Release Notes » Release 4.1.0 (Master)

Taskflow 4.1.0 is the newest developing line to new features and improvements are actively introduced and supported. It is also where this documentation is generated. Many features are experimental and may change. While we strive for backward compatibility, breaking changes may occur when necessary to improve performance or simplify the software architecture.

Release Summary

Download

To download the newest version of Taskflow, please clone the master branch from Taskflow's GitHub.

System Requirements

To use Taskflow v4.1.0, you need a compiler that supports C++20:

• GNU C++ Compiler at least v11.0 with -std=c++20
• Clang C++ Compiler at least v12.0 with -std=c++20
• Microsoft Visual Studio at least v19.29 (VS 2019) with /std:c++20
• Apple Clang (Xcode) at least v13.0 with -std=c++20
• NVIDIA CUDA Toolkit and Compiler (nvcc) at least v12.0 with host compiler supporting C++20
• Intel oneAPI DPC++/C++ Compiler at least v2022.0 with -std=c++20

New Features

Taskflow Core

• added bulk cache update method in executor

• added more unit tests to test_notifiers.cpp

• added module support under taskflow/modules/

• optimized executor member variable data layout to reduce false sharing

  • aligned num_topologies to a cache line
  • aligned notifier to a cache line

• optimized tf::Executor::run(Taskflow&&)` with asynchronous tasking

  • removed satellite field from both taskflow and executor classes

• optimized the locking cost of topology

Utilities

• removed floor_log2 due to duplication with C++20 std::bit_width
• removed cpu_pause due to platform-dependent implementation

Bug Fixes

• fixed the scope bug in creating tf::Future<T> from std::future<T> (#761)

Breaking Changes

Documentation

• revised Cookbook
  • added video tutorials

Miscellaneous Items

If you are interested in collaborating with us on applying Taskflow to your projects, please feel free to reach out to Dr. Tsung-Wei Huang!