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The Servo Browser Engine
425210b9b4
This series of patches implements style struct sharing as found in existing browser engines, as well as a bunch of related important optimizations. With them, we are faster than Blink, WebKit, and Gecko on the rainbow page for style recalc in sequential mode by at least 15%. Parallel gains are mixed—the rainbow page turns out to be a degenerate sequential case for the LRU cache used to track candidates for style sharing and so there is no improvement. For cases in which the cache is not hit, such as `perf-rainbow-hard.html`, we are around 25% slower than Blink sequentially, but have very large parallel wins so that we are around 2x faster at style recalc. (Note that parallel flow tree construction will improve this further.) This patch series also fixes, as near as I can tell, some bugs related to ordering of properties that other properties depend on in selector matching. r? @larsbergstrom feedback? @SimonSapin (for selector matching changes) feedback? @bzbarsky (for style sharing heuristics) |
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| src | ||
| .gitignore | ||
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| configure | ||
| CONTRIBUTING.md | ||
| Info.plist | ||
| LICENSE | ||
| Makefile.backup | ||
| Makefile.in | ||
| README.md | ||
The Servo Parallel Browser Project
Servo is a prototype web browser engine written in the Rust language. It is currently developed on 64bit OS X and 64bit Linux.
Servo welcomes contribution from everyone. See
CONTRIBUTING.md for help getting started.
Prerequisites
On OS X (homebrew):
brew install https://raw.github.com/Homebrew/homebrew-versions/master/autoconf213.rb
brew install automake libtool pkg-config
On OS X (MacPorts):
sudo port install autoconf213
On Debian-based Linuxes:
sudo apt-get install autoconf2.13 curl freeglut3-dev libtool \
libfreetype6-dev libfontconfig1-dev libgl1-mesa-dri libglib2.0-dev \
xorg-dev msttcorefonts
On Debian-based Linuxes (cross-compilation for Android):
sudo apt-get install autoconf2.13 curl libtool ia32-libs
And it needs pre-installed Android tools. See wiki for details
Servo builds its own copy of Rust, so there is no need to provide a Rust compiler.
Building
Servo cannot be built in-tree; you must create a directory in which to run configure and make and place the build artifacts.
git clone https://github.com/mozilla/servo.git
cd servo
mkdir -p build && cd build
../configure
make && make check
./servo ../src/test/html/about-mozilla.html
###Building for Android target
git clone https://github.com/mozilla/servo.git
cd servo
mkdir -p build && cd build
../configure --target-triples=arm-linux-androideabi --android-cross-path=<Android toolchain path> --android-ndk-path=<Android NDK path> --android-sdk-path=<Android SDK path>
make
Running
Commandline Arguments
-p INTERVALturns on the profiler and dumps info to the console everyINTERVALseconds-s SIZEsets the tile size for rendering; defaults to 512-zdisables all graphical output; useful for running JS / layout tests
Keyboard Shortcuts
Ctrl-Lopens a dialog to browse to a new URL (Mac only currently)Ctrl--zooms outCtrl-=zooms inBackspacegoes backwards in the historyShift-Backspacegoes forwards in the historyEscexits servo
Developing
There are lots of make targets you can use:
make clean- cleans Servo and its dependencies, but not Rustmake clean-rust- cleans Rustmake clean-servo- only cleans Servo itself (code insrc/componentsmake clean-DEP- cleans the dependencyDEP. e.g.make clean-rust-openglesmake bindings- generate the Rust WebIDL bindingsmake DEP- builds only the specified dependency. e.g.make rust-openglesmake check-DEP- build and run tests for specified dependency