blob: e42ddecf10101bd38eeaea0509f9e5c24de05c5f (
plain) (
blame)
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
42
43
44
45
|
pragma solidity ^0.4;
contract ExpPerformanceTester {
function testExp(int exponent, int seed, uint n) external returns (int) {
int e = seed;
for (uint i = 0; i < n; i += 1) {
e = e ** exponent;
}
return e;
}
function testExpUnroll16(int exponent, int seed, uint n) external returns (int) {
int e = seed;
for (uint i = 0; i < n; i += 16) {
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
e = e ** exponent;
}
return e;
}
function testNop(int exponent, int seed, uint n) external returns (int) {
for (uint i = 0; i < n; i += 1) {}
return seed;
}
function testNopUnroll16(int exponent, int seed, uint n) external returns (int) {
for (uint i = 0; i < n; i += 16) {}
return seed;
}
}
|
