likwid Changelog

New in version 3.0.0

December 3rd, 2012
  • Support for Intel SandyBridge Uncore (partial) and Intel IvyBridge (only core part).
  • A new application likwid-memsweeper to cleanup ccNUMA memory domains.
  • Initial support for Intel Xeon Phi (KNC).
  • Better support for AMD Interlagos.
  • The OpenMP type is now detected automatically while pinning.
  • Many bugfixes and improvements.
  • The marker API works for threaded code and accessDaemon.
  • Uncore support for timeline mode.
  • A convenient macro wrapper for Marker API.
  • Data volume as a new metric in all memory/cache groups. Updated Wiki documentation.

New in version 2.2.1 (June 24th, 2011)

  • Initial support for Intel Sandy Bridge (Core) in likwid-perfctr.
  • A new application, likwid-perfscope, as a frontend to the timeline mode of likwid-perfctr (experimental).
  • Initial support for OpenMPI in likwid-mpirun.
  • Improvements in likwid-msrD.
  • A native Fortran 90 interface for the Marker API.
  • A complete rewrite of the marker API.
  • Simplified usage.
  • Allows inclusive and overlapping regions.
  • A new output filter subsystem.
  • Allows you to define your own output file formats and filters.
  • By default, comes with CSV and XML formats.

New in version 2.1.3 (January 17th, 2011)

  • A hotfix for a build problem with direct MSR mode.
  • Millisecond resolution for likwid-perfctr daemon mode.
  • Improved error recovery for the MSR daemon.

New in version 2.1.2 (December 7th, 2010)

  • fixes bug in likwid-mpirun script.

New in version 2.0 (October 13th, 2010)

  • New application likwid-bench: A micro benchmarking platform
  • likwid-pin supports now logical pinning among a node or sockets
  • likwid-pin can set the NUMA mempolicy to interleave for an application
  • likwid-topology also reports now on the NUMA topology
  • likwid-perfCtr can print extensive documentation on the event groups
  • Event groups in likwid-perfCtr can now be easily extended or modified
  • Statistical output for threaded measurements in likwid-perfCtr
  • Silent switch for likwid-pin
  • Daemon mode for likwid-perfctr with lightweight monitoring
  • likwid-perfctr supports now the Intel Nehalem EX core events
  • Full support for AMD Magny Cours

New in version 1.1 (July 26th, 2010)

  • Version 1.1 fixes a problem if using the perfCtr marker API together with OpenMP and using likwid-pin for pinning.

New in version 1.0 (July 12th, 2010)

  • New Features:
  • Lots of small improvements and fixes
  • Support for Intel Westmere
  • Initial support for Intel Atom
  • Topology support for AMD Magny Cours