Added

• Initial support for GPU TALP metrics (includes NVIDIA and AMD support)
• Added a new and more robust support for MPI Fortran 2008 bindings
• New binary dlb_mpi to check affinity in MPI environments
• Flags --gpu-affinity and --uuid for dlb and dlb_mpi to show
  GPU visibility
• New instrumentation events for OMPT callbacks
• New API DLB_DROM_SetProcessMaskStr to set masks using a human-readable input
• New DLB Python bindings

Changed

• --talp-output-file now creates missing directories if able
• DLB_TALP_CollectPOPMetrics can be called now from non-MPI apps

Fixed

• Fixed TALP Global region not being started if no MPI or OpenMP
• Replace PAPI reset calls with regular reads to improve performance
• Add several PAPI init checks
• Fixed several LeWI features in async mode

Added

• Added documentation for DLB_DROM_FLAGS_NONE argument
• Other minor documentation corrections

Changed

• Remove MPI Fortran 2008 bindings check at configure time; bindings remain
  disabled pending new interception method

Fixed

• Fixed compilation error with GCC 15
• Fixed errors in the OpenMP thread manager during initialization
• Fixed some OpenMP thread manager logic for SMT systems
• Fixed bug in DLB_MonitoringRegionReset; region was not being removed from
  an internal list of open regions
• Stop instrumentation after MPI_Finalize to avoid unwanted interactions with
  external libraries

Added

• Add dlb_mpi binary to display CPU affinity and MPI rank
• Add more verbose messages for OMPT events
• Add implicit-task-end OMPT event to add consistency to Cray OpenMP

Fixed

• Fixed several errors with CPU topology parsing
• Removed deprecated options and struct members in examples

Added

• Add --disable-sphinx-doc, --disable-doxygen, and --disable-pandoc
  to configure script to disable the automatic detection of each tool

Fixed

• Fixed several bugs with CPU affinity masks detection and parsing
• POP metrics conditional printing improved for MPI/OpenMP detection
• Fix some compilation errors with clang-19, nvc, and nvfortran
• Improved documentation in user guide
• Several other minor fixes

TALP- Pages 3.5.1

• Bugfix: Enable the generation of OpenMP only scaling tables
• Bugfix: Disable warning for chained assignments in newer pandas versions

Added

• Asynchronous support for classic LeWI
• Several SMT enhancements for LeWI policies
• Allowed to override lewi classic/mask with --lewi-affinity
• TALP POP metrics now includes experimental OpenMP hybrid metrics
• TALP global region is now exposed in the API
• TALP-Pages, a new tool for Continuous Performance Monitoring in static HTML pages
• Add flag --talp-region-select to filter active regions
• SLURM integration via dlb_taskset
• CMake config for other projects to link with DLB
• Several examples and documentation reworked
• DLB version information can be accessed though the API

Changed

• --talp-summary has been simplified and now pop-metrics also includes raw
  metrics if using an output file, and process metrics now includes node
  identifiers
• TALP now only stores monitoring regions in shared memory if
  --talp-external-profiler is set
• TALP output structure has been reworked
• TALP main region is now called "Global"

Fixed

• LeWI mask now correctly supports threads blocked in MPI calls while pinned to
  multiple CPUs
• Add sanity checks for hardware counters in TALP
• Print JSON and CSV files in the proper locale

Deprecated

• --talp-summary values for pop-raw and node are deprecated
• TALP output format XML is now deprecated
• --talp-regions-per-proc flag is deprecated for a new experimental
  --shm-size-multiplier flag
• Several fields in dlb_monitor_t are now deprecated
• Several fields in dlb_pop_metrics_t are now deprecated
• DLB_MonitoringRegionGetMPIRegion deprecated in favor of
  DLB_MonitoringRegionGetGlobal
• DLB_Stats_GetCpuStateIdle functionality no longer provided
• DLB_Stats_GetCpuStateOwned functionality no longer provided
• DLB_Stats_GetCpuStateGuested functionality no longer provided

Fixed

• Fix an error in the shared memory alignment that was causing
  segmentation faults when compiling with -march=native
• Avoid registering role shifting callbacks for other non-related
  OpenMP thread managers
• Update examples with supported options
• Fix some parameters in the Fortran'08 interface
• Be more resilient if PAPI fails to initialize
• Enhance compatibility in other systems
• Quote string names in csv files
• Several other minor fixes

Added

• PAPI support for TALP metrics
• libdlb_mpic.so and libdlb_mpic_*.so are C MPI only libraries
  that may be built using --enable-c-mpi-library at configure time
• Functions to reset, stop, start and report monitoring regions now
  accept the special argument DLB_MPI_REGION for the implicit region
• Function DLB_TALP_QueryPOPNodeMetrics for third-party applications
  to query pop metrics. Requires --talp-external-profiler.
• Named barriers and several API functions to manage them
• Added --lewi-barrier and --lewi-barrier-select to fine-tune
  which barriers activate LeWI.
• Added --lewi-color to select specific key only for LeWI

Changed

• libdlb_mpif.so and libdlb_mpif_*.so are no longer built by default,
  only if --enable-fortran-mpi-library is set at configure time
• Flag --quiet now only suppresses INFO and VERBOSE, added new flag
  --silent to keep the old functionality to suppress all messages
• Refactor DLB_TALP_CollectNodeMetrics to
  DLB_TALP_CollectPOPNodeMetrics and add communication efficiency
• TALP now appends to CSV files if they already exist

Fixed

• Fixed wrong generated code for MPI_Initialized and MPI_Finalized

Deprecated

• --lewi-ompt no longer accepts "mpi" nor "aggressive" as values.
  Automatic LeWI via synchronization calls is now done with
  --lewi-mpi-calls for MPI and --lewi-barrier or
  --lewi-barrier-select for DLB Barriers.

Fixed

• Fixed wrong generated code for MPI_Initialized and MPI_Finalized

Added

• Free agent and Role-shift OMPT thread managers to support LeWI with both
  implementations
• Flag --ompt-thread-manager to select which OpenMP implementation to use
• MPI Fortran 2008 bindings
• TALP flag to generate file in different output formats --talp-output-file
• New TALP collective functions to gather and compute metrics:
  DLB_TALP_CollectPOPMetrics and DLB_TALP_CollectNodeMetrics

Changed

• libdlb_mpi.so and libdlb_mpi_*.so have now both C and Fortran MPI symbols

Fixed

• Fixed DROM pre-initialization if child had empty cpuset affinity
• Fixed --lewi-max-parallelism
• Fixed several TALP bugs
• Fixed some finalization errors during MPI finalize
• Fixed cpuset parsing when provided a non-contiguous mask

Added

• Flag --verbose to enable all verbose modes
• Flag --talp-summary=pop-raw to print raw POP metrics
• Flag --lewi-respect-cpuset to allow LeWI to use CPUs not yet registered

Changed

• DROM can now steal all CPUs from one process
• DROM can now inherit a subset of CPUs from other process
• DLB_DROM_SetProcessMask to oneself does not longer require a DLB_pollDROM
• DLB_Lend in OpenMP applications now invokes the OpenMP runtime to change
  the number of threads

Fixed

• Fixed TALP regions enabled or registered only on some processes
• Fixed minor option parsing