FilesExpand file tree

 master

/

Benchmark.java

Copy path

BlameMore file actions

BlameMore file actions

Latest commit

 

History

History

History

41 lines (30 loc) · 1.05 KB

 master

/

Benchmark.java

Top

File metadata and controls

• Code
• Blame

41 lines (30 loc) · 1.05 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

package symjava.test;

import symjava.bytecode.BytecodeFunc;

import symjava.symbolic.Expr;

import symjava.symbolic.Func;

import static symjava.symbolic.Symbol.*;

import static symjava.math.SymMath.*;

public class Benchmark {

public static void main(String[] args) {

Expr expr = 2.0 * pow(x, 5) + 3.0 * x * y;

System.out.println(expr);

Func fun = new Func("fun", expr);

BytecodeFunc bfun = fun.toBytecodeFunc();

System.out.println(bfun.apply(2.0, 3.0));

System.out.println(expr.subs(x, 2.0).subs(y, 3.0).simplify());

System.out.println(expr.subs(x, 2.0).subs(y, 3.0).simplify());

int N = 1000000;

long start, end;

System.out.println("Run "+N+" times:");

start = System.currentTimeMillis();

for(int i=0; i<N; i++)

bfun.apply(2.0, 3.0);

end = System.currentTimeMillis();

System.out.println("bytecode fun: "+(end-start)+"ms");

start = System.currentTimeMillis();

for(int i=0; i<N; i++)

expr.subs(x, 2.0).subs(y, 3.0);

end = System.currentTimeMillis();

System.out.println("expr subs: "+(end-start)+"ms");

}

}