system.flops: flops

In RBigData/pbdPAPI: Programming with Big Data --- Interface to PAPI

Description

Measuring floating point operations.

Usage

system.flops(expr, gcFirst = TRUE, burnin = TRUE)

Arguments

expr	A valid R expression to be profiled.
gcFirst	logical; determines if garbage collection should be called before profiling.
burnin	logical; determines if the function should first be evaluated with an empty expression.

Details

This function measures the evaluation of the provided expression, expr, for real time, process time, number of floating point operations, and floating point operation rate. The additional arguments, gcFirst and burnin, can be toggled to better simulate the target context.

Value

The return is a list consisting of:

real_time	real time spent evaluating expression
proc_time	total process time spent evaluating expression
flpops	FLoating Point OPerationS (count)
mflops	Mflops (flpops per second)

Examples

## Not run: 
library(pbdPAPI)

system.flops(1+1)

## End(Not run)

RBigData/pbdPAPI documentation built on May 8, 2019, 5:48 a.m.