webassembly-lightning-talk/index.html at master · vindhya/webassembly-lightning-talk · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"
    />

    <title>WebAssembly</title>

    <link rel="stylesheet" href="css/reset.css" />
    <link rel="stylesheet" href="css/reveal.css" />
    <link rel="stylesheet" href="css/theme/moon.css" />

    <!-- Theme used for syntax highlighting of code -->
    <link rel="stylesheet" href="lib/css/monokai.css" />

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        ? 'css/print/pdf.css'
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  </head>
  <body>
    <div class="reveal">
      <div class="slides">
        <section>
          <h1>WebAssembly</h1>
          <!-- <h3>Subtitle</h3> -->
          <p>
            <small
              >Created by
              <a href="http://vindhya.ca" target="_blank"
                >Vindhya Raviraj</a
              ></small
            >
          </p>
        </section>

        <section>
          <img
            src="images/wasm-meme.jpeg"
            alt="WebAssembly is neither web, nor assembly. Discuss"
          />
        </section>

        <section>
          <h2>What is WebAssembly (Wasm)?</h2>
          <ul>
            <li>Standard to bring native code to web browsers</li>
            <ul>
              <li>Supported in all major browsers</li>
            </ul>
            <li>
              Compilation target for native programming languages such as, C,
              C++, Go, Rust
            </li>
          </ul>

          <aside class="notes">
            Compilation target to build a .wasm file for native programming
            languages like C, C++, C#, Go, and Rust
          </aside>
        </section>

        <section>
          <h2>Compilation target? Huh?</h2>
          <ul>
            <li>JS is interpreted and compiled in the browser</li>
            <li>Wasm is partially compiled ahead of time</li>
          </ul>

          <aside class="notes">
            <p>
              JavaScript is an interpreted language which means that, at a very
              high level, web browsers go through each line of source code and
              parse, optimize, and execute the code at runtime.
            </p>
            <p>
              When traditional languages are compiled they do some of this work
              ahead of when the code is actually executed - what is generated
              when these languages are compiled is called the Intermediate
              Representation. WebAssembly is a type of Intermediate
              Representation that web browsers understand.
            </p>
          </aside>
        </section>

        <section>
          <section>
            <img src="images/03-06-langs06.png" alt="" />
            <small>
              Source:
              <a
                href="https://hacks.mozilla.org/2017/02/a-crash-course-in-assembly/"
                target="_blank"
              >
                Lin Clark, Mozilla
              </a>
            </small>

            <aside class="notes">
              The Intermediate Representation (IR) is the bytecode that the
              compilers generate from source code. Machines can then take that
              representation and execute it.
            </aside>
          </section>

          <section>
            <img src="images/04-02-langs08.png" alt="" />
            <small>
              Source:
              <a
                href="https://hacks.mozilla.org/2017/02/a-crash-course-in-assembly/"
                target="_blank"
              >
                Lin Clark, Mozilla
              </a>
            </small>
          </section>
        </section>

        <section>
          <h2>Benefits</h2>
          <ul>
            <li>Fast, more consistently performant</li>
            <li>Smaller downloads</li>
            <li>All the benefits of web apps: linkable, secure, composable</li>
          </ul>

          <aside class="notes">
            <p>
              Because WebAssembly is already optimized for web browsers, its
              applications run more quickly and the file sizes are smaller.
            </p>
            <p>
              In addition, it gets all the other benefits that web apps have
            </p>
          </aside>
        </section>

        <section>
          <h2>Examples</h2>
          <ul>
            <li>
              AutoCAD now works
              <a
                href="https://web.autocad.com/acad/me/drawings/612245429/editor"
                target="_blank"
                >on the web</a
              >
            </li>
            <li>
              <a
                href="https://bellard.org/jslinux/vm.html?url=https://bellard.org/jslinux/win2k.cfg&mem=192&graphic=1&w=1024&h=768"
                target="_blank"
                >Windows 2000 emulation</a
              >
            </li>
            <li>
              Adobe Lightroom web app: A core image-editing library written in
              asm.js (pre-cursor to WebAssembly)
            </li>
            <li>
              eBay Barcode Scanner for web
              <a
                href="https://tech.ebayinc.com/engineering/webassembly-at-ebay-a-real-world-use-case/"
                target="_blank"
                >(article)</a
              >
            </li>
          </ul>
        </section>

        <section>
          <h2>Future</h2>
          <p>
            Library authors, like the React team, can rewrite modules in the
            library using Wasm
          </p>

          <aside class="notes">
            What's more exciting is what's to come with WebAssembly. Library
            authors, like the React team, can rewrite modules in the library
            using Wasm
          </aside>
        </section>

        <section>
          <h2>Thank you!</h2>
        </section>
      </div>
    </div>

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