Releases · siemens/embb

11 Jul 20:11

tobias-schuele

v1.0.0

35dc6e2

EMBB 1.0.0 Latest

Latest

Features:

Added support for heterogeneous systems in algorithms and dataflow
Added ForLoop function for parallel index-based loops
Added extension for MTAPI callback functions
Added job and task attributes for scheduling based on problem size
Added functions to retrieve context for OpenCL and CUDA plugins

Changes and improvements:

Added support for atomic operations provided by C11/C++11
Optimized spinlock implementation
Added default constructors for Group and Queue
Added test for exceptions in mtapi_cpp
Added initialization of affinity in execution policy constructors
Added initialization of user_data pointer in task attributes
Corrected return code for cancelled task in network plugin
Improved error handling in MTAPI CPP interface
Enabled reuse of main thread by default
Added explicit finalization of allocated elements in MTAPI pool
Removed spinlock from dataflow
Added initialization of clock listeners in dataflow
Changed dataflow so that sources are run within slice group
Changed iterators in containers to return pairs and added documentation
Added iterators to value pools and changed destruction of elements in object pools
Added initializers in unit tests
Resolved Coverity Scan warnings
Resolved warning when compiling with GCC 7.1

Bug fixes:

Fixed resource leak in unit test for pool
Fixed potential resource leak and remote task cancel handling in network plugin
Fixed MTAPI_CPP affinity test on single-core machines
Fixed handling of task error conditions encountered during execution
Fixed wrong allocation size in MTAPI C implementation
Fixed possible overflow in unit test for algorithms
Fixed problem in unit test where mutex could be destroyed while still being locked

Build system:

Added option for generating shared libraries
Added CMake package finder and use-script for integration of EMB² in applications
Added output for all options in CMake build script
Integrated Coverity Scan into Travis CI builds
Fixed linker problem with CUDA plugin
Fixed script that creates tarball and zip file
Updated .travis.yml

Documentation:

Added sample application (video processing)
Revised tutorial and converted to markdown format
Included generation of HTML and EPUB files (in addition to PDF)
Added example for CUDA plugin
Improved Doxygen documentation
Extended CONTRIBUTING file
Updated README file
Updated year in license headers
Fixed typos

Assets 4

23 Dec 08:50

marcus-winter

v0.5.0

b6ec901

EMBB 0.5.0

Features:

Enhanced C++ interfaces for MTAPI task handling
CUDA plugin for MTAPI task scheduler (experimental)
Added support for worker thread priorities
Added support for task priorities and affinities in dataflow_cpp

Changes and improvements:

Introduced threading analysis mode and added mutex-based atomics
Reduced number of test iterations in threading analysis mode
Replaced spinlocks with mutexes in threading analysis mode
Added initialization and destroy methods for atomics
Added initialization checks in debug mode for atomics
Resolved AppVerifier warnings
Added counter reset function
Removed double initializations of counters
Removed deletion of resources in timeout scenario
Improved portability on POSIX systems
Added big endian support for MTAPI attributes
Removed legacy group constructor in MTAPI
Resolved potential integer overflows on 32-bit targets
Added missing <sys/select.h>, removed inclusion of <memory.h>
Removed separate storage for internal task queues
Removed spinlock workaround
Resolved issue with Visual Studio 2012
Removed unnecessary value copy
Removed tasks_cpp component
Switched C style cast to C++ style cast in containers_cpp
Resolved problem with non-monotonic time readings and timeouts
Moved processing of sources in dataflow_cpp to worker threads
Added setter to enable main thread reuse
Added functionality to start function objects directly as tasks
Added tests for dataflow_cpp with and without main thread reuse
Added test for detached tasks
Added test to reproduce out-of-order execution of queued task when waiting for other tasks
Improved tests for base_cpp, mtapi_cpp, containers_cpp, dataflow_cpp

Bug fixes:

Fixed Pthread API error reported by helgrind
Fixed bug where notification of action was missing when a task finished
Fixed bug causing ordered queue to be deleted before last task finished
Fixed problem with network plugin and removed dead code
Fixed problem with mtapi_action_delete which was not blocking until all associtated tasks were completely deleted
Fixed race condition in task handling
Fixed incomplete initialization with user provided NodeAttributes
Fixed problem with ordered queues where tasks were executed out of order while waiting
Fixed behavior of retained tasks
Fixed bug in handling of canceled tasks causing the network test to hang
Fixed handling of detached tasks in conjunction with retaining queues and multi-instance tasks
Fixed automatic initialization in mtapi_cpp
Fixed handling of tasks executed during a wait operation
Fixed deletion of detached tasks
Fixed bug in MTAPI scheduler related to dataflow_cpp

Build system:

Performed analysis using AppVerifier
Fixed path problems in tarball and zip creation
Added creation of zip release files
Added message if documentation build is enabled but Doxygen is not found
Updated Travis CI integration
Fixed build on FreeBSD
Added installation of PDB files in Visual Studio debug builds
Added missing install directive for config header
Resolved warning in hazard pointer implementation
Changed CMake scripts (caching of install prefix)

Documentation:

Revised and updated README.md
Added CONTRIBUTING.md
Improved examples for mtapi_cpp
Updated and extended Doxygen documentation
Updated license headers in MTAPI plugin sources

Assets 4

13 May 20:22

marcus-winter

v0.4.0

560a935

EMBB 0.4.0

Features:

Added consistency checking functionality to dataflow
Added C++ wrapper for base_c logging functions
Reworked dataflow_cpp interface for easier usage

Changes and improvements:

Improved network plugin with better error checking and task cancellation support
Revised dataflow_cpp so that network token count can now be set at runtime
Added automatic determination of token count to dataflow_cpp
Added checks for NULL pointers in C interface functions
Extended mtapi_info_t to conform to the standard
Fixed CodeSonar warnings across the code base
Changed spinlock implementation to yield every 1024 spins now
Changed asserts on interface visible parameters to execeptions
Enabled reuse of main thread, which is configurable via node attributes

Bug fixes:

Fixed problem causing low performance on the Jetson TK1 board
Fixed bug in mtapi_c causing a task wait to hang
Fixes issue with the AMD APP SDK in the OpenCL plugin
Fixed problem with automatic initialization in tasks_cpp
Fixed memory leaks in tests

Build system:

Removed dependency on an installed OpenCL SDK
Moved all MTAPI plugins into folder mtapi_plugins_c
Resolved MSVC warnings and build problem

Documentation:

Updated README to reflect new directory structure
Updated Doxygen documentation of dataflow_cpp for the improved interface
Updated tutorial and examples to show the usage of dataflow_cpp

Assets 3

27 Nov 09:20

bernhard-gatzhammer

v0.3.2

bc33eee

EMBB 0.3.2

Features:

Added central spinlock implementation for C/C++ and removed existing (decentral) ones

Changes and improvements:

Reworked and optimized hazard pointer implementation
Adjusted interfaces of value pool and object pool
Replaced C style casts

Bug fixes:

Fixed ordering of destruction and deallocation in value pool
Fixed potential use of uninitialized memory in WaitFreeArrayValuePool and LockFreeTreeValuePool

Build system:

Given user the ability to append compiler flags
Let Cmake return an error on Doxygen warnings when WARNINGS_ARE_ERRORS is enabled
Fixed cpplint warnings