js-compute-runtime

JavaScript SDK and runtime for building Fastly Compute applications (by fastly)

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js-compute-runtime reviews and mentions

Posts with mentions or reviews of js-compute-runtime. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-07-04.
  • What sorts of things would you consider to be “advanced” javascript concepts?
    3 projects | /r/learnjavascript | 4 Jul 2023
    There are multiple JavaScript runtimes. SpiderMonkey is one example that has nothing to do with Node.js, see (js-compute-runtime)[https://github.com/fastly/js-compute-runtime].
  • [AskJS] Has anybody implemented and compiled ServiceWorker specification to a standalone executable?
    19 projects | /r/javascript | 4 Mar 2023
  • JavaScript support hits 1.0 milestone on Compute@Edge
    4 projects | dev.to | 19 Dec 2022
    We listened to the community feedback, filled in feature gaps, and addressed many bugs in the SDK. Not only that, we’ve also overhauled the SDK reference docs making it easier for you to know what’s supported and how to implement the features. All the Fastly specific features of the JS SDK now have interactive example applications in the documentation.
  • Workerd: The Open Source Cloudflare Workers Runtime
    7 projects | news.ycombinator.com | 27 Sep 2022
  • Wasmtime 1.0
    14 projects | news.ycombinator.com | 20 Sep 2022
    These are good questions! Here's some answers from the corner of the world I know best as a Wasmtime contributor at Fastly:

    1. Spidermonkey.wasm is the basis of Fastly's JavaScript on Compute@Edge support. We have found it to be faster than QuickJS. The source code is here: https://github.com/fastly/js-compute-runtime.

    2. Fastly Compute@Edge is built on wasmtime. You can develop web services for it in Rust, JS, and Go: https://developer.fastly.com/learning/compute/

    3. Fastly's multi-tenant platform is closed source, but our single-tenant local development platform, which also uses wasmtime under the hood as well, is open source: https://github.com/fastly/viceroy. It isn't a big leap to make viceroy multi-tenant: Wasmtime provides everything you need, and all Viceroy would have to do is dispatch on e.g. HTTP host header to the correct tenant. Our multi-tenant platform is closed source because it is very specialized for use on Fastly's edge, not because the multi-tenant aspect is special.

  • Fastly Compute Edge JavaScript Runtime
    1 project | news.ycombinator.com | 24 Apr 2022
    1 project | news.ycombinator.com | 23 Apr 2022
  • Debunking Cloudflare’s recent performance tests
    5 projects | news.ycombinator.com | 6 Dec 2021
    btw. for what it's worth their javascript to wasm is opensource:

    - https://github.com/fastly/js-compute-runtime

    - https://github.com/tschneidereit/spidermonkey-wasi-embedding

    and besides that it is slower than nodejs it is still plenty fast (no matter that it is not as fast as they want) btw. it's startup is faster than node. (maybe better pgo might help)

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    coderabbit.ai | 16 Feb 2025
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