toolsuite for performance oriented programmers


Likwid is a simple to install and use toolsuite of command line applications for performance oriented programmers. It works for Intel and AMD processors on the Linux operating system.

It consists of:

likwid-topology - print thread and cache topology likwid-features - view and toggle feature reagister on Intel processors likwid-perfctr - configure and read out hardware performance counters
                        on Intel and AMD processors
likwid-powermeter - read out RAPL Energy information and get info about
                        Turbo Mode steps
likwid-setFrequencies - read out RAPL Energy information and get info about
                        Turbo Mode steps
likwid-memsweeper - cleans up filled NUMA memory domains and evicts dirty
                        cacheline from cache hierarchy
likwid-pin - pin your threaded application (pthread, Intel and gcc
                        OpenMP to dedicated processors
likwid-bench - Micro benchmarking platform likwid-gencfg - Dumps topology information to a file likwid-mpirun - Wrapper to start MPI and Hybrid MPI/OpenMP
                        applications (Supports Intel MPI and OpenMPI)
likwid-scope - Frontend to the timeline mode of likwid-perfctr, plots
                        live graphs of performance metrics

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Install likwid