Version 3.2.1 of Performance Application Programming Interface
Release Notes: This release adds support for the AIX/POWER5 platform and Pentium D dual core processors. It improves support for the Cray XT3 and fixes support for the Itanium platform. There are many bugfixes and minor enhancements.
Other releases
Release Notes: Default support for libpfm4. PERF_COUNT_SW software events are available under perf_events with libpfm4. Nehalem/Westmere/SandyBridge event support is ready, but support is not yet available in the Linux kernel. A new utility to display PAPI error codes and description strings. Support for handling multi-attach properly. The CUDA component is now thread-safe. Multiple CPU threads can access the same CUDA context. A lot of code cleanup. Support for AMD Bobcat, Intel SandyBridge, and ARM Cortex-A8 and Cortex-A9. Many bugfixes.
Release Notes: This release adds support for AMD Family 15h (Interlagos) processors, an NVIDIA CUDA component (pending the release of CUDA 4.0), and support for POWER7/AIX. There are assorted bugfixes.
Release Notes: Support was improved for Linux, FreeBSD, the Intel Nehalem, and Matlab. Support for the Intel Westmere was added.
Release Notes: Support was added for the PCL (Performance Counters for Linux) interface. Support was added for the IBM Blue Gene P, Intel Nehalem EX and Westmere, Intel Core i7, Intel Atom, AMD Opteron Barcelona, Shanghai, Istanbul event table support, POWER7 w/ Linux, and Sun Niagara2. Windows and UltraSPARC support was reintroduced. Components for FreeBSD were updated to support newer processors. Support for Intel CoreDuo was fixed. Building of shared and static libraries independently was added. Experimental Lustre and Infiniband components were added. Many bugfixes and minor enhancements were made.
Release Notes: Major bugfixes for POWER5, POWER5+, and POWER6 processors, particularly bugs that caused PAPI to fail completely on POWER6/AIX platforms. Initial support for the Intel Atom and Dunnington CPUs has been added.
