background preloader


Facebook Twitter

WebAssembly Demystified. My feeble attempt at a non-too-technical, mostly FUD- and hyperbole-free FAQ about WebAssembly.

WebAssembly Demystified

Is WebAssembly CPU machine code? No, WebAssembly is an intermediate format more akin to .NET or Java bytecode than machine code. If you don’t like the .NET or Java association, just think of it as an instruction set of a ‘fantasy CPU’. Is WebAssembly assembly code? No, ‘assembly code’ usually means the text representation of a specific CPU instruction set.

Is WebAssembly “Java Applets/ActiveX/Plugins 2.0”? No: it is different from Java Applets because it reuses the existing Javascript VM that already exists in browsers instead of adding another big VM which would have to be security-hardened. GitHub - dcodeIO/webassembly: A minimal toolkit and runtime to produce and run WebAssembly modules. WebAssembly 101: a developer's first steps. This article will guide you along the necessary steps to port a JavaScript library of the Conway's game of life to WebAssembly (wasm).

WebAssembly 101: a developer's first steps

This is a simple exercise that is perfect to start beyond a trivial Hello World. I recently got interested in WebAssembly and decided to take the leap this weekend. WebAssembly is an emerging standard to enable near-native performance for web applications. Basically it's asm.js done right as stated by @kripken (Dec. 9th 2015). GitHub - shi-yan/AssortedWidgets: OpenGL GUI library. Introduction to WebAssembly — Rasmus Andersson. WebAssembly, or WASM for short, is a new technology for running portable programs in a safe and efficient manner primarily aimed at the web platform.

Introduction to WebAssembly — Rasmus Andersson

Similarly to ASM.js, WASM aims at a low level-of abstraction suitable as an intermediate representation of a higher-level program — i.e. WebAssembly code is intended to be generated by compilers rather than being written by humans. The W3C community group includes representatives from the largest web-browser companies, including Google, Microsoft, Apple and Mozilla making this whole thing rather exciting. If you’re reading this chances are you’re already familiar with WASM to some extent. If you aren’t, this would be a good time to check out There are someexistingcompilers which are getting “WASM’d”, but this article is going to focus on creating WASM programs without lots of dependencies or high-level languages. Let’s get started. Wasm-reference-manual/ at master · sunfishcode/wasm-reference-manual.

Language-webassembly. A cartoon intro to WebAssembly. Gc/ at master · WebAssembly/gc. GitHub - sebmarkbage/ocamlrun-wasm: OCamlrun WebAssembly - OCaml Bytecode Interpreter in WASM. MIL WebDNN. Run Trained DNN Model on Web Browser Deep neural network (DNN) is getting much attention to use in many applications.


However, it requires a lot of computational resources, and there are many tremendous processes to setup execution environment based hardware acceleration such as GPGPU. Therefore providing DNN applications to end-users is very hard. WebDNN solves this problem by using web browser as installation-free DNN execution framework. This framework optimizes trained DNN model to compress the model data and accelerate the execution, and executes it with novel JavaScript API such as WebAssembly and WebGPU to achieve zero-overhead execution. WebAssembly playground. Understanding WebAssembly text format - WebAssembly.

To enable WebAssembly to be read and edited by humans, there is a textual representation of the wasm binary format.

Understanding WebAssembly text format - WebAssembly

This is an intermediate form designed to exposed in text editors, browser developer tools, etc. This article explains how that text format works, in terms of the raw syntax, and how it is related to the underlying bytecode it represents — and the wrapper objects representing wasm in JavaScript. Note: This is potentially overkill if you are a web developer who just wants to load a wasm module into a page and use it in your code (see Using the WebAssembly JavaScript API), but it is more useful if for example, you want to write wasm modules to optimize the performance of your JavaScript library, or build your own WebAssembly compiler.

S-expressions In both the binary and textual formats, the fundamental unit of code in WebAssembly is a module. WasmFiddle. WebAssembly Explorer. Getting Started With WebAssembly in Node.js. WebAssembly is an exciting new language that many JavaScript engines have added support for.

Getting Started With WebAssembly in Node.js

WebAssembly promises to make it much easier to compile languages like C and C++ to something that runs in the browser. However, I'm most excited about the ability to write optimized custom arithmetic and buffer manipulations, like, say, fast decimal floating point arithmetic in JavaScript without having to wait for TC39 to get around to it. In this article, I'll show you how to get a couple rudimentary WebAssembly examples running in Node.js, and run a couple trivial benchmarks to show the performance impact. Note: The code in this article was only tested on Node 7.2.1 with the --expose-wasm flag. The code will not work on Node 6.x or Node 7.6.0, and will not work without the --expose-wasm flag. Webassembly initial steps tutorial or how to start with wasm. UPDATE: we create a new tutorial using emscripten, which is a more standard way of working with webassembly.

Webassembly initial steps tutorial or how to start with wasm

Webassembly is a new new standard being emerging that could be very used in the future, this technology is being developed in a W3C Community Group with Apple, Google, Microsoft and Mozilla. The initial focus of the project is C/C++, so this is not a high level lenguage. Write and Run WebAssembly in your browser with WasmFiddle! A few weeks ago I wrote about how WebAssembly will fundamentally change the web, and might even kill off the app store.

Write and Run WebAssembly in your browser with WasmFiddle!

7 Things You Should Know About WebAssembly. In this post we will explore seven key facts about WebAssembly, one of the biggest changes the web will experience in the coming years.

7 Things You Should Know About WebAssembly

Will it meet our expectations? Read on! We Want WebAssembly. WebAssembly Overview: So Fast! So Fun! Sorta Difficult! - Lucidchart. A first look at WebAssembly performance – WebAssembly gives us the promise to run high performance code in the browser in a standardized way.

A first look at WebAssembly performance –

Now that there are a few WebAssembly previews available I decided it’s time to take a look at their performance. One source for benchmarks is the well known Computer Language Benchmarks Game and I decided to pick nbody (it’s almost four years ago since I did so last time…). After playing a bit with the results I decided to put the code on github. I’m looking forward to your corrections, improvements and feedback. I’m already excited what the results will look like in a few months… The following versions were compared: webAssembly: A WebAssembly version compiled from the original c version, because this turned out to be faster than the other version I checkedobject: The fastest javascript version from the Computer Language Benchmarks Game.

Here are the results: (click to enlarge) Firefox does pretty well. The fine print Browser versions: Blog. FortiGuard Labs has put together answers to some of the most frequently asked questions you may have about the new emerging technology called WebAssembly (WA). What is WebAssembly? WebAssembly is a low-level, portable, binary format for the web that aims to speed up web apps. It is designed to parse faster (up to 20X), and execute faster than JavaScript (JS). When was it announced? The WebAssembly Community Group was created in April 2015, with the mission of “promoting early-stage cross-browser collaboration on a new, portable, size- and load-time-efficient format suitable for compilation to the web.” How do I start? You will have to setup Emscripten SDK with Binaryen to convert your C/C++ or even Rust code to WA “.wasm” binary files, or use Lisp-like S-expression form as “.wast” (or .wat) text format, as explained in Figure 1, below. Figure 1: from source code to the web.

WASM Example. How to get a performance boost using WebAssembly – Hacker Noon. New year has just started and with it new resolutions to accomplish. How about learning how to use WebAssembly and get a performance boost? This article continues a serie of articles that we are writing about performance, go and check “How to get a performance boost using Node.js native addons” and “A 1300% performance gain with Ruby time parsing optimization!” ✌️ I want to demonstrate you today how to create and use WebAssembly modules and later on consume them from the browser like they were js modules. In order to do so I will take the Fibonacci algorithm, which we already discussed here and we will compare its performance running it as a normal javascript function vs a WebAssembly module. Implementations We are going to cover the same 3 techniques we already covered in the previous article: LoopRecursionMemoization The following snippets cover those implementations in Javascript and C. Execute millions of SQL statements in milliseconds in the browser with WebAssembly and Web Workers.

That’s a pretty long title but hopefully it caught your attention! I’ve always been fascinated by what can be achieved in terms of HTML and JavaScript in the browser. The amazing work being done by browser vendors on JavaScript performance is nothing short of amazing. Cheerp Blog: Cheerp 2.0 - support for WebAssembly, JavaScript, asm.js and mixed output modes. Cheerp is a C++ compiler for the Web platform. Roughly a year ago we released Cheerp 1.0 with the promise of making C++ a first class language for the Web, with full access to DOM and HTML5 APIs (including WebGL) and great performance. At that time, we could only partially meet that promise. With our early adopters starting to use Cheerp on real world, large scale applications, we were proud to see that Cheerp could indeed be used to seamlessly integrate C++ code into HTML5 apps. But we also realized that the performance of the compiled code was disappointing on real codebases.

OpenGL support in Emscripten — Emscripten 1.37.10 documentation. Emscripten provides three OpenGL modes: WebGL-friendly subset of OpenGL ES (default) — supports the set of OpenGL ES commands that map directly to WebGL.OpenGL ES 2.0 emulation — support for some emulated OpenGL ES 2.0 features that are not present in WebGL.Emulation of older Desktop OpenGL API features — support for a number of legacy GL 1.x features and commands. This topic provides information about the modes, and how they are enabled. Tech Talk: WebAssembly and the Future of the Browser. Ben Titzer @ VMSS16: A Little on V8 and WebAssembly.

GitHub - dcodeIO/AssemblyScript: A subset of TypeScript that compiles to WebAssembly. What WebAssembly means for React - Lin Clark aka @linclark at @ReactEurope 2017. GLSLWASMGIF. Wah, a slightly higher level language for WebAssembly, with a reference compiler in Clojure - Jay Phelps - WebAssembly Demystified. Compiling for the Web with WebAssembly (Google I/O '17) Fortinet Blog. Marianoguerra.github. GitHub - mbasso/asm-dom: A minimal WebAssembly virtual DOM focused on performance. WebAsm.