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https://github.com/GameTechDev/GTS-GamesTaskScheduler

A task scheduling framework designed for the needs of game developers.
https://github.com/GameTechDev/GTS-GamesTaskScheduler

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A task scheduling framework designed for the needs of game developers.

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# DISCONTINUATION OF PROJECT #

This project will no longer be maintained by Intel.

Intel has ceased development and contributions including, but not limited to, maintenance, bug fixes, new releases, or updates, to this project.

Intel no longer accepts patches to this project.

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# Intel Games Task Scheduler (GTS)



> To the [documentation](https://gametechdev.github.io/GTS-GamesTaskScheduler/documentation/html/index.html).



## Introduction



GTS is a C++ task scheduling framework for multi-processor platforms. It is designed to let

developers express their applications in task parallelism and let the scheduling framework

maximize the physical parallelism on the available processors.



### Key Goals



* **Simple expression of task parallelism**

* **Highly efficient scheduling**

* **Easy to configure and extend**



### Target Audience



GTS is designed for the needs of current and future game engine developers. Typical engine developers employ a highly

customized, platform-scalable task system (or job system) that provides dedicated worker threads

executing thousands of concurrent tasks. These threads may also share resources with driver,

networking, middleware, and video streaming threads, all working in synchronized concert to 

deliver glitch-free real-time rendering on 60+ frames per second (FPS) applications. Future game

engines will have to cope with more threads, more tasks, and potentially multiple

instruction-set-architectures (ISAs), all running on an ever-expanding hardware landscape. 



We built GTS to be simple and friendly to game engine task system use cases. We want a framework

that allows the game development community to experiment with and learn from different scheduling

algorithms easily. We also want a framework that allows us to demonstrate state-of-the-art algorithms

on task scheduling. Finally, we want to encourage games to better express parallelism so they can

compute more cool stuff and enable richer PC gaming experiences!



### Features



* Easily integrate GTS into an existing game engine complete with low level platform 

overrides. Game engines support a wide variety of operating systems and hardware platforms,

with varying degrees of custom code and work-arounds. Since GTS cannot possibly

support every work-around and corner case, we have simplified engine integration

by allowing the developer to completely replace the GTS platform layer through

a configuration file (user_config.h). 

* Express high-level program flow with persistent, dynamic task DAGs that can be

executed homogeneously or heterogeneously with the Macro-Scheduler

* Jump right into parallelism with predefined Parallel Patterns

* Easily communicate between threads with Parallel Containers

* Carve up CPU resources as you see fit with the WorkerPool

* Express low-level algorithms and highly efficient execution policies with the Micro-scheduler

and Task constructs.

* Remove bottlenecks around heap access with gts_malloc.

* Avoid contention and kernel-mode synchronization with GTS's user-mode synchronization primitives and contention 

reducing constructs.

* OS-header-free and mostly STL-free interface. GTS won't pollute your engine with unnecessary headers.