someone894/parallellogger

An R package for easy parallel computing, logging, and function call automation.

ParallelLogger

Introduction

An R package with tools to be used in the other OHDSI R packages

Features

• Functions for parallel computation
• Functions for logging
• Functions used for automating analyses

Examples

# Run a function in parallel:
fun <- function(x) {
  return (x^2)
}

cluster <- makeCluster(numberOfThreads = 3)
result <- clusterApply(cluster, 1:10, fun)
stopCluster(cluster)

# Create a file logger:
addDefaultFileLogger("log.txt")
logTrace("Hello world")

Technology

ParallelLogger is an R package.

System Requirements

Requires R (version 3.1.0 or higher)

Dependencies

None

Getting Started

1. In R, use the following commands to download and install ParallelLogger:

install.packages("devtools")
library(devtools)
install_github("ohdsi/ParallelLogger")

Getting Involved

• Vignette: Logging using ParallelLogger
• Vignette: Parallel execution using ParallelLogger
• Package manual: ParallelLogger.pdf
• Developer questions/comments/feedback: OHDSI Forum
• We use the GitHub issue tracker for all bugs/issues/enhancements

License

ParallelLogger is licensed under Apache License 2.0

Development

ParallelLogger is being developed in R Studio.

Development status

Ready for use

Acknowledgements

• This project is supported in part through the National Science Foundation grant IIS 1251151.