The Haskell 98 Library Report: CPU Time

The Haskell 98 Report
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## 26`` CPU Time

`module CPUTime ( getCPUTime, cpuTimePrecision ) where getCPUTime :: IO Integer cpuTimePrecision :: Integer`

Computation `getCPUTime` returns the number of picoseconds of CPU time used by the current program. The precision of this result is given by `cpuTimePrecision`. This is the smallest measurable difference in CPU time that the implementation can record, and is given as an integral number of picoseconds.

The Haskell 98 Report
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December 2002