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Servo: The parallel web engine
Servo is an experimental web engine developed by Mozilla and Samsung, designed to enhance performance for mobile and embedded systems through parallel processing. It leverages the Rust programming language to ensure safety and efficiency while addressing common issues in mobile web browsers such as slowness and security vulnerabilities. The document outlines Servo's objectives, current status, challenges, future plans, and invites contributions to the project.
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Servo: The parallel web engine
- 1. Servo: The parallelweb engine Bruno de Oliveira Abinader brunoabinader@gmail.com bruno.d@partner.samsung.com FISL 15 | 2014 | Porto Alegre, Brasil
- 2. /whoami abinader @ irc.freenode.org| irc.mozilla.org | irc.w3.org Ohloh: ohloh.net/accounts/brunoabinader GitHub: github.com/brunoabinader Blog: abinader.com.br
- 3. Introdução • Scenario: Mobile webbrowsers • What is Servo? What is Rust? • Servo: Objectives • Servo: Current status • Servo: Challenges and future plans • Contributing to Servo and Rust
- 4. Scenario: Mobile webbrowsers Predictions for 2014 and beyond*: • Web pages will grow in size and complexity • Focus on mobile web browsers performance • Devices will have more cores, not faster cores
- 5. Scenario: Mobile webbrowsers Load time of a web page in Desktop vs. Mobile**: Sources: http://www.webperformancetoday.com/2014/01/07/eight-web-performance-predictions-for-2014/ http://www.eecs.berkeley.edu/~lmeyerov/projects/pbrowser/pubfiles/playout.pdf
- 6. Scenario: Mobile webbrowsers Slowness causes: • Single-core mobile devices • Browsers do not adapt to multi-core devices • JavaScript code run in a single thread
- 7. Scenario: Mobile webbrowsers Further issues: • Huge code base: multiple architectures, multiple ports • Support for deprecated platforms, specifications and architectures • Security vulnerabilities on C++ memory management
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- 9. What is Servo? document html headbody title p DOM Example Hello World!
- 10. What is Servo? Servois an experimental web engine: • Developed by Mozilla, in partnership with Samsung • Aims to create a highly parallel and safe environment • Focus on mobile and embedded • Has symbiotic relationship with Rust programming language
- 11. What is Servo? Underthe hood: • SpiderMonkey JavaScript engine • Azure drawing library (Skia) • Hubbub HTML parser • Harfbuzz text shaping library
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- 13. What is Rust? Rustis a programming language: • Developed to be safe, concurrent and practical • Focus on creation of reliable and efficient systems • #2 on GitHub’s “repositories with most amount of closed issues” in 2013
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- 15. Servo: Objectives • Advantage fromparallelism in various levels • Eliminate common causes for bugs and security flaws • Based on WHATWG live specifications
- 16. Servo: Current status Wedo ACID2!
- 17. Servo: Challenges • Performance: Parallelismtrade-offs • Rust data structures • Rust language immaturity • Hostile libraries to parallelism and security controls
- 18. Servo: Challenges Strategies foroptimal parallelism: Task-based architecture Copy-on-write DOM Parallel rendering Tiled rendering Layered rendering Selector matching Parallel layout Text shaping Parallel parsing Image decoding Other decodings (eg. Video) GC JS in parallel with layout
- 19. Servo: Future plans Roadmapfor 2014: • Demonstrate better performance than other web engines (eg. Gecko, WebKit, Blink, Trident) • Implement all Servo architecture ACID2 | Parallel layout | HTML parser in Rust | Bidirectional writing | Vertical writing | Gestures | XMLHTTPRequest | Incremental layout | COW DOM | W3C Platform Tests | CSS WG tests | Android buildbot | Embedding | Pagination | CSSOM | CSS Properties | DOM bindings | Caching | FlexBox | Web Animations | Multiprocess | Multimedia | Sandboxing | Addons | Bookmarks | History | Cookies | …
- 20. Contributing to Servoand Rust • Contributions are welcome! • Servo: github.com/mozilla/servo • Rust: github.com/mozilla/rust | rust-lang.org • #servo | #rust | #rust-internals @ irc.mozilla.org • dev-servo | rust-dev @ lists.mozilla.org • Reviews: critic.hoppipolla.co.uk • News: blog.octayn.net
- 21. Contributing to Servoand Rust • Servo: Supported systems:
- 22. Contributing to Servoand Rust • First good bugs list @ GitHub issues • CSS properties • DOM Bindings • Janitoring • Tests • Documentation
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