dabf1be226
Vectors are allocated from the kernel's memory region, which has some heinous synchronization. This is a stress test of vector allocation in many tasks.
28 lines
666 B
Rust
28 lines
666 B
Rust
// Vectors are allocated in the Rust kernel's memory region, use of
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// which requires some amount of synchronization. This test exercises
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// that synchronization by spawning a number of tasks and then
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// allocating and freeing vectors.
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use std;
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import std::vec;
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import std::uint;
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import std::istr;
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import std::task;
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fn f(n: uint) {
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for each i in uint::range(0u, n) {
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let v: [u8] = [];
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vec::reserve(v, 1000u);
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}
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}
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fn main(args: [istr]) {
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let n = if vec::len(args) < 2u {
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100u
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} else {
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uint::parse_buf(istr::bytes(args[1]), 10u)
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};
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for each i in uint::range(0u, 100u) {
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task::spawn(bind f(n));
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}
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} |