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-rw-r--r--vendor/half/benches/convert.rs327
1 files changed, 327 insertions, 0 deletions
diff --git a/vendor/half/benches/convert.rs b/vendor/half/benches/convert.rs
new file mode 100644
index 0000000..53bae70
--- /dev/null
+++ b/vendor/half/benches/convert.rs
@@ -0,0 +1,327 @@
+use criterion::{criterion_group, criterion_main, Bencher, BenchmarkId, Criterion};
+use half::prelude::*;
+use std::{f32, f64, iter};
+
+const SIMD_LARGE_BENCH_SLICE_LEN: usize = 1024;
+
+fn bench_f32_to_f16(c: &mut Criterion) {
+ let mut group = c.benchmark_group("Convert f16 From f32");
+ for val in &[
+ 0.,
+ -0.,
+ 1.,
+ f32::MIN,
+ f32::MAX,
+ f32::MIN_POSITIVE,
+ f32::NEG_INFINITY,
+ f32::INFINITY,
+ f32::NAN,
+ f32::consts::E,
+ f32::consts::PI,
+ ] {
+ group.bench_with_input(BenchmarkId::new("f16::from_f32", val), val, |b, i| {
+ b.iter(|| f16::from_f32(*i))
+ });
+ }
+}
+
+fn bench_f64_to_f16(c: &mut Criterion) {
+ let mut group = c.benchmark_group("Convert f16 From f64");
+ for val in &[
+ 0.,
+ -0.,
+ 1.,
+ f64::MIN,
+ f64::MAX,
+ f64::MIN_POSITIVE,
+ f64::NEG_INFINITY,
+ f64::INFINITY,
+ f64::NAN,
+ f64::consts::E,
+ f64::consts::PI,
+ ] {
+ group.bench_with_input(BenchmarkId::new("f16::from_f64", val), val, |b, i| {
+ b.iter(|| f16::from_f64(*i))
+ });
+ }
+}
+
+fn bench_f16_to_f32(c: &mut Criterion) {
+ let mut group = c.benchmark_group("Convert f16 to f32");
+ for val in &[
+ f16::ZERO,
+ f16::NEG_ZERO,
+ f16::ONE,
+ f16::MIN,
+ f16::MAX,
+ f16::MIN_POSITIVE,
+ f16::NEG_INFINITY,
+ f16::INFINITY,
+ f16::NAN,
+ f16::E,
+ f16::PI,
+ ] {
+ group.bench_with_input(BenchmarkId::new("f16::to_f32", val), val, |b, i| {
+ b.iter(|| i.to_f32())
+ });
+ }
+}
+
+fn bench_f16_to_f64(c: &mut Criterion) {
+ let mut group = c.benchmark_group("Convert f16 to f64");
+ for val in &[
+ f16::ZERO,
+ f16::NEG_ZERO,
+ f16::ONE,
+ f16::MIN,
+ f16::MAX,
+ f16::MIN_POSITIVE,
+ f16::NEG_INFINITY,
+ f16::INFINITY,
+ f16::NAN,
+ f16::E,
+ f16::PI,
+ ] {
+ group.bench_with_input(BenchmarkId::new("f16::to_f64", val), val, |b, i| {
+ b.iter(|| i.to_f64())
+ });
+ }
+}
+
+criterion_group!(
+ f16_sisd,
+ bench_f32_to_f16,
+ bench_f64_to_f16,
+ bench_f16_to_f32,
+ bench_f16_to_f64
+);
+
+fn bench_slice_f32_to_f16(c: &mut Criterion) {
+ let mut constant_buffer = [f16::ZERO; 11];
+ let constants = [
+ 0.,
+ -0.,
+ 1.,
+ f32::MIN,
+ f32::MAX,
+ f32::MIN_POSITIVE,
+ f32::NEG_INFINITY,
+ f32::INFINITY,
+ f32::NAN,
+ f32::consts::E,
+ f32::consts::PI,
+ ];
+ c.bench_function(
+ "HalfFloatSliceExt::convert_from_f32_slice/constants",
+ |b: &mut Bencher<'_>| b.iter(|| constant_buffer.convert_from_f32_slice(&constants)),
+ );
+
+ let large: Vec<_> = iter::repeat(0)
+ .enumerate()
+ .map(|(i, _)| i as f32)
+ .take(SIMD_LARGE_BENCH_SLICE_LEN)
+ .collect();
+ let mut large_buffer = [f16::ZERO; SIMD_LARGE_BENCH_SLICE_LEN];
+ c.bench_function(
+ "HalfFloatSliceExt::convert_from_f32_slice/large",
+ |b: &mut Bencher<'_>| b.iter(|| large_buffer.convert_from_f32_slice(&large)),
+ );
+}
+
+fn bench_slice_f64_to_f16(c: &mut Criterion) {
+ let mut constant_buffer = [f16::ZERO; 11];
+ let constants = [
+ 0.,
+ -0.,
+ 1.,
+ f64::MIN,
+ f64::MAX,
+ f64::MIN_POSITIVE,
+ f64::NEG_INFINITY,
+ f64::INFINITY,
+ f64::NAN,
+ f64::consts::E,
+ f64::consts::PI,
+ ];
+ c.bench_function(
+ "HalfFloatSliceExt::convert_from_f64_slice/constants",
+ |b: &mut Bencher<'_>| b.iter(|| constant_buffer.convert_from_f64_slice(&constants)),
+ );
+
+ let large: Vec<_> = iter::repeat(0)
+ .enumerate()
+ .map(|(i, _)| i as f64)
+ .take(SIMD_LARGE_BENCH_SLICE_LEN)
+ .collect();
+ let mut large_buffer = [f16::ZERO; SIMD_LARGE_BENCH_SLICE_LEN];
+ c.bench_function(
+ "HalfFloatSliceExt::convert_from_f64_slice/large",
+ |b: &mut Bencher<'_>| b.iter(|| large_buffer.convert_from_f64_slice(&large)),
+ );
+}
+
+fn bench_slice_f16_to_f32(c: &mut Criterion) {
+ let mut constant_buffer = [0f32; 11];
+ let constants = [
+ f16::ZERO,
+ f16::NEG_ZERO,
+ f16::ONE,
+ f16::MIN,
+ f16::MAX,
+ f16::MIN_POSITIVE,
+ f16::NEG_INFINITY,
+ f16::INFINITY,
+ f16::NAN,
+ f16::E,
+ f16::PI,
+ ];
+ c.bench_function(
+ "HalfFloatSliceExt::convert_to_f32_slice/constants",
+ |b: &mut Bencher<'_>| b.iter(|| constants.convert_to_f32_slice(&mut constant_buffer)),
+ );
+
+ let large: Vec<_> = iter::repeat(0)
+ .enumerate()
+ .map(|(i, _)| f16::from_f32(i as f32))
+ .take(SIMD_LARGE_BENCH_SLICE_LEN)
+ .collect();
+ let mut large_buffer = [0f32; SIMD_LARGE_BENCH_SLICE_LEN];
+ c.bench_function(
+ "HalfFloatSliceExt::convert_to_f32_slice/large",
+ |b: &mut Bencher<'_>| b.iter(|| large.convert_to_f32_slice(&mut large_buffer)),
+ );
+}
+
+fn bench_slice_f16_to_f64(c: &mut Criterion) {
+ let mut constant_buffer = [0f64; 11];
+ let constants = [
+ f16::ZERO,
+ f16::NEG_ZERO,
+ f16::ONE,
+ f16::MIN,
+ f16::MAX,
+ f16::MIN_POSITIVE,
+ f16::NEG_INFINITY,
+ f16::INFINITY,
+ f16::NAN,
+ f16::E,
+ f16::PI,
+ ];
+ c.bench_function(
+ "HalfFloatSliceExt::convert_to_f64_slice/constants",
+ |b: &mut Bencher<'_>| b.iter(|| constants.convert_to_f64_slice(&mut constant_buffer)),
+ );
+
+ let large: Vec<_> = iter::repeat(0)
+ .enumerate()
+ .map(|(i, _)| f16::from_f64(i as f64))
+ .take(SIMD_LARGE_BENCH_SLICE_LEN)
+ .collect();
+ let mut large_buffer = [0f64; SIMD_LARGE_BENCH_SLICE_LEN];
+ c.bench_function(
+ "HalfFloatSliceExt::convert_to_f64_slice/large",
+ |b: &mut Bencher<'_>| b.iter(|| large.convert_to_f64_slice(&mut large_buffer)),
+ );
+}
+
+criterion_group!(
+ f16_simd,
+ bench_slice_f32_to_f16,
+ bench_slice_f64_to_f16,
+ bench_slice_f16_to_f32,
+ bench_slice_f16_to_f64
+);
+
+fn bench_f32_to_bf16(c: &mut Criterion) {
+ let mut group = c.benchmark_group("Convert bf16 From f32");
+ for val in &[
+ 0.,
+ -0.,
+ 1.,
+ f32::MIN,
+ f32::MAX,
+ f32::MIN_POSITIVE,
+ f32::NEG_INFINITY,
+ f32::INFINITY,
+ f32::NAN,
+ f32::consts::E,
+ f32::consts::PI,
+ ] {
+ group.bench_with_input(BenchmarkId::new("bf16::from_f32", val), val, |b, i| {
+ b.iter(|| bf16::from_f32(*i))
+ });
+ }
+}
+
+fn bench_f64_to_bf16(c: &mut Criterion) {
+ let mut group = c.benchmark_group("Convert bf16 From f64");
+ for val in &[
+ 0.,
+ -0.,
+ 1.,
+ f64::MIN,
+ f64::MAX,
+ f64::MIN_POSITIVE,
+ f64::NEG_INFINITY,
+ f64::INFINITY,
+ f64::NAN,
+ f64::consts::E,
+ f64::consts::PI,
+ ] {
+ group.bench_with_input(BenchmarkId::new("bf16::from_f64", val), val, |b, i| {
+ b.iter(|| bf16::from_f64(*i))
+ });
+ }
+}
+
+fn bench_bf16_to_f32(c: &mut Criterion) {
+ let mut group = c.benchmark_group("Convert bf16 to f32");
+ for val in &[
+ bf16::ZERO,
+ bf16::NEG_ZERO,
+ bf16::ONE,
+ bf16::MIN,
+ bf16::MAX,
+ bf16::MIN_POSITIVE,
+ bf16::NEG_INFINITY,
+ bf16::INFINITY,
+ bf16::NAN,
+ bf16::E,
+ bf16::PI,
+ ] {
+ group.bench_with_input(BenchmarkId::new("bf16::to_f32", val), val, |b, i| {
+ b.iter(|| i.to_f32())
+ });
+ }
+}
+
+fn bench_bf16_to_f64(c: &mut Criterion) {
+ let mut group = c.benchmark_group("Convert bf16 to f64");
+ for val in &[
+ bf16::ZERO,
+ bf16::NEG_ZERO,
+ bf16::ONE,
+ bf16::MIN,
+ bf16::MAX,
+ bf16::MIN_POSITIVE,
+ bf16::NEG_INFINITY,
+ bf16::INFINITY,
+ bf16::NAN,
+ bf16::E,
+ bf16::PI,
+ ] {
+ group.bench_with_input(BenchmarkId::new("bf16::to_f64", val), val, |b, i| {
+ b.iter(|| i.to_f64())
+ });
+ }
+}
+
+criterion_group!(
+ bf16_sisd,
+ bench_f32_to_bf16,
+ bench_f64_to_bf16,
+ bench_bf16_to_f32,
+ bench_bf16_to_f64
+);
+
+criterion_main!(f16_sisd, bf16_sisd, f16_simd);
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