summaryrefslogtreecommitdiffstats
path: root/third_party/rust/rust_decimal/benches
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/rust/rust_decimal/benches
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/rust_decimal/benches')
-rw-r--r--third_party/rust/rust_decimal/benches/comparison.rs50
-rw-r--r--third_party/rust/rust_decimal/benches/lib_benches.rs359
2 files changed, 409 insertions, 0 deletions
diff --git a/third_party/rust/rust_decimal/benches/comparison.rs b/third_party/rust/rust_decimal/benches/comparison.rs
new file mode 100644
index 0000000000..d6bf29adba
--- /dev/null
+++ b/third_party/rust/rust_decimal/benches/comparison.rs
@@ -0,0 +1,50 @@
+//! See how `rust-decimal` performs compared to native floating numbers.
+
+use criterion::{
+ black_box, criterion_group, criterion_main, measurement::Measurement, BenchmarkGroup, BenchmarkId, Criterion,
+};
+use rust_decimal::Decimal;
+
+const DECIMAL_2_01: Decimal = Decimal::from_parts(201, 0, 0, false, 2);
+const DECIMAL_13_7: Decimal = Decimal::from_parts(137, 0, 0, false, 1);
+const F64_2_01: f64 = 2.01;
+const F64_13_7: f64 = 13.7;
+
+macro_rules! add_benchmark_group {
+ ($criterion:expr, $f:ident, $op:tt) => {
+ fn $f<M, const N: usize>(group: &mut BenchmarkGroup<'_, M>)
+ where
+ M: Measurement,
+ {
+ group.bench_with_input(BenchmarkId::new("f64 (diff)", N), &N, |ben, _| {
+ ben.iter(|| black_box(F64_2_01 $op F64_13_7))
+ });
+
+ group.bench_with_input(BenchmarkId::new("f64 (equal)", N), &N, |ben, _| {
+ ben.iter(|| black_box(F64_2_01 $op F64_2_01))
+ });
+
+ group.bench_with_input(BenchmarkId::new("rust-decimal (diff)", N), &N, |ben, _| {
+ ben.iter(|| black_box(DECIMAL_2_01 $op DECIMAL_13_7))
+ });
+
+ group.bench_with_input(BenchmarkId::new("rust-decimal (equal)", N), &N, |ben, _| {
+ ben.iter(|| black_box(DECIMAL_2_01 $op DECIMAL_2_01))
+ });
+ }
+
+ let mut group = $criterion.benchmark_group(stringify!($f));
+ $f::<_, 100>(&mut group);
+ group.finish();
+ };
+}
+
+fn criterion_benchmark(c: &mut Criterion) {
+ add_benchmark_group!(c, addition, +);
+ add_benchmark_group!(c, division, /);
+ add_benchmark_group!(c, multiplication, *);
+ add_benchmark_group!(c, subtraction, -);
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);
diff --git a/third_party/rust/rust_decimal/benches/lib_benches.rs b/third_party/rust/rust_decimal/benches/lib_benches.rs
new file mode 100644
index 0000000000..5757c91c84
--- /dev/null
+++ b/third_party/rust/rust_decimal/benches/lib_benches.rs
@@ -0,0 +1,359 @@
+#![feature(test)]
+
+extern crate test;
+
+use bincode::Options as _;
+use core::str::FromStr;
+use rust_decimal::Decimal;
+
+macro_rules! bench_decimal_op {
+ ($name:ident, $op:tt, $x:expr, $y:expr) => {
+ #[bench]
+ fn $name(b: &mut ::test::Bencher) {
+ let x = Decimal::from_str($x).unwrap();
+ let y = Decimal::from_str($y).unwrap();
+ b.iter(|| {
+ let result = x $op y;
+ ::test::black_box(result);
+ });
+ }
+ }
+}
+
+macro_rules! bench_fold_op {
+ ($name:ident, $op:tt, $init:expr, $count:expr) => {
+ #[bench]
+ fn $name(b: &mut ::test::Bencher) {
+ fn fold(values: &[Decimal]) -> Decimal {
+ let mut acc: Decimal = $init.into();
+ for value in values {
+ acc = acc $op value;
+ }
+ acc
+ }
+
+ let values: Vec<Decimal> = test::black_box((1..$count).map(|i| i.into()).collect());
+ b.iter(|| {
+ let result = fold(&values);
+ ::test::black_box(result);
+ });
+ }
+ }
+}
+
+/* Add */
+bench_decimal_op!(add_self, +, "2.01", "2.01");
+bench_decimal_op!(add_simple, +, "2", "1");
+bench_decimal_op!(add_one, +, "2.01", "1");
+bench_decimal_op!(add_two, +, "2.01", "2");
+bench_decimal_op!(add_one_hundred, +, "2.01", "100");
+bench_decimal_op!(add_point_zero_one, +, "2.01", "0.01");
+bench_decimal_op!(add_negative_point_five, +, "2.01", "-0.5");
+bench_decimal_op!(add_pi, +, "2.01", "3.1415926535897932384626433832");
+bench_decimal_op!(add_negative_pi, +, "2.01", "-3.1415926535897932384626433832");
+
+bench_fold_op!(add_10k, +, 0, 10_000);
+
+/* Sub */
+bench_decimal_op!(sub_self, -, "2.01", "2.01");
+bench_decimal_op!(sub_simple, -, "2", "1");
+bench_decimal_op!(sub_one, -, "2.01", "1");
+bench_decimal_op!(sub_two, -, "2.01", "2");
+bench_decimal_op!(sub_one_hundred, -, "2.01", "100");
+bench_decimal_op!(sub_point_zero_one, -, "2.01", "0.01");
+bench_decimal_op!(sub_negative_point_five, -, "2.01", "-0.5");
+bench_decimal_op!(sub_pi, -, "2.01", "3.1415926535897932384626433832");
+bench_decimal_op!(sub_negative_pi, -, "2.01", "-3.1415926535897932384626433832");
+
+bench_fold_op!(sub_10k, -, 5_000_000, 10_000);
+
+/* Mul */
+bench_decimal_op!(mul_one, *, "2.01", "1");
+bench_decimal_op!(mul_two, *, "2.01", "2");
+bench_decimal_op!(mul_one_hundred, *, "2.01", "100");
+bench_decimal_op!(mul_point_zero_one, *, "2.01", "0.01");
+bench_decimal_op!(mul_negative_point_five, *, "2.01", "-0.5");
+bench_decimal_op!(mul_pi, *, "2.01", "3.1415926535897932384626433832");
+bench_decimal_op!(mul_negative_pi, *, "2.01", "-3.1415926535897932384626433832");
+
+bench_fold_op!(mul_25, *, Decimal::from_str("1.1").unwrap(), 25);
+
+/* Div */
+bench_decimal_op!(div_one, /, "2.01", "1");
+bench_decimal_op!(div_two, /, "2.01", "2");
+bench_decimal_op!(div_one_hundred, /, "2.01", "100");
+bench_decimal_op!(div_point_zero_one, /, "2.01", "0.01");
+bench_decimal_op!(div_negative_point_five, /, "2.01", "-0.5");
+bench_decimal_op!(div_pi, /, "2.01", "3.1415926535897932384626433832");
+bench_decimal_op!(div_negative_pi, /, "2.01", "-3.1415926535897932384626433832");
+bench_decimal_op!(div_no_underflow, /, "1.02343545345", "0.35454343453");
+bench_fold_op!(div_10k, /, Decimal::MAX, 10_000);
+bench_fold_op!(rem_10k, %, Decimal::MAX, 10_000);
+
+/* Iteration */
+struct DecimalIterator {
+ count: usize,
+}
+
+impl DecimalIterator {
+ fn new() -> DecimalIterator {
+ DecimalIterator { count: 0 }
+ }
+}
+
+impl Iterator for DecimalIterator {
+ type Item = Decimal;
+
+ fn next(&mut self) -> Option<Decimal> {
+ self.count += 1;
+ if self.count < 6 {
+ Some(Decimal::new(314, 2))
+ } else {
+ None
+ }
+ }
+}
+
+#[bench]
+fn iterator_individual(b: &mut ::test::Bencher) {
+ b.iter(|| {
+ let mut result = Decimal::new(0, 0);
+ let iterator = DecimalIterator::new();
+ for i in iterator {
+ result += i;
+ }
+ ::test::black_box(result);
+ });
+}
+
+#[bench]
+fn iterator_product(b: &mut ::test::Bencher) {
+ b.iter(|| {
+ let result: Decimal = DecimalIterator::new().product();
+ ::test::black_box(result);
+ });
+}
+
+#[bench]
+fn iterator_sum(b: &mut ::test::Bencher) {
+ b.iter(|| {
+ let result: Decimal = DecimalIterator::new().sum();
+ ::test::black_box(result);
+ });
+}
+
+const SAMPLE_STRS: &[&str] = &[
+ "3950.123456",
+ "3950",
+ "0.1",
+ "0.01",
+ "0.001",
+ "0.0001",
+ "0.00001",
+ "0.000001",
+ "1",
+ "-100",
+ "-123.456",
+ "119996.25",
+ "1000000",
+ "9999999.99999",
+ "12340.56789",
+];
+
+#[bench]
+fn serialize_bincode(b: &mut test::Bencher) {
+ let decimals: Vec<Decimal> = SAMPLE_STRS.iter().map(|s| Decimal::from_str(s).unwrap()).collect();
+
+ b.iter(|| {
+ for d in &decimals {
+ let bytes = bincode::options().serialize(d).unwrap();
+ test::black_box(bytes);
+ }
+ })
+}
+
+#[cfg(feature = "serde-str")]
+#[bench]
+fn deserialize_bincode(b: &mut test::Bencher) {
+ let payloads: Vec<Vec<u8>> = SAMPLE_STRS
+ .iter()
+ .map(|s| bincode::options().serialize(&Decimal::from_str(s).unwrap()).unwrap())
+ .collect();
+
+ b.iter(|| {
+ for payload in &payloads {
+ let decimal: Decimal = bincode::options().deserialize(payload).unwrap();
+ test::black_box(decimal);
+ }
+ })
+}
+
+#[bench]
+fn decimal_from_str(b: &mut test::Bencher) {
+ b.iter(|| {
+ for s in SAMPLE_STRS {
+ let result = Decimal::from_str(s).unwrap();
+ test::black_box(result);
+ }
+ })
+}
+
+#[bench]
+fn decimal_to_string(b: &mut test::Bencher) {
+ let decimals: Vec<Decimal> = SAMPLE_STRS.iter().map(|s| Decimal::from_str(s).unwrap()).collect();
+
+ b.iter(|| {
+ for s in decimals.iter() {
+ let string = s.to_string();
+ test::black_box(string);
+ }
+ })
+}
+
+#[cfg(feature = "postgres")]
+#[bench]
+fn to_from_sql(b: &mut ::test::Bencher) {
+ use bytes::BytesMut;
+ use postgres::types::{FromSql, Kind, ToSql, Type};
+
+ let samples: Vec<Decimal> = test::black_box(SAMPLE_STRS.iter().map(|x| Decimal::from_str(x).unwrap()).collect());
+ let t = Type::new("".into(), 0, Kind::Simple, "".into());
+ let mut bytes: BytesMut = BytesMut::with_capacity(100).into();
+
+ b.iter(|| {
+ for _ in 0..100 {
+ for sample in &samples {
+ bytes.clear();
+ sample.to_sql(&t, &mut bytes).unwrap();
+ let result = Decimal::from_sql(&t, &bytes).unwrap();
+ ::test::black_box(result);
+ }
+ }
+ });
+}
+
+#[cfg(feature = "maths")]
+mod maths {
+ use rust_decimal::prelude::*;
+
+ #[bench]
+ fn powi(b: &mut ::test::Bencher) {
+ // These exponents have to be fairly small because multiplcation overflows easily
+ let samples = &[
+ (Decimal::from_str("36.7").unwrap(), 5),
+ (Decimal::from_str("0.00000007").unwrap(), 5),
+ (Decimal::from(2), 64),
+ (Decimal::from_str("8819287.19276555").unwrap(), 3),
+ (Decimal::from_str("-8819287.19276555").unwrap(), 3),
+ ];
+ b.iter(|| {
+ for sample in samples.iter() {
+ let result = sample.0.powi(sample.1);
+ ::test::black_box(result);
+ }
+ });
+ }
+
+ #[bench]
+ fn sqrt(b: &mut ::test::Bencher) {
+ let samples = &[
+ Decimal::from_str("36.7").unwrap(),
+ Decimal::from_str("0.00000007").unwrap(),
+ Decimal::from(2),
+ Decimal::from_str("8819287.19276555").unwrap(),
+ Decimal::from_str("-8819287.19276555").unwrap(),
+ ];
+ b.iter(|| {
+ for sample in samples.iter() {
+ let result = sample.sqrt();
+ ::test::black_box(result);
+ }
+ });
+ }
+
+ #[bench]
+ fn exp(b: &mut ::test::Bencher) {
+ let samples = &[
+ Decimal::from_str("3.7").unwrap(),
+ Decimal::from_str("0.07").unwrap(),
+ Decimal::from(2),
+ Decimal::from_str("8.19").unwrap(),
+ Decimal::from_str("-8.19").unwrap(),
+ ];
+ b.iter(|| {
+ for sample in samples.iter() {
+ let result = sample.exp();
+ ::test::black_box(result);
+ }
+ });
+ }
+
+ #[bench]
+ fn norm_cdf(b: &mut ::test::Bencher) {
+ let samples = &[
+ Decimal::from_str("3.7").unwrap(),
+ Decimal::from_str("0.007").unwrap(),
+ Decimal::from(2),
+ Decimal::from_str("1.19").unwrap(),
+ Decimal::from_str("-1.19").unwrap(),
+ ];
+ b.iter(|| {
+ for sample in samples.iter() {
+ let result = sample.norm_cdf();
+ ::test::black_box(result);
+ }
+ });
+ }
+
+ #[bench]
+ fn norm_pdf(b: &mut ::test::Bencher) {
+ let samples = &[
+ Decimal::from_str("3.7").unwrap(),
+ Decimal::from_str("0.007").unwrap(),
+ Decimal::from(2),
+ Decimal::from_str("1.19").unwrap(),
+ Decimal::from_str("-1.19").unwrap(),
+ ];
+ b.iter(|| {
+ for sample in samples.iter() {
+ let result = sample.norm_pdf();
+ ::test::black_box(result);
+ }
+ });
+ }
+
+ #[bench]
+ fn ln(b: &mut ::test::Bencher) {
+ let samples = &[
+ Decimal::from_str("36.7").unwrap(),
+ Decimal::from_str("0.00000007").unwrap(),
+ Decimal::from(2),
+ Decimal::from_str("8819287.19").unwrap(),
+ Decimal::from_str("-8819287.19").unwrap(),
+ ];
+ b.iter(|| {
+ for sample in samples.iter() {
+ let result = sample.ln();
+ ::test::black_box(result);
+ }
+ });
+ }
+
+ #[bench]
+ fn erf(b: &mut ::test::Bencher) {
+ let samples = &[
+ Decimal::from(0),
+ Decimal::from(1),
+ Decimal::from_str("-0.98717").unwrap(),
+ Decimal::from_str("0.07").unwrap(),
+ Decimal::from_str("0.1111").unwrap(),
+ Decimal::from_str("0.4").unwrap(),
+ ];
+ b.iter(|| {
+ for sample in samples.iter() {
+ let result = sample.erf();
+ ::test::black_box(result);
+ }
+ });
+ }
+}