zed/crates/sum_tree/Cargo.toml
Antonio Scandurra 4431ef1870
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Speed up point translation in the Rope (#19913)
This pull request introduces an index of Unicode codepoints, newlines
and UTF-16 codepoints.

Benchmarks worth a thousand words:

```
push/4096               time:   [467.06 µs 470.07 µs 473.24 µs]
                        thrpt:  [8.2543 MiB/s 8.3100 MiB/s 8.3635 MiB/s]
                 change:
                        time:   [-4.1462% -3.0990% -2.0527%] (p = 0.00 < 0.05)
                        thrpt:  [+2.0957% +3.1981% +4.3255%]
                        Performance has improved.
Found 3 outliers among 100 measurements (3.00%)
  1 (1.00%) low mild
  2 (2.00%) high mild
push/65536              time:   [1.4650 ms 1.4796 ms 1.4922 ms]
                        thrpt:  [41.885 MiB/s 42.242 MiB/s 42.664 MiB/s]
                 change:
                        time:   [-3.2871% -2.3489% -1.4555%] (p = 0.00 < 0.05)
                        thrpt:  [+1.4770% +2.4054% +3.3988%]
                        Performance has improved.
Found 6 outliers among 100 measurements (6.00%)
  3 (3.00%) low severe
  3 (3.00%) low mild

append/4096             time:   [729.00 ns 730.57 ns 732.14 ns]
                        thrpt:  [5.2103 GiB/s 5.2215 GiB/s 5.2327 GiB/s]
                 change:
                        time:   [-81.884% -81.836% -81.790%] (p = 0.00 < 0.05)
                        thrpt:  [+449.16% +450.53% +452.01%]
                        Performance has improved.
Found 11 outliers among 100 measurements (11.00%)
  3 (3.00%) low mild
  6 (6.00%) high mild
  2 (2.00%) high severe
append/65536            time:   [504.44 ns 505.58 ns 506.77 ns]
                        thrpt:  [120.44 GiB/s 120.72 GiB/s 121.00 GiB/s]
                 change:
                        time:   [-94.833% -94.807% -94.782%] (p = 0.00 < 0.05)
                        thrpt:  [+1816.3% +1825.8% +1835.5%]
                        Performance has improved.
Found 4 outliers among 100 measurements (4.00%)
  3 (3.00%) high mild
  1 (1.00%) high severe

slice/4096              time:   [29.661 µs 29.733 µs 29.816 µs]
                        thrpt:  [131.01 MiB/s 131.38 MiB/s 131.70 MiB/s]
                 change:
                        time:   [-48.833% -48.533% -48.230%] (p = 0.00 < 0.05)
                        thrpt:  [+93.161% +94.298% +95.440%]
                        Performance has improved.
slice/65536             time:   [588.00 µs 590.22 µs 592.17 µs]
                        thrpt:  [105.54 MiB/s 105.89 MiB/s 106.29 MiB/s]
                 change:
                        time:   [-45.599% -45.347% -45.099%] (p = 0.00 < 0.05)
                        thrpt:  [+82.147% +82.971% +83.821%]
                        Performance has improved.
Found 2 outliers among 100 measurements (2.00%)
  1 (1.00%) low severe
  1 (1.00%) high mild

bytes_in_range/4096     time:   [3.8630 µs 3.8811 µs 3.8994 µs]
                        thrpt:  [1001.8 MiB/s 1006.5 MiB/s 1011.2 MiB/s]
                 change:
                        time:   [+0.0600% +0.6000% +1.1833%] (p = 0.03 < 0.05)
                        thrpt:  [-1.1695% -0.5964% -0.0600%]
                        Change within noise threshold.
bytes_in_range/65536    time:   [98.178 µs 98.545 µs 98.931 µs]
                        thrpt:  [631.75 MiB/s 634.23 MiB/s 636.60 MiB/s]
                 change:
                        time:   [-0.6513% +0.7537% +2.2265%] (p = 0.30 > 0.05)
                        thrpt:  [-2.1780% -0.7481% +0.6555%]
                        No change in performance detected.
Found 11 outliers among 100 measurements (11.00%)
  8 (8.00%) high mild
  3 (3.00%) high severe

chars/4096              time:   [878.91 ns 879.45 ns 880.06 ns]
                        thrpt:  [4.3346 GiB/s 4.3376 GiB/s 4.3403 GiB/s]
                 change:
                        time:   [+9.1679% +9.4000% +9.6304%] (p = 0.00 < 0.05)
                        thrpt:  [-8.7844% -8.5923% -8.3979%]
                        Performance has regressed.
Found 8 outliers among 100 measurements (8.00%)
  1 (1.00%) low severe
  1 (1.00%) low mild
  3 (3.00%) high mild
  3 (3.00%) high severe
chars/65536             time:   [15.615 µs 15.691 µs 15.757 µs]
                        thrpt:  [3.8735 GiB/s 3.8899 GiB/s 3.9087 GiB/s]
                 change:
                        time:   [+5.4902% +5.9345% +6.4044%] (p = 0.00 < 0.05)
                        thrpt:  [-6.0190% -5.6021% -5.2045%]
                        Performance has regressed.
Found 2 outliers among 100 measurements (2.00%)
  2 (2.00%) low mild

clip_point/4096         time:   [29.677 µs 29.835 µs 30.019 µs]
                        thrpt:  [130.13 MiB/s 130.93 MiB/s 131.63 MiB/s]
                 change:
                        time:   [-46.306% -45.866% -45.436%] (p = 0.00 < 0.05)
                        thrpt:  [+83.272% +84.728% +86.240%]
                        Performance has improved.
Found 11 outliers among 100 measurements (11.00%)
  3 (3.00%) high mild
  8 (8.00%) high severe
clip_point/65536        time:   [1.5933 ms 1.6116 ms 1.6311 ms]
                        thrpt:  [38.318 MiB/s 38.782 MiB/s 39.226 MiB/s]
                 change:
                        time:   [-30.388% -29.598% -28.717%] (p = 0.00 < 0.05)
                        thrpt:  [+40.286% +42.040% +43.653%]
                        Performance has improved.
Found 3 outliers among 100 measurements (3.00%)
  3 (3.00%) high mild


running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 7 filtered out; finished in 0.00s

point_to_offset/4096    time:   [14.493 µs 14.591 µs 14.707 µs]
                        thrpt:  [265.61 MiB/s 267.72 MiB/s 269.52 MiB/s]
                 change:
                        time:   [-71.990% -71.787% -71.588%] (p = 0.00 < 0.05)
                        thrpt:  [+251.96% +254.45% +257.01%]
                        Performance has improved.
Found 9 outliers among 100 measurements (9.00%)
  5 (5.00%) high mild
  4 (4.00%) high severe
point_to_offset/65536   time:   [700.72 µs 713.75 µs 727.26 µs]
                        thrpt:  [85.939 MiB/s 87.566 MiB/s 89.194 MiB/s]
                 change:
                        time:   [-61.778% -61.015% -60.256%] (p = 0.00 < 0.05)
                        thrpt:  [+151.61% +156.51% +161.63%]
                        Performance has improved.
```

Calling `Rope::chars` got slightly slower but I don't think it's a big
issue (we don't really call `chars` for an entire `Rope`).

In a future pull request, I want to use the tab index (which we're not
yet using) and the char index to make `TabMap` a lot faster.

Release Notes:

- N/A
2024-10-30 10:59:03 +01:00

23 lines
347 B
TOML

[package]
name = "sum_tree"
version = "0.1.0"
edition = "2021"
publish = false
license = "Apache-2.0"
[lints]
workspace = true
[lib]
path = "src/sum_tree.rs"
doctest = false
[dependencies]
arrayvec = "0.7.1"
rayon.workspace = true
log.workspace = true
[dev-dependencies]
ctor.workspace = true
env_logger.workspace = true
rand.workspace = true