erlang_examples

Collection of source codes which demonstrate all features of ERLANG

Sample

-module(hello_world).
-export([hello/0]).

hello() ->
    io:format("hello world~n").

Compile by Make

$ make module=hello_world init=hello
compiling ...
running ...
hello world

Compile by Erlang

Compile the erlang program

$ erlc helloworld.erl

Execute the erlang Program

$ erl -noshell -s helloworld start -s init stop

Erlang one liner

$ erl -noshell -eval 'io:fwrite("Hello, World!\n"), init:stop().'

Benchmarking Http Time Server (Erlang vs PHP vs GO)

Windows 8.1 64bit

CPU: Intel Core i3 6100U 2.30GHz, RAM: 8 GB DDR3 DRAM 800MHz

Apache JMeter (15000 concurrent users for 3 times, each time duration 30 seconds)

PHP 7.4 64bit Nginx 32bit 1.19.5 (latest)

Go 1.16.3 64 bit (latest)

Erlang 23 64 bit, emulator 11.1.4, cowboy (latest)