diff options
Diffstat (limited to 'library/core/benches/num/flt2dec/strategy')
-rw-r--r-- | library/core/benches/num/flt2dec/strategy/dragon.rs | 76 | ||||
-rw-r--r-- | library/core/benches/num/flt2dec/strategy/grisu.rs | 83 |
2 files changed, 159 insertions, 0 deletions
diff --git a/library/core/benches/num/flt2dec/strategy/dragon.rs b/library/core/benches/num/flt2dec/strategy/dragon.rs new file mode 100644 index 000000000..319b9773e --- /dev/null +++ b/library/core/benches/num/flt2dec/strategy/dragon.rs @@ -0,0 +1,76 @@ +use super::super::*; +use core::num::flt2dec::strategy::dragon::*; +use std::mem::MaybeUninit; +use test::Bencher; + +#[bench] +fn bench_small_shortest(b: &mut Bencher) { + let decoded = decode_finite(3.141592f64); + let mut buf = [MaybeUninit::new(0); MAX_SIG_DIGITS]; + b.iter(|| { + format_shortest(&decoded, &mut buf); + }); +} + +#[bench] +fn bench_big_shortest(b: &mut Bencher) { + let decoded = decode_finite(f64::MAX); + let mut buf = [MaybeUninit::new(0); MAX_SIG_DIGITS]; + b.iter(|| { + format_shortest(&decoded, &mut buf); + }); +} + +#[bench] +fn bench_small_exact_3(b: &mut Bencher) { + let decoded = decode_finite(3.141592f64); + let mut buf = [MaybeUninit::new(0); 3]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_big_exact_3(b: &mut Bencher) { + let decoded = decode_finite(f64::MAX); + let mut buf = [MaybeUninit::new(0); 3]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_small_exact_12(b: &mut Bencher) { + let decoded = decode_finite(3.141592f64); + let mut buf = [MaybeUninit::new(0); 12]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_big_exact_12(b: &mut Bencher) { + let decoded = decode_finite(f64::MAX); + let mut buf = [MaybeUninit::new(0); 12]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_small_exact_inf(b: &mut Bencher) { + let decoded = decode_finite(3.141592f64); + let mut buf = [MaybeUninit::new(0); 1024]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_big_exact_inf(b: &mut Bencher) { + let decoded = decode_finite(f64::MAX); + let mut buf = [MaybeUninit::new(0); 1024]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} diff --git a/library/core/benches/num/flt2dec/strategy/grisu.rs b/library/core/benches/num/flt2dec/strategy/grisu.rs new file mode 100644 index 000000000..8e47a046c --- /dev/null +++ b/library/core/benches/num/flt2dec/strategy/grisu.rs @@ -0,0 +1,83 @@ +use super::super::*; +use core::num::flt2dec::strategy::grisu::*; +use std::mem::MaybeUninit; +use test::Bencher; + +pub fn decode_finite<T: DecodableFloat>(v: T) -> Decoded { + match decode(v).1 { + FullDecoded::Finite(decoded) => decoded, + full_decoded => panic!("expected finite, got {full_decoded:?} instead"), + } +} + +#[bench] +fn bench_small_shortest(b: &mut Bencher) { + let decoded = decode_finite(3.141592f64); + let mut buf = [MaybeUninit::new(0); MAX_SIG_DIGITS]; + b.iter(|| { + format_shortest(&decoded, &mut buf); + }); +} + +#[bench] +fn bench_big_shortest(b: &mut Bencher) { + let decoded = decode_finite(f64::MAX); + let mut buf = [MaybeUninit::new(0); MAX_SIG_DIGITS]; + b.iter(|| { + format_shortest(&decoded, &mut buf); + }); +} + +#[bench] +fn bench_small_exact_3(b: &mut Bencher) { + let decoded = decode_finite(3.141592f64); + let mut buf = [MaybeUninit::new(0); 3]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_big_exact_3(b: &mut Bencher) { + let decoded = decode_finite(f64::MAX); + let mut buf = [MaybeUninit::new(0); 3]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_small_exact_12(b: &mut Bencher) { + let decoded = decode_finite(3.141592f64); + let mut buf = [MaybeUninit::new(0); 12]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_big_exact_12(b: &mut Bencher) { + let decoded = decode_finite(f64::MAX); + let mut buf = [MaybeUninit::new(0); 12]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_small_exact_inf(b: &mut Bencher) { + let decoded = decode_finite(3.141592f64); + let mut buf = [MaybeUninit::new(0); 1024]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} + +#[bench] +fn bench_big_exact_inf(b: &mut Bencher) { + let decoded = decode_finite(f64::MAX); + let mut buf = [MaybeUninit::new(0); 1024]; + b.iter(|| { + format_exact(&decoded, &mut buf, i16::MIN); + }); +} |