Ompt state wait barrier implicit parallel #9
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1. parallel_data at level 0 present, but not at outer levels (1, 2, etc.), even though there are few levels of nested regions. 2. The same region descriptor may be passed multiple times to ompt_callback_parallel_end.
1. ompt_state_wait_barrier_implicit_parallel has been used instead of deprecated ompt_state_wait_barrier_implicit 2. In function __ompt_get_task_info_internal, check if prev_team exists before getting master_id.
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When a thread enters the last implicit barrier of a parallel region, its state should be set to: ompt_state_wait_barrier_implicit_parallel according to OpenMP TR 9.
Inside __ompt_get_task_info_internal function, check if prev_team exitst and then try to get information about master_tid.