Chakkrit (Kla) Tantithamthavorn klainfo

Senior Lecturer @monashinfotech, research in AI and SE

klainfo / installBoost.sh

Last active August 29, 2015 14:26

How to use wsrf with Boost Parallel Computing library

	# Download Boost C++ library
	wget http://sourceforge.net/projects/boost/files/boost/1.58.0/boost_1_58_0.tar.gz/download

	# Extract
	tar -zxvf download

	# Install http://wiki.tiker.net/BoostInstallationHowto
	cd boost_1_58_0
	./bootstrap.sh --prefix=/home/hpc3151/pool --libdir=/home/hpc3151/pool/lib --with-libraries=signals,thread,python,mpi
	./bjam -j4 variant=release link=shared install

klainfo / cpusAvailable.R

Created July 25, 2015 18:51

How many cpus are available for parallel jobs?

	library(parallel)

	cores <- detectCores()
	load <- read.table("/proc/loadavg",sep=" ")$V1
	cores*.8 - load

klainfo / loadCaretDependency.R

Created July 23, 2015 18:14

load all caret dependency R packages

install.packages("caret", dependencies = c("Depends", "Suggests"))

klainfo / render_post.R

Last active August 29, 2015 14:25

Put in the Rmd directory and run ./render_post.R <file.Rmd>

	#!/usr/bin/env Rscript

	# Reference: http://jfisher-usgs.github.io/r/2012/07/03/knitr-jekyll/

	input <- commandArgs(trailingOnly = TRUE)
	KnitPost <- function(input, base.url = "/") {
	require(knitr)
	opts_knit$set(base.url = base.url)
	fig.path <- paste0("../figs/", sub(".Rmd$", "", basename(input)), "/")
	opts_chunk$set(fig.path = fig.path)

klainfo / cpp-extractor.sh

Created June 18, 2015 15:43

	# C++ functions parser
	# Reference: http://stackoverflow.com/questions/6133989/what-grep-command-will-include-the-current-function-name-in-its-output
	# Usage: ./cpp-parser.sh <file.cpp>

	awk -v re='return' '/^[[:alpha:]]/{f=FNR"-"$0} $0~re{printf "%s\n%d:%s\n--\n",f,FNR,$0; f="" }' $1