blob: 7273f24a0f91d3028711a3899240fec02fa1ea29 (
plain)
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
|
// Test case adapted from "apply-optimization.js" to test SpreadCall instead of FunApply.
// Uses fewer iterations than "apply-optimization.js" to keep the overall runtime reasonable.
const iterations = 40;
function make(k) {
var a = new Array(k);
for ( let i=0 ; i < k ; i++ )
a[i] = {}
return a;
}
function g() {
return arguments.length;
}
function f(a) {
var sum = 0;
for ( let i=0 ; i < iterations ; i++ )
sum += g(...a);
return sum;
}
function time(k, t) {
var then = Date.now();
assertEq(t(), iterations*k);
var now = Date.now();
return now - then;
}
function p(v) {
// Uncomment to see timings
// print(v);
}
f(make(200));
// There is currently a cutoff after 375 where we bailout in order to avoid
// handling very large stack frames. This slows the operation down by a factor
// of 100 or so.
p(time(374, () => f(make(374))));
p(time(375, () => f(make(375))));
p(time(376, () => f(make(376))));
p(time(377, () => f(make(377))));
|
