toolshed-0.15.0.1: Utilities used by other packages.

Safe HaskellSafe-Inferred
LanguageHaskell98

ToolShed.System.TimePure

Contents

Description

AUTHOR
Dr. Alistair Ward
DESCRIPTION
Determines the CPU-time, required to evaluate the specified pure expression.

Synopsis

Functions

getCPUSeconds Source

Arguments

:: (Fractional seconds, NFData expression) 
=> expression

Arbitrary polymorphic expression.

-> IO (seconds, expression)

The original expression, tagged with the CPU-seconds taken.

  • Time the specified pure expression, returning the required number of CPU-seconds and the result, as a Pair.
  • CAVEAT: as a side-effect, the expression is deep evaluated.

printCPUSeconds :: NFData expression => expression -> IO expression Source

  • Print the time required by the specified pure expression.
  • CAVEAT: as a side-effect, the expression is deep evaluated.