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Add maybeuninit impl using arrayvec #6

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09bbb52
Add maybeuninit impl using arrayvec
mfirhas Aug 10, 2026
49a134f
Remove .expect
mfirhas Aug 10, 2026
11ab81a
Edit uninit bench name
mfirhas Aug 10, 2026
5dda46e
Add uninit benchmarks
mfirhas Aug 10, 2026
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7 changes: 7 additions & 0 deletions Cargo.lock
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1 change: 1 addition & 0 deletions Cargo.toml
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Expand Up @@ -44,6 +44,7 @@ grapheme = ["dep:unicode-segmentation"]
serde = { version = "1", default-features = false, optional = true }
zeroize = { version = "1", default-features = false, optional = true }
unicode-segmentation = { version = "1", optional = true }
arrayvec = { version = "0.7.8", default-features = false }

[dev-dependencies]
serde_json = "1"
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9 changes: 6 additions & 3 deletions benches/bench.rs
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Expand Up @@ -5,6 +5,8 @@ mod benches {
pub mod construction_bench;
pub mod mutation_bench;
pub mod query_bench;

pub mod uninit_bench;
}

fn criterion() -> Criterion {
Expand All @@ -16,9 +18,10 @@ criterion_group! {
config = criterion();
targets =
benches::noop_bench,
benches::construction_bench::bench_all,
benches::mutation_bench::bench_all,
benches::query_bench::bench_all,
// benches::construction_bench::bench_all,
// benches::mutation_bench::bench_all,
// benches::query_bench::bench_all,
benches::uninit_bench::bench_all,
}

criterion_main!(g_string,);
85 changes: 85 additions & 0 deletions benches/benches/uninit_bench.rs
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@@ -0,0 +1,85 @@
use criterion::{BenchmarkId, Criterion, black_box};
use g_string::{GStringNV, NoValidation, uninit::GStringUninit};

const S5: &str = "hello"; // 5
const S43: &str = "the quick brown fox jumps over the lazy dog"; // 43
const S64: &str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQ789"; // 48 — fits S256, not S32
const UNI: &str = "héllo wörld 🌍"; // multi-byte UTF-8

type S50 = GStringNV<0, 50, false>;
type S100 = GStringNV<0, 100, false>;
type S255 = GStringNV<0, 255, false>;
type S500 = GStringNV<0, 500, false>;
type S1000 = GStringNV<0, 1000, false>;

type U50 = GStringUninit<NoValidation, 0, 50, false>;
type U100 = GStringUninit<NoValidation, 0, 100, false>;
type U255 = GStringUninit<NoValidation, 0, 255, false>;
type U500 = GStringUninit<NoValidation, 0, 500, false>;
type U1000 = GStringUninit<NoValidation, 0, 1000, false>;

pub fn bench_all(c: &mut Criterion) {
bench_try_new_vs_string(c);
}

pub fn bench_try_new_vs_string(c: &mut Criterion) {
let mut g = c.benchmark_group("uninit_bench");

for (label, input) in [("5b", S5), ("43b", S43), ("48b", S64), ("unicode", UNI)] {
g.bench_with_input(BenchmarkId::new("gstring_50", label), &input, |b, s| {
b.iter(|| black_box(S50::try_new(*s).unwrap()))
});

g.bench_with_input(
BenchmarkId::new("gstring_uninit_50", label),
&input,
|b, s| b.iter(|| black_box(U50::try_new(*s).unwrap())),
);

g.bench_with_input(BenchmarkId::new("gstring_100", label), &input, |b, s| {
b.iter(|| black_box(S100::try_new(*s).unwrap()))
});

g.bench_with_input(
BenchmarkId::new("gstring_uninit_100", label),
&input,
|b, s| b.iter(|| black_box(U100::try_new(*s).unwrap())),
);

g.bench_with_input(BenchmarkId::new("gstring_255", label), &input, |b, s| {
b.iter(|| black_box(S255::try_new(*s).unwrap()))
});

g.bench_with_input(
BenchmarkId::new("gstring_uninit_255", label),
&input,
|b, s| b.iter(|| black_box(U255::try_new(*s).unwrap())),
);

g.bench_with_input(BenchmarkId::new("gstring_500", label), &input, |b, s| {
b.iter(|| black_box(S500::try_new(*s).unwrap()))
});

g.bench_with_input(
BenchmarkId::new("gstring_uninit_500", label),
&input,
|b, s| b.iter(|| black_box(U500::try_new(*s).unwrap())),
);

g.bench_with_input(BenchmarkId::new("gstring_1000", label), &input, |b, s| {
b.iter(|| black_box(S1000::try_new(*s).unwrap()))
});

g.bench_with_input(
BenchmarkId::new("gstring_uninit_1000", label),
&input,
|b, s| b.iter(|| black_box(U1000::try_new(*s).unwrap())),
);

g.bench_with_input(BenchmarkId::new("string", label), &input, |b, s| {
b.iter(|| black_box(String::from(*s)))
});
}

g.finish();
}
153 changes: 153 additions & 0 deletions benchmarks/report/index.html
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<!DOCTYPE html>
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Index - Criterion.rs</title>
<style type="text/css">
body {
font: 14px Helvetica Neue;
text-rendering: optimizelegibility;
}

.body {
width: 960px;
margin: auto;
}

a:link {
color: #1F78B4;
text-decoration: none;
}

h2 {
font-size: 36px;
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}

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font-size: 24px;
font-weight: 300;
}

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#footer p {
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table {
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table,
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border: 1px solid #888;
}
</style>
</head>

<body>
<div class="body">
<h2>Criterion.rs Benchmark Index</h2>
See individual benchmark pages below for more details.
<ul>
<li><a href="../uninit_bench/report/index.html">uninit_bench</a></li>

<ul>
<li>
<table>
<tr>
<th></th>
<th><a href="../uninit_bench/gstring_100/report/index.html">gstring_100</a></th>
<th><a href="../uninit_bench/gstring_1000/report/index.html">gstring_1000</a></th>
<th><a href="../uninit_bench/gstring_255/report/index.html">gstring_255</a></th>
<th><a href="../uninit_bench/gstring_50/report/index.html">gstring_50</a></th>
<th><a href="../uninit_bench/gstring_500/report/index.html">gstring_500</a></th>
<th><a href="../uninit_bench/gstring_uninit_100/report/index.html">gstring_uninit_100</a></th>
<th><a href="../uninit_bench/gstring_uninit_1000/report/index.html">gstring_uninit_1000</a></th>
<th><a href="../uninit_bench/gstring_uninit_255/report/index.html">gstring_uninit_255</a></th>
<th><a href="../uninit_bench/gstring_uninit_50/report/index.html">gstring_uninit_50</a></th>
<th><a href="../uninit_bench/gstring_uninit_500/report/index.html">gstring_uninit_500</a></th>
<th><a href="../uninit_bench/string/report/index.html">string</a></th>
</tr>
<tr>
<th><a href="../uninit_bench/43b/report/index.html">43b</a></th>
<td><a href="../uninit_bench/gstring_100/43b/report/index.html">uninit_bench/gstring_100/43b</a></td>
<td><a href="../uninit_bench/gstring_1000/43b/report/index.html">uninit_bench/gstring_1000/43b</a></td>
<td><a href="../uninit_bench/gstring_255/43b/report/index.html">uninit_bench/gstring_255/43b</a></td>
<td><a href="../uninit_bench/gstring_50/43b/report/index.html">uninit_bench/gstring_50/43b</a></td>
<td><a href="../uninit_bench/gstring_500/43b/report/index.html">uninit_bench/gstring_500/43b</a></td>
<td><a href="../uninit_bench/gstring_uninit_100/43b/report/index.html">uninit_bench/gstring_uninit_100/43b</a></td>
<td><a href="../uninit_bench/gstring_uninit_1000/43b/report/index.html">uninit_bench/gstring_uninit_1000/43b</a></td>
<td><a href="../uninit_bench/gstring_uninit_255/43b/report/index.html">uninit_bench/gstring_uninit_255/43b</a></td>
<td><a href="../uninit_bench/gstring_uninit_50/43b/report/index.html">uninit_bench/gstring_uninit_50/43b</a></td>
<td><a href="../uninit_bench/gstring_uninit_500/43b/report/index.html">uninit_bench/gstring_uninit_500/43b</a></td>
<td><a href="../uninit_bench/string/43b/report/index.html">uninit_bench/string/43b</a></td>
</tr>
<tr>
<th><a href="../uninit_bench/48b/report/index.html">48b</a></th>
<td><a href="../uninit_bench/gstring_100/48b/report/index.html">uninit_bench/gstring_100/48b</a></td>
<td><a href="../uninit_bench/gstring_1000/48b/report/index.html">uninit_bench/gstring_1000/48b</a></td>
<td><a href="../uninit_bench/gstring_255/48b/report/index.html">uninit_bench/gstring_255/48b</a></td>
<td><a href="../uninit_bench/gstring_50/48b/report/index.html">uninit_bench/gstring_50/48b</a></td>
<td><a href="../uninit_bench/gstring_500/48b/report/index.html">uninit_bench/gstring_500/48b</a></td>
<td><a href="../uninit_bench/gstring_uninit_100/48b/report/index.html">uninit_bench/gstring_uninit_100/48b</a></td>
<td><a href="../uninit_bench/gstring_uninit_1000/48b/report/index.html">uninit_bench/gstring_uninit_1000/48b</a></td>
<td><a href="../uninit_bench/gstring_uninit_255/48b/report/index.html">uninit_bench/gstring_uninit_255/48b</a></td>
<td><a href="../uninit_bench/gstring_uninit_50/48b/report/index.html">uninit_bench/gstring_uninit_50/48b</a></td>
<td><a href="../uninit_bench/gstring_uninit_500/48b/report/index.html">uninit_bench/gstring_uninit_500/48b</a></td>
<td><a href="../uninit_bench/string/48b/report/index.html">uninit_bench/string/48b</a></td>
</tr>
<tr>
<th><a href="../uninit_bench/5b/report/index.html">5b</a></th>
<td><a href="../uninit_bench/gstring_100/5b/report/index.html">uninit_bench/gstring_100/5b</a></td>
<td><a href="../uninit_bench/gstring_1000/5b/report/index.html">uninit_bench/gstring_1000/5b</a></td>
<td><a href="../uninit_bench/gstring_255/5b/report/index.html">uninit_bench/gstring_255/5b</a></td>
<td><a href="../uninit_bench/gstring_50/5b/report/index.html">uninit_bench/gstring_50/5b</a></td>
<td><a href="../uninit_bench/gstring_500/5b/report/index.html">uninit_bench/gstring_500/5b</a></td>
<td><a href="../uninit_bench/gstring_uninit_100/5b/report/index.html">uninit_bench/gstring_uninit_100/5b</a></td>
<td><a href="../uninit_bench/gstring_uninit_1000/5b/report/index.html">uninit_bench/gstring_uninit_1000/5b</a></td>
<td><a href="../uninit_bench/gstring_uninit_255/5b/report/index.html">uninit_bench/gstring_uninit_255/5b</a></td>
<td><a href="../uninit_bench/gstring_uninit_50/5b/report/index.html">uninit_bench/gstring_uninit_50/5b</a></td>
<td><a href="../uninit_bench/gstring_uninit_500/5b/report/index.html">uninit_bench/gstring_uninit_500/5b</a></td>
<td><a href="../uninit_bench/string/5b/report/index.html">uninit_bench/string/5b</a></td>
</tr>
<tr>
<th><a href="../uninit_bench/unicode/report/index.html">unicode</a></th>
<td><a href="../uninit_bench/gstring_100/unicode/report/index.html">uninit_bench/gstring_100/unicode</a></td>
<td><a href="../uninit_bench/gstring_1000/unicode/report/index.html">uninit_bench/gstring_1000/unicode</a></td>
<td><a href="../uninit_bench/gstring_255/unicode/report/index.html">uninit_bench/gstring_255/unicode</a></td>
<td><a href="../uninit_bench/gstring_50/unicode/report/index.html">uninit_bench/gstring_50/unicode</a></td>
<td><a href="../uninit_bench/gstring_500/unicode/report/index.html">uninit_bench/gstring_500/unicode</a></td>
<td><a href="../uninit_bench/gstring_uninit_100/unicode/report/index.html">uninit_bench/gstring_uninit_100/unicode</a></td>
<td><a href="../uninit_bench/gstring_uninit_1000/unicode/report/index.html">uninit_bench/gstring_uninit_1000/unicode</a></td>
<td><a href="../uninit_bench/gstring_uninit_255/unicode/report/index.html">uninit_bench/gstring_uninit_255/unicode</a></td>
<td><a href="../uninit_bench/gstring_uninit_50/unicode/report/index.html">uninit_bench/gstring_uninit_50/unicode</a></td>
<td><a href="../uninit_bench/gstring_uninit_500/unicode/report/index.html">uninit_bench/gstring_uninit_500/unicode</a></td>
<td><a href="../uninit_bench/string/unicode/report/index.html">uninit_bench/string/unicode</a></td>
</tr>
</table>
</li>
</ul>
</ul>
</div>
<div id="footer">
<p>This report was generated by
<a href="https://github.com/bheisler/criterion.rs">Criterion.rs</a>, a statistics-driven benchmarking
library in Rust.</p>
</div>
</body>
</html>
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