How to Compute MFLOPS in Early Computers
The term MFLOP, or megaFLOP, refers to how many millions of floating point operations per second a computer can perform. Early super computer performance was measured in FLOPS and MFLOPS until 1988, when the Cray Y-MP, the first supercomputer to sustain over one gigaFLOP performance, was introduced. As of 2011, supercomputer performance is measured in petaFLOPS.
Instructions
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Load the early computer with a program that adds one to itself repeatedly.
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Start the program and let it run for 60 seconds.
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Stop the program. Read the number that it outputs, being the total number of floating point instructions that it executed.
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Divide that number by 60 to get the result in FLOPS.
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Divide the result in FLOPS by 1,000 to get the final result in MFLOPS.
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Tips & Warnings
If you have the FLOPS measurement of an early computer, divide it by 1,000 to convert it to MFLOPS. If you have a measurement in GFLOPS, multiply it by 1,000 the get a measurement in MFLOPS.
You can determine the FLOPS rating of your own modern computer by using a tool such as the online Linpack Benchmark test, which uses Java.