summaryrefslogtreecommitdiffstats
path: root/vendor/kstring/benches
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-07 05:48:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-07 05:48:48 +0000
commitef24de24a82fe681581cc130f342363c47c0969a (patch)
tree0d494f7e1a38b95c92426f58fe6eaa877303a86c /vendor/kstring/benches
parentReleasing progress-linux version 1.74.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-ef24de24a82fe681581cc130f342363c47c0969a.tar.xz
rustc-ef24de24a82fe681581cc130f342363c47c0969a.zip
Merging upstream version 1.75.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/kstring/benches')
-rw-r--r--vendor/kstring/benches/access.rs134
-rw-r--r--vendor/kstring/benches/clone.rs139
2 files changed, 273 insertions, 0 deletions
diff --git a/vendor/kstring/benches/access.rs b/vendor/kstring/benches/access.rs
new file mode 100644
index 000000000..a9b92d3d6
--- /dev/null
+++ b/vendor/kstring/benches/access.rs
@@ -0,0 +1,134 @@
+#![allow(
+ clippy::clone_on_copy,
+ clippy::useless_conversion,
+ clippy::clone_double_ref
+)]
+
+use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
+
+type StringCow<'s> = std::borrow::Cow<'s, str>;
+
+#[cfg(not(feature = "unstable_bench_subset"))]
+pub static FIXTURES: &[&str] = &[
+ "",
+ "0",
+ "01",
+ "012",
+ "0123",
+ "01234",
+ "012345",
+ "0123456",
+ "01234567",
+ "012345678",
+ "0123456789",
+ "01234567890123456789",
+ "0123456789012345678901234567890123456789",
+ "01234567890123456789012345678901234567890123456789012345678901234567890123456789",
+];
+
+#[cfg(feature = "unstable_bench_subset")]
+pub static FIXTURES: &[&str] = &[
+ "0123456789",
+ "01234567890123456789012345678901234567890123456789012345678901234567890123456789",
+];
+
+// Note: this is meant to measure the overhead for accessing the underlying str. We shouldn't try
+// to optimize *just* the case being measured here.
+fn bench_access(c: &mut Criterion) {
+ let mut group = c.benchmark_group("access");
+ for fixture in FIXTURES {
+ let len = fixture.len();
+ group.throughput(Throughput::Bytes(len as u64));
+ group.bench_with_input(
+ BenchmarkId::new("StringCow::Borrowed", len),
+ &len,
+ |b, _| {
+ let uut = StringCow::Borrowed(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ },
+ );
+ group.bench_with_input(BenchmarkId::new("StringCow::Owned", len), &len, |b, _| {
+ let uut = StringCow::Owned(String::from(*fixture));
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ });
+ group.bench_with_input(
+ BenchmarkId::new("KString::from_static", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KString::from_static(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ },
+ );
+ group.bench_with_input(BenchmarkId::new("KString::from_ref", len), &len, |b, _| {
+ let uut = kstring::KString::from_ref(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ });
+ group.bench_with_input(
+ BenchmarkId::new("KString::from_string", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KString::from_string(String::from(*fixture));
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringCow::from_static", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KStringCow::from_static(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringCow::from_ref", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KStringCow::from_ref(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringCow::from_string", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KStringCow::from_string(String::from(*fixture));
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringRef::from_static", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KStringRef::from_static(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringRef::from_ref", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KStringRef::from_ref(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.is_empty())
+ },
+ );
+ }
+ group.finish();
+}
+
+criterion_group!(benches, bench_access);
+criterion_main!(benches);
diff --git a/vendor/kstring/benches/clone.rs b/vendor/kstring/benches/clone.rs
new file mode 100644
index 000000000..b0740bad9
--- /dev/null
+++ b/vendor/kstring/benches/clone.rs
@@ -0,0 +1,139 @@
+#![allow(
+ clippy::clone_on_copy,
+ clippy::useless_conversion,
+ clippy::clone_double_ref
+)]
+
+use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
+
+type StringCow<'s> = std::borrow::Cow<'s, str>;
+
+#[cfg(not(feature = "unstable_bench_subset"))]
+pub static FIXTURES: &[&str] = &[
+ // Empty handling
+ "",
+ // Barely used
+ "1",
+ // kstring's max small-string size
+ "123456789012345",
+ // Boundary conditions for most small-string optimizations
+ "1234567890123456789012",
+ "12345678901234567890123",
+ "123456789012345678901234",
+ "1234567890123456789012345",
+ // Small heap
+ "1234567890123456789012345678901234567890123456789012345678901234",
+ // Large heap
+ "12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890",
+];
+
+#[cfg(feature = "unstable_bench_subset")]
+pub static FIXTURES: &[&str] = &[
+ "0123456789",
+ "01234567890123456789012345678901234567890123456789012345678901234567890123456789",
+];
+
+fn bench_clone(c: &mut Criterion) {
+ let mut group = c.benchmark_group("clone");
+ for fixture in FIXTURES {
+ let len = fixture.len();
+ group.throughput(Throughput::Bytes(len as u64));
+ group.bench_with_input(
+ BenchmarkId::new("StringCow::Borrowed", len),
+ &len,
+ |b, _| {
+ let uut = StringCow::Borrowed(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ },
+ );
+ group.bench_with_input(BenchmarkId::new("StringCow::Owned", len), &len, |b, _| {
+ let fixture = String::from(*fixture);
+ let uut = StringCow::Owned(fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ });
+ group.bench_with_input(
+ BenchmarkId::new("KString::from_static", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KString::from_static(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ },
+ );
+ group.bench_with_input(BenchmarkId::new("KString::from_ref", len), &len, |b, _| {
+ let fixture = String::from(*fixture);
+ let uut = kstring::KString::from_ref(&fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ });
+ group.bench_with_input(
+ BenchmarkId::new("KString::from_string", len),
+ &len,
+ |b, _| {
+ let fixture = String::from(*fixture);
+ let uut = kstring::KString::from_string(fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringCow::from_static", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KStringCow::from_static(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringCow::from_ref", len),
+ &len,
+ |b, _| {
+ let fixture = String::from(*fixture);
+ let uut = kstring::KStringCow::from_ref(&fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringCow::from_string", len),
+ &len,
+ |b, _| {
+ let fixture = String::from(*fixture);
+ let uut = kstring::KStringCow::from_string(fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringRef::from_static", len),
+ &len,
+ |b, _| {
+ let uut = kstring::KStringRef::from_static(*fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ },
+ );
+ #[cfg(not(feature = "unstable_bench_subset"))]
+ group.bench_with_input(
+ BenchmarkId::new("KStringRef::from_ref", len),
+ &len,
+ |b, _| {
+ let fixture = String::from(*fixture);
+ let uut = kstring::KStringRef::from_ref(&fixture);
+ let uut = criterion::black_box(uut);
+ b.iter(|| uut.clone())
+ },
+ );
+ }
+ group.finish();
+}
+
+criterion_group!(benches, bench_clone);
+criterion_main!(benches);