likwid-4.3.3

• Fixes for likwid-mpirun
• Fixes for events of Intel Skylake SP and Intel Broadwell
• Support for Intel CascadeLake X (only new eventlist, uses code from Intel Skylake SP)
• Fix for bitmask creation in Lua
• Event options for perf_event backend
• New assembly benchmarks in likwid-bench
• MarkerAPI: Function to reset regions
• Some new performance groups (DIVIDE and TMA)
• Fixes for AMD Zen performance groups
• Fix when using topology input file
• Minor bugfixes

likwid-4.3.2

• Fix in internal metric calculator
• Support for Intel Knights Mill (core, rapl, uncore)
• Intel Skylake X: Some fixes for events and perf. groups
• Set KMP_INIT_AT_FORK to bypass bug in Intel OpenMP memory allocator
• AMD Zen: Use RETIRED_INSTRUCTION instead of fixed-purpose counter for metric calculation
• All FLOPS_* groups now have vectorization ratio
• Fix for MarkerAPI with perf_event backend
• Fix for maximal/minimal uncore frequency
• Skip counters that are already in use, don't exit
• likwid-mpirun: minor fix when overloading a host
• Improved detection of PCI devices

likwid-4.3.1

Minor fixes for Intel Skylake and frequency module

likwid-4.3.0

• Support for Intel Skylake SP architecture (core, uncore, energy)
• Support for AMD Zen architecture (core, l2, energy)
• Support for Intel Goldmont Plus architecture
• Pinning strategy 'balanced'
• New Lua based calculator
• Support for Intel PState CPU frequency daemon

Minor:

• Fixed MCDRAM measurements on Intel Xeon Phi (KNL) with perf_event back end

Merry Christmas

likwid-4.2.1

• Fix for logical selection strings
• likwid-agent: general update
• likwid-mpirun: Improved SLURM support
• likwid-mpirun: Print metrics sorted as they are listen in perf. group
• likwid-perfctr: Print metrics/events as header in timeline mode
  Redirect to file when -o switch is used
• likwid-setFrequency: Commandline options to set min, max and current frequency
• Pinning-Library: Automatically detect and skip shepard threads
• Intel Broadwell: Added support for E3 (like Desktop), Fix for L3 group
• Intel IvyBridge: Fix for PCU fixed-purpose counters
• Intel Skylake: Fix for events CYCLE_ACTIVITY, new event L2_LINES_OUT
• Intel Xeon Phi (KNL): Fix for overflow register, Update for ENERGY group
  OFFCORE_RESPONSE events are now tile-specific
• Intel SandyBridge: Fix for L3CACHE group
• Event/Counter list contains only usable counters and events
• Fix and warning message for static library builds

likwid-4.2.0

• Support for Intel Xeon Phi (Knights Landing): Core, Uncore, RAPL
• Support for Uncore counters of some desktop chips (SandyBridge, IvyBridge, Haswell, Broadwell and Skylake)
• Basic support for Linux perf_event interface instead of native access. Currently only core-local counters working, Uncore is experimental
• Support to build against a existing Lua installation (5.1 - 5.3 tested)
• Support for CPU frequency manipulation, Lua interface updated
• Access module checks for LLNL's msr_safe kernel module
• Support for counter registers that are only available when HyperThreading is off
• Socket measurements can be used for all cores on the socket in metric formulas.

The LIKWID team wishes Merry Christmas to everyone.

likwid-4.1.2

• Fix for likwid-powermeter: Use proper energy unit
• Fix for performance groups for Intel Broadwell (D/EP): DATA and FALSE_SHARE
• Reduce number of started access daemons
• Clean Uncore unit local control registers (needed for simultaneous use of LIKWID 3 and 4)
• Clean config, filter and counter registers at *_finalize function
• Fix for likwid-features and likwid-perfctr

likwid-4.1.1

• Fix for Uncore handling for EP/EN/EX systems
• Minor fix for Uncore handling on Intel desktop systems
• Fix in generic readCounters function
• Support for Intel Goldmont (untested)
• Fixes for likwid-mpirun

likwid-4.1.0

• Support for Intel Skylake (Core + Uncore)
• Support for Intel Broadwell (Core + Uncore)
• Support for Intel Broadwell D (Core + Uncore)
• Support for Intel Broadwell EP/EN/EX (Core + Uncore)
• Support for Intel Airmont (Core)
• Uncore support for Intel SandyBridge, IvyBridge and Haswell
• Performance group and event set handling in library
• Internal calculator for derived metrics
• Improvement of Marker API
• Get results/metrics of last measurement cycle
• Fixed most memory leaks
• Respect 'Intel PMU sharing guide'
• Update of internal Lua to 5.3
• More examples (C++11 threads,Cilk+, TBB)
• Test suite for executables and library
• Accuracy checker supports multiple CPUs
• Security checked access daemon
• Likwid-bench supports Integer benchmarks
• Likwid-bench selects interation count automatically
• Likwid-bench has new FMA related benchmarks
• Likwid-mpirun supports SLURM job scheduler
• Reintroduced tool likwid-features

likwid-4.0.1

• likwid-bench: Iteration determination is done serially
• likwid-bench: Manual selection of iterations possible
• likwid-perfctr: Set cpuset to all CPUs not only the first
• likwid-pin: Set cpuset to all CPUs not only the first
• likwid-accuracy.py: Enhanced plotting functions, use only instrumented likwid-bench
• likwid-accessD: Check for allowed register for PCI accesses
• Add models HASWELL_M1 (0x45) and HASWELL_M2 (0x46) to likwid-powermeter and likwid-accessD
• New test application using Cilk and Marker API
• New test application using C++11 threads and Marker API
• likwid-agent: gmetric version check for --group option and s/\s*/_/ in metric names
• likwid-powermeter: Print RAPL domain name
• Marker API: Initialize access already at likwid_markerInit()
• Marker API: likwid_markerThreadInit() only pins if not already pinned