API Specifications
Topic: Scope of active-levels-var / levels-var
Replies: 0
Views: 19446

Scope of active-levels-var / levels-var

Hi everyone, I currently work on the OpenMP debugging interface (OMPD). While checking the scopes of all the ICVs, I found that the scope of active-levels-var and levels-var is data environment . Based on this specification, every task should have knowledge on this ICVs. Is there a good reason why t...