diff options
| author | Roland Haas <rhaas@caltech.edu> | 2012-04-09 16:22:00 -0700 |
|---|---|---|
| committer | Barry Wardell <barry.wardell@gmail.com> | 2012-09-11 18:23:14 +0100 |
| commit | 88275a3e018f803b833594fa33d43696d54a9a1b (patch) | |
| tree | 63177b83e5f8dbc050820248704aea8eb99cb3f3 /Carpet/Carpet/src/SetupGH.cc | |
| parent | 13b119ae15e14186fc7b5a72db8153d62bcc8d0e (diff) | |
Carpet: get thread number from CarpetLib's dist object
Diffstat (limited to 'Carpet/Carpet/src/SetupGH.cc')
| -rw-r--r-- | Carpet/Carpet/src/SetupGH.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/Carpet/Carpet/src/SetupGH.cc b/Carpet/Carpet/src/SetupGH.cc index da68b3162..d0a2bf375 100644 --- a/Carpet/Carpet/src/SetupGH.cc +++ b/Carpet/Carpet/src/SetupGH.cc @@ -200,6 +200,7 @@ namespace Carpet { dist::set_num_threads (num_threads); int const mynthreads = dist::num_threads(); int const nthreads_total = dist::total_num_threads(); + int const mythreadnum = dist::thread_num(); char const * const CACTUS_NUM_PROCS = getenv ("CACTUS_NUM_PROCS"); int const cactus_num_procs = CACTUS_NUM_PROCS ? atoi (CACTUS_NUM_PROCS) : 0; @@ -241,7 +242,7 @@ namespace Carpet { "Although OpenMP is enabled, neither the environment variable OMP_NUM_THREADS nor the parameter Carpet::num_threads are set. A system-specific default value is used instead."); } CCTK_VInfo (CCTK_THORNSTRING, - "This process contains %d threads", mynthreads); + "This process contains %d threads, this is thread %d", mynthreads, mythreadnum); if (not CACTUS_NUM_THREADS) { CCTK_VWarn (CCTK_WARN_COMPLAIN, __LINE__, __FILE__, CCTK_THORNSTRING, "Although OpenMP is enabled, the environment variable CACTUS_NUM_THREADS is not set."); @@ -356,7 +357,7 @@ namespace Carpet { { cpu_set_t cpumask; CPU_ZERO(&cpumask); - CPU_SET(n0 + omp_get_thread_num(), &cpumask); + CPU_SET(n0 + mythreadnum, &cpumask); int const ierr = sched_setaffinity(0, sizeof(cpumask), &cpumask); assert (not ierr); } |