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8d55033c96
Details:
- Implemented Ricardo Magana's distributed thread info/communicator
management. Rather that fully construct the thrinfo_t structures, from
root to leaf, prior to spawning threads, the threads individually
construct their thrinfo_t trees (or, chains), and do so incrementally,
as needed, reusing the same structure nodes during subsequent blocked
variant iterations. This required moving the initial creation of the
thrinfo_t structure (now, the root nodes) from the _front() functions
to the bli_l3_thread_decorator(). The incremental "growing" of the tree
is performed in the internal back-end (ie: _int()) function, and so
mostly invisible. Also, the incremental growth of the thrinfo_t tree is
done as a function of the current and parent control tree nodes (as well
as the parent thrinfo_t node), further reinforcing the parallel
relationship between the two data structures.
- Removed the "inner" communicator from thrinfo_t structure definition,
as well as its id. Changed all APIs accordingly. Renamed
bli_thrinfo_needs_free_comms() to bli_thrinfo_needs_free_comm().
- Defined bli_l3_thrinfo_print_paths(), which prints the information
in an array of thrinfo_t* structure pointers. (Used only as a
debugging/verification tool.)
- Deprecated the following thrinfo_t creation functions:
bli_packm_thrinfo_create()
bli_l3_thrinfo_create()
because they are no longer used. bli_thrinfo_create() is now called
directly when creating thrinfo_t nodes.