Performance – Raspberry PI 2 – JAVA vs MONO | mXparser – Math Expressions Parser for JAVA Android C# Kotlin .NET/MONO/Xamarin – Mathematical Formula Parser / Evaluator Library

TO SUPPORT MY WORK, ORDER A COMMERCIAL LICENSE

THANK YOU!

Tutorial Math Collection API spec Download

Hardware & software used for performance testing

mXparser performance tests – Raspberry PI 2 – JAVA 1.8 vs MONO 3.2.8

Raspberry PI 2 + Raspbian Jessie
ARMv7 quad-core ARM Cortex-A7 CPU 900 MHz
1GB
Java version – 1.8.0
MONO version – 3.2.8

Id	Oper / Task	Iter [#]	JAVA	MONO	[x]	Test descr
0	2+3	20 m	111 th/s	296 th/s	0.4 x	Simple calculations – addition. Expression created once. Iteration: repeatedly recalculated same expression.
1	2*3	20 m	110 th/s	334 th/s	0.3 x	Simple calculations – multiplication. Expression created once. Iteration: repeatedly recalculated same expression.
2	2/3	20 m	109 th/s	328 th/s	0.3 x	Simple calculations – division. Expression created once. Iteration: repeatedly recalculated same expression.
3	2^3	20 m	110 th/s	287 th/s	0.4 x	Simple calculations – power. Expression created once. Iteration: repeatedly recalculated same expression.
4	sin(3)	20 m	67 th/s	240 th/s	0.3 x	Simple calculations – sinus. Expression created once. Iteration: repeatedly recalculated same expression.
5	2+3+4	20 m	53 th/s	202 th/s	0.3 x	Simple calculations – 2 additions. Expression created once. Iteration: repeatedly recalculated same expression.
6	2+3+4+5	20 m	32 th/s	147 th/s	0.2 x	Simple calculations – 3 additions. Expression created once. Iteration: repeatedlyrecalculated same expression.
7	2+(3+4)+5	20 m	24 th/s	112 th/s	0.2 x	Simple calculations – 3 additions + 1 parenthesis. Expression created once. Iteration: repeatedly recalculated same expression.
8	(2+3)+(4+5)	20 m	18 th/s	93 th/s	0.2 x	Simple calculations – 3 additions + 2 brackets. Expression created once. Iteration: repeatedly recalculated same expression.
9	2+(3+(4+5))	20 m	18 th/s	93 th/s	0.2 x	Simple calculations – 3 additions + 2 brackets. Expression created once. Iteration: repeatedly recalculated same expression.
10	sin(2+(3*4)^2)/10	20 m	12 th/s	67 th/s	0.2 x	Combination of different operations. Expression created once. Iteration: repeatedly recalculated same expression.
11	2+x	20 m	109 th/s	322 th/s	0.3 x	Simple calculations – addition with argument. Expression created once, containing argument ‘x’. Iteration: argument value is being modified (increased), then expression is recalculated
12	3f(x.y)-(2x+3*y)	2 m	6 th/s	36 th/s	0.2 x	User defined function f(x,y)=3x+4y. Expression &Function created once, containing argument ‘x’. Iteration: argument value is being modified (increased), then expression is recalculated
13	Constant c = new Constant(“c”. 5)	1 m	118 th/s	76 th/s	1.6 x	Creating constants: Iteration: Constant c = new Constant(“c”, 5)
14	Constant c = new Constant(“c=5”)	100 th	1.4 th/s	0.3 th/s	5.4 x	Creating constants: Iteration: Constant c = new Constant(“c=5”)
15	Argument x = new Argument(“x”. 5)	1 m	111 th/s	78 th/s	1.4 x	Creating arguments: Iteration: Argument x = new Argument(“x”, 5)
16	Argument x = new Argument(“x=5”)	100 th	1.4 th/s	0.3 th/s	5.4 x	Creating arguments: Iteration: Argument x = new Argument(“x=5”)
17	Function f = new Function(“f”. “x+y”. “x”. “y”)	1 m	34 th/s	24 th/s	1.4 x	Creating functions: Iteration: Function f = new Function(“f”, “x+y”, “x”, “y”)
18	Function f = new Function(“f(x.y)=x+y”)	100 th	0.7 th/s	1.5 th/s	0.5 x	Creating functions: Iteration: Function f = new Function(“f(x,y)=x+y”)
19	Expression e = new Expression(“sin(2+(3*4)^2)/10”)	1 m	1.6 m/s	1.2 m/s	1.4 x	Creating expressions: Iteration: Expression e = new Expression(“sin(2+(3*4)^2)/10”)
20	Expression e = new Expression(“sin(2+(3*4)^2)/10”)	100 th	0.2 th/s	0.2 th/s	0.8 x	Creating expressions + checking syntax: Iteration: Expression e = new Expression(“sin(2+(3*4)^2)/10”)