Chapter 2. Application integration 119
Support for the HFI global counter of the IBM POWER7 server, which replaced the global
counter of the high performance switch as a time source.
A new messaging API called PAMI, which replaces the LAPI interface that is used in
earlier versions of Parallel Environment. In addition to providing point-to-point messaging
support, PAMI provides support for collective communications. This collective support is
used by PE MPI when it is appropriate. LAPI is still supported by PE, but its use is
deprecated, and users must migrate to PAMI.
A new run queue-based co-scheduler, in addition to the POE priority adjustment
co-scheduler. The run queue-based co-scheduler uses features of AIX 7.1 and the
POWER7 architecture ...