logaritmisk/byte-ngram
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logaritmisk
2018-02-06 12:39:32 +01:00
parent 30852d02ee
commit 5eaaa0e98c
4 changed files with 18 additions and 44 deletions
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2
.gitignore vendored
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@@ -1,5 +1,3 @@
/target/
Cargo.lock
/.criterion/

2
Cargo.toml
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@@ -8,7 +8,7 @@ serde = "1.0"
serde_derive = "1.0"
[dev-dependencies]
criterion = { git = "https://github.com/japaric/criterion.rs.git" }
criterion = "0.2"
rand = "0.4"
[[bench]]

18
benches/bench.rs
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@@ -3,21 +3,21 @@ extern crate criterion;
extern crate byte_ngram;
use criterion::Criterion;
use criterion::{Benchmark, Criterion, Throughput};
use byte_ngram::*;
fn criterion_benchmark(c: &mut Criterion) {
let data = "Blackmail is such an ugly word. I prefer extortion. The 'x' makes it sound cool.";
let len = from_slice(&data[..]).len();
c.bench_function("from_slice", |b| {
b.iter(|| assert_eq!(len, from_slice(&data[..]).len()))
});
c.bench_function("ByteNgramReader", |b| {
b.iter(|| assert_eq!(len, Ngrams::from(&data).count()))
});
c.bench(
"parse",
Benchmark::new("from_slice", move |b| {
b.iter(|| from_slice(&data[..]).len())
}).with_function("Ngrams::from", move |b| {
b.iter(|| Ngrams::from(&data).count())
}).throughput(Throughput::Bytes(data.len() as u32)),
);
}
criterion_group!(benches, criterion_benchmark);

40
src/lib.rs
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@@ -188,22 +188,10 @@ mod tests {
#[test]
fn test_lhs() {
assert_eq!(
Ngram::from_slice("ab").lhs(),
Ngram::from_slice("a")
);
assert_eq!(
Ngram::from_slice("abc").lhs(),
Ngram::from_slice("ab")
);
assert_eq!(
Ngram::from_slice("abcd").lhs(),
Ngram::from_slice("abc")
);
assert_eq!(
Ngram::from_slice("abcde").lhs(),
Ngram::from_slice("abcd")
);
assert_eq!(Ngram::from_slice("ab").lhs(), Ngram::from_slice("a"));
assert_eq!(Ngram::from_slice("abc").lhs(), Ngram::from_slice("ab"));
assert_eq!(Ngram::from_slice("abcd").lhs(), Ngram::from_slice("abc"));
assert_eq!(Ngram::from_slice("abcde").lhs(), Ngram::from_slice("abcd"));
assert_eq!(
Ngram::from_slice("abcdef").lhs(),
Ngram::from_slice("abcde")
@@ -216,22 +204,10 @@ mod tests {
#[test]
fn test_rhs() {
assert_eq!(
Ngram::from_slice("ab").rhs(),
Ngram::from_slice("b")
);
assert_eq!(
Ngram::from_slice("abc").rhs(),
Ngram::from_slice("bc")
);
assert_eq!(
Ngram::from_slice("abcd").rhs(),
Ngram::from_slice("bcd")
);
assert_eq!(
Ngram::from_slice("abcde").rhs(),
Ngram::from_slice("bcde")
);
assert_eq!(Ngram::from_slice("ab").rhs(), Ngram::from_slice("b"));
assert_eq!(Ngram::from_slice("abc").rhs(), Ngram::from_slice("bc"));
assert_eq!(Ngram::from_slice("abcd").rhs(), Ngram::from_slice("bcd"));
assert_eq!(Ngram::from_slice("abcde").rhs(), Ngram::from_slice("bcde"));
assert_eq!(
Ngram::from_slice("abcdef").rhs(),
Ngram::from_slice("bcdef")