mbrubeck

Parallel Layout in Gecko

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.

Dividing work between Gecko and Servo

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

mbrubeck

actors
asciiutils
autoimpl
basichll
bloomfilter
cargotest
concurrenthashmap
corefoundationsys
coremidi
coremidisys

mbrubeck

extern crate unicode_segmentation;
use unicode_segmentation::UnicodeSegmentation;

fn main() {
    let namaste = "नमस्ते";
    println!("{}", namaste);
    let etsaman = namaste.graphemes(true).rev().collect::<String>();
    println!("{}", etsaman);
}

mbrubeck

<table>
  <tr>
    <td></td>
    <td rowspan=3></td>
    <td rowspan=2></td>
  </tr>
  <tr>                    incoming_rowspan: [0, 2, 1]
     <td></td>
  </tr>
  <tr>                    incoming_rospwan: [0, 1, 0]

mbrubeck

--- powi.txt	2018-02-15 10:00:35.322876392 -0800
+++ powf.txt	2018-02-15 10:00:51.822900588 -0800
@@ -171,13 +171,13 @@
     22528399544939170000000000000000000.0,
     67585198634817530000000000000000000.0,
     202755595904452570000000000000000000.0,
-    608266787713357700000000000000000000.0,
+    608266787713357740000000000000000000.0,
     1824800363140073200000000000000000000.0,
     5474401089420219000000000000000000000.0,

mbrubeck

extern crate ssh2;

use std::net::TcpStream;
use ssh2::Session;


fn create_session() -> (TcpStream, Session) {
    let tcp = TcpStream::connect("test:22").expect("Cannot connect");
    let mut sess = Session::new().expect("cannot start session");
    sess.handshake(&tcp).expect("handshake failed");

mbrubeck

use std::io::{BufReader, BufWriter};
use std::fs::File;

let src = BufReader::new(File::open("input.txt"))?;
let dst = BufWriter::new(File::create("output.txt"))?;

mbrubeck

$ hg log -r FIREFOX_59_0_2_RELEASE..FIREFOX_59_0_3_RELEASE
changeset:   471206:239e434d6d2b
tag:         FENNEC_59_0_2_BUILD1
tag:         FENNEC_59_0_2_RELEASE
tag:         FIREFOX_59_0_2_BUILD1
tag:         FIREFOX_59_0_2_RELEASE
user:        Vlad Baicu <[email protected]>
date:        Thu Mar 22 13:46:41 2018 -0700
summary:     Bug 1444549 - Remove unused IconTabWidget XML attr. r=mcomella, a=RyanVM

mbrubeck

armv7_unknown_cloudabi_eabihf        cortex-a8
i686_apple_darwin                    yonah
i686_linux_android                   pentiumpro
i686_pc_windows_gnu                  pentium4
i686_pc_windows_msvc                 pentium4
i686_unknown_cloudabi                pentium4
i686_unknown_dragonfly               pentium4
i686_unknown_freebsd                 pentium4
i686_unknown_haiku                   pentium4
i686_unknown_linux_gnu               pentium4

mbrubeck

pub fn render(library: &Library, state: &mut State, mut stack: Vec<String>, expression: &mut Expression) -> Expression {
    match expression {
        // We have a symbolic expression that we have to evaluate
        Expression::Symbolic(ref mut args) | Expression::NotDone(ref mut args) => {
            // If we have a valid expression (unnamed ones are not allowed)
            if args.len() > 0 {
                // Get the first nested expression
                return match args.remove(0) {
                    // If the first expression is a plain literal
                    Expression::Literal(Literal::S(name)) => {