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What is the Interrupt Response Time for IRIX on a multiprocessor system?

April 26, 2017interrupt IRIX multiprocessor Response system time

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What is the Interrupt Response Time for IRIX on a multiprocessor system?

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“The REACT extensions included in IRIX 6.5 provide guaranteed deterministic interrupt response on a properly configured Origin, Onyx2, Onyx 3000, or OCTANE system. Performance is specified in terms of total interrupt response, which is defined as the interval between the occurrence of an external interrupt and the start of execution of a user process that was enabled by that interrupt (full context switch included). The worst-case total interrupt response time for a properly configured Origin 3000 system is guaranteed not to exceed 50 microseconds and an Origin 2000 system will not exceed 100 microseconds.” Further details on the IRIX interrupt response time is given in the REACT Technical Report.