Report: Case_Study_Programming_Languages.pdf

Language Comparison

Compare the 3 languages Go,Elixir & Scala across multiple aspects such as -

• JSON parsing
• DB operations
• Concurrency
• Regex Matching
• Socket programming
• Inmemory cache

Running the program benchmarks

Please Install the all the dependencies listed at the bottom and then run the following commands

sudo chmod +x runElixir.sh
sudo chmod +x runGoProg.sh
sudo chmod +x runScala.sh

sudo ./runElixir.sh
sudo ./runGoProg.sh
sudo ./runScala.sh

SAMPLE OUTPUT CAN BE FOUND IN THE FOLDER "OurOutput".

Installation Steps

Elixir Installation

# install erlang
wget https://packages.erlang-solutions.com/erlang-solutions_1.0_all.deb && sudo dpkg -i erlang-solutions_1.0_all.deb
sudo apt-get update
sudo apt-get install esl-erlang

# install elixir
sudo apt-get install elixir

Go Installation

# 1) Go Download link https://storage.googleapis.com/golang/go1.7.4.linux-amd64.tar.gz
# 2) extract it into /usr/local
# 3) add go's install dir to PATH
export PATH=$PATH:/usr/local/go/bin
# 4) set GOROOT
export GOROOT=/usr/local/go
# 5) set GOPATH
export GOPATH=/home/user_name/Documents/go  ##replace user_name accordingly
# 6) install Mercurial
sudo apt-get install mercurial
# 7) install dependencies
go get github.com/gonum/plot github.com/go-sql-driver/mysql github.com/gonum/plot/plotter

Scala Installation

#Note: In order to run Scala, you will need Java on your system.

#	If it is not there, you can install it by following commands:
	sudo apt-get install default-jre
	sudo apt-get install default-jdk


#1. Installation of Scala:

	sudo apt-get remove scala-library scala
	wget http://www.scala-lang.org/files/archive/scala-2.11.6.deb
	sudo dpkg -i scala-2.11.6.deb
	sudo apt-get update
	sudo apt-get install scala

#2. Installation of SBT:

	echo "deb https://dl.bintray.com/sbt/debian /" | sudo tee -a /etc/apt/sources.list.d/sbt.list
	sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 2EE0EA64E40A89B84B2DF73499E82A75642AC823
	sudo apt-get update
	sudo apt-get install sbt

MySQL Installation

# login to mysql (provide your password)
mysql -u root -p

# run the following commands in the mysql shell
CREATE DATABASE language_comparison;
USE language_comparison;
CREATE USER 'guest'@'localhost' IDENTIFIED BY 'admin123';
GRANT ALL PRIVILEGES ON *.* TO 'guest'@'localhost';
source /path_to_project/language_comparison/database/db.sql

Important links -

• http://elixir-lang.org/docs/stable/elixir/api-reference.html
• Elixir - https://elixir.libhunt.com
• Benchfella Elixir profiler - https://github.com/alco/benchfella
• JSON parser - https://github.com/cblage/elixir-json