| test environment | |
| rustc 1.16.0-nightly (5d994d8b7 2017-01-05) | |
| Thinkpad X1 Carbon Touch (2012) | |
| Intel(R) Core(TM) i7-3667U CPU @ 2.00GHz | |
| cpufreq-set -g performance | |
| no other programs running | |
| all results are after one run to warm up the cache | |
| regex | |
| opt-level = 3 |
| #![allow(dead_code)] | |
| use chrono::prelude::*; | |
| use chrono::Duration; | |
| use redux_rs::{Store, Subscription}; | |
| use std::boxed::Box; | |
| #[derive(Clone, Copy, Debug, Eq, PartialEq)] | |
| struct State { | |
| date: Date<Utc>, |
| // ==UserScript== | |
| // @name Randomize Hacker News | |
| // @namespace http://limpet.net/mbrubeck/ | |
| // @description Promote random new or low-ranked stories to the Hacker News front page. | |
| // @include http://news.ycombinator.com/ | |
| // @include http://news.ycombinator.com/news | |
| // @include https://news.ycombinator.com/ | |
| // @include https://news.ycombinator.com/news | |
| // ==/UserScript== |
| test header_map order_map_fnv std_map_fnv order_map_seahash vec_map | |
| get_100_std 623 613 393 1,511 2,628 | |
| get_10_custom_short 103 97 91 259 389 | |
| get_10_of_20_std 54 52 39 114 42 | |
| hn_hdrs_set_11_get_with_miss 774 739 771 1,062 735 | |
| hn_hdrs_set_8_get_many 664 680 701 912 470 | |
| hn_hdrs_set_8_get_miss 502 543 616 593 373 | |
| insert_100_custom_headers 6,331 5,924 14,043 6,900 28,461 | |
| insert_4_std_get_30 381 360 460 580 357 | |
| insert_500_custom_headers 30,174 26,153 54,672 32,465 568,644 |
| test basic::get_100_std::header_map ... bench: 623 ns/iter (+/- 145) | |
| test basic::get_100_std::order_map_fnv ... bench: 613 ns/iter (+/- 244) | |
| test basic::get_100_std::order_map_seahash ... bench: 1,511 ns/iter (+/- 237) | |
| test basic::get_100_std::std_map_fnv ... bench: 393 ns/iter (+/- 27) | |
| test basic::get_100_std::vec_map ... bench: 2,628 ns/iter (+/- 147) | |
| test basic::get_10_custom_short::header_map ... bench: 103 ns/iter (+/- 12) | |
| test basic::get_10_custom_short::order_map_fnv ... bench: 97 ns/iter (+/- 13) | |
| test basic::get_10_custom_short::order_map_seahash ... bench: 259 ns/iter (+/- 34) | |
| test basic::get_10_custom_short::std_map_fnv ... bench: 91 ns/iter (+/- 10) | |
| test basic::get_10_custom_short::vec_map ... bench: 389 ns/iter (+/- 32) |
Now that Gecko uses Servo's parallel style system, we want to work outward from there. The next phase could be parallel frame construction, and after that, parallel layout using Servo layout code.
We want to ship this work incrementally (every six weeks), without needing to replace the entire layout system at once. There are a few ways we can convert
| [package] | |
| name = "pb" | |
| version = "0.1.0" | |
| authors = ["Matt Brubeck <mbrubeck@limpet.net>"] | |
| edition = "2018" | |
| [[bin]] | |
| name = "pb" | |
| path = "main.rs" |
| [package] | |
| name = "foo" | |
| version = "0.1.0" | |
| authors = ["Matt Brubeck <mbrubeck@limpet.net>"] | |
| edition = "2018" | |
| [dependencies] | |
| [build-dependencies] | |
| smallvec = "0.6" |
| #![feature(test)] | |
| extern crate test; | |
| trait Max2 { | |
| type Item; | |
| fn max_by_key2<B: Ord, F>(self, f: F) -> Option<Self::Item> where | |
| Self: Sized, | |
| F: FnMut(&Self::Item) -> B; | |
| } |
| use itertools::zip; | |
| use std::ops::{BitXor, BitXorAssign}; | |
| pub fn xor<T>(x: &[T], y: &[T]) -> Vec<T> | |
| where T: BitXor<Output=T> + Copy { | |
| zip(x, y).map(|(a, b)| *a ^ *b).collect() | |
| } | |
| pub fn xor_with<T>(x: &mut [T], y: &[T]) | |
| where T: BitXorAssign + Copy { |