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What is REACT? Is it an optional product for IRIX?

April 26, 2017IRIX Product react

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What is REACT? Is it an optional product for IRIX?

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REACT is the set of real-time features that comes standard with every IRIX installation (asynchronous i/o, schedctl, plock, itimers, nanosleep, etc). REACT is not an optional product but an integral part of IRIX. Many of the REACT extensions to IRIX benefit non-traditional, real-time applications such as multimedia and graphics. With multiprocessor systems, REACT also includes features such as processor control and isolation, multiprocessing control, and interrupt routing. With SGI Origin and Challenge systems, REACT also includes features that allow user-level interfacing to VME and PCI through interfaces such as usrvme and pciba. For more about the specific features of REACT, consult one of the documentation sources identified in Q3.