blob: 7d2441b9d76a53e6609eda170217d5fb1151c255 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
namespace;
include rt;
let keep;
unchecked fn churn(n) {
let i = 0, p;
while (i < n) { p = rt.new(10); p[0] = i; if (i % 100 == 0) keep = p; i++; }
return 0;
}
fn main() {
let base = rt.live_objects(), f;
churn(1000);
rt.put_n(rt.live_objects() - base); rt.put_c(' ');
f = rt.gc();
rt.put_n(f >= 990); rt.put_c(' '); // conservative: a stale word or two may keep one alive
rt.put_n(keep[0]); rt.put_c(' '); // the one a global still points at survives
churn(200000); // 3.2m words through a 393k word heap: needs the automatic collector
rt.put_n(rt.gc_runs > 1); rt.put_c(' ');
rt.put_n(keep[0]); rt.put_c(10);
return 0;
}
|
