uti: Workaround not to share CPU with OpenMP threads

* Assign uti thread to the last idle CPU so that it's not shared with
  an OpenMP thread

Change-Id: Ia42cae056ce81fde9b6dab6286b39a52f3c9e172
This commit is contained in:
Masamichi Takagi
2018-09-03 18:08:03 +09:00
parent dbba7dea18
commit 5cb8a1f10f
8 changed files with 34 additions and 14 deletions

View File

@ -143,6 +143,7 @@ struct program_load_desc {
long stack_premap;
unsigned long mpol_bind_mask;
int uti_thread_rank; /* N-th clone() spawns a thread on Linux CPU */
int uti_use_last_cpu; /* Work-around not to share CPU with OpenMP thread */
int nr_processes;
int process_rank;
char shell_path[SHELL_PATH_MAX_LEN];