Dhrystone

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Dhrystone

A benchmark program that tests a general mix of integer instructions. The results in Dhrystones per second are the number of times the program can be executed in one second. See Whetstone and benchmark.

(benchmark)

Dhrystone - A short synthetic benchmark program by Reinhold Weicker <weicker.muc@sni.de>, <weicker.muc@sni-usa.com>, intended to be representative of system (integer) programming. It is available in ADA, Pascal and C.

The current version is Dhrystone 2.1. The author says, "Relying on MIPS V1.1 (the result of V1.1) numbers can be hazardous to your professional health."

Due to its small size, the memory system outside the cache is not tested. Compilers can too easily optimise for Dhrystone. String operations are somewhat over-represented.

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These programs include synthetic benchmarks like SPEC, Stanford, Linpack and Dhrystone, but also customer code spanning a variety of real-world embedded applications.

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Third, when the Diamond VDO engines are not being used to perform video tasks, they are a ready resource of over 500 Dhrystone MIPS of general-purpose CPU power available to perform other system tasks - whereas a dedicated video HW block can never be reused.

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By achieving 478 million instructions per second (MIPS) performance in the Dhrystone v2.

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