ipv4-display
| Crates.io | ipv4-display |
| lib.rs | ipv4-display |
| version | 0.2.1 |
| source | src |
| created_at | 2022-03-10 08:13:47.416351 |
| updated_at | 2022-03-10 11:00:48.430943 |
| description | A Rust crate for fast(er) IPv4 to string conversion. |
| homepage | |
| repository | |
| max_upload_size | |
| id | 547441 |
| size | 6,775 |
Yotam Ofek (yotamofek)
documentation
README
A more performant implementation of [fmt::Display] (and [fmt::Debug])
for the standard library's [Ipv4Addr] struct.
Benchmarks
Rough benchmarks (using Rust 1.59.0) show almost 3x improvements:
$ cargo version
cargo 1.59.0 (49d8809dc 2022-02-10)
$ RUSTFLAGS="-C target-cpu=broadwell" cargo bench --features ufmt
std 23.24.25.26 time: [113.38 ns 115.94 ns 118.48 ns]
Found 6 outliers among 100 measurements (6.00%)
1 (1.00%) low mild
5 (5.00%) high mild
ipv4-display 23.24.25.26
time: [42.332 ns 43.791 ns 45.442 ns]
Found 5 outliers among 100 measurements (5.00%)
4 (4.00%) high mild
1 (1.00%) high severe
ufmt 23.24.25.26 time: [47.831 ns 49.307 ns 50.811 ns]
Found 1 outliers among 100 measurements (1.00%)
1 (1.00%) high mild
std 213.2.33.213 time: [117.14 ns 119.85 ns 122.56 ns]
Found 1 outliers among 100 measurements (1.00%)
1 (1.00%) high mild
ipv4-display 213.2.33.213
time: [34.021 ns 35.096 ns 36.313 ns]
Found 4 outliers among 100 measurements (4.00%)
4 (4.00%) high mild
ufmt 213.2.33.213 time: [42.231 ns 43.505 ns 44.739 ns]