We are happy to announce a new release 5.0.2 of LIKWID. It is mainly a bugfix release, but it also has some important updates for modern architectures (IBM Power9, AMD Zen[2]). If you want to use LIKWID on AMD Zen/Zen2 systems, we highly recommend updating. Thanks to HLRS and LANL for valuable input.

Here is the full Changelog:

• Fix memory leak in calc_metric()
• New peakflops benchmarks in likwid-bench
• Fix for NUMA domain handling
• Improvements for perf_event backend
• Fix for perfctr and powermeter with perf_event backend
• Fix for likwid-mpirun for SLURM with cpusets
• Fix for likwid-setFrequencies in cpusets
• Update for POWER9 event list
• Updates for AMD Zen, Zen+ and Zen2 (events, groups)
• Fix for Intel Uncore events with same name for different devices
• Fix for file descriptor handling
• Fix for compilation with GCC10
• Remove sleep timer warning
• Update examples C-markerAPI and C-internalMarkerAPI

Get the download from our FTP server: ftp://ftp.fau.de/mirrors/likwid/

Problems with GPU measurements on recent Nvidia GPUs are not addressed with this release. The fixes will be part of the 5.1.0 release (including support for Fujitsu A64FX and ARM Neoverse N1).