69: To type or not to type — measuring productivity impact with DAT

69: To type or not to type — measuring productivity impact with DAT

Do types actually make you more productive or is it just more typing for you to do on the keyboard? That's just one of the questions we managed to answer at least on a small scale with Diff Authoring Time or DAT, here at Meta. Want to know how we leverage metrics to run experiments on productivity in our internal codebase? Tune in to episode 69.

Got feedback? Send it to us on Threads (https://threads.net/@metatechpod), Instagram (https://instagram.com/metatechpod) and don't forget to follow our host @passy (https://mastodon.social/@passy, and https://threads.net/@passy_). Fancy working with us? Check out https://www.metacareers.com/.

Links

Timestamps

  • Intro 0:06

  • Henri Intro 1:45

  • Ian Intro 3:13

  • Moritz Re-Intro 3:28

  • DAT Recap 3:48

  • What is Hack? 4:20

  • Inner and outer loop 14:13

  • Experimenting with language features 17:47

  • Code sharing frameworks at Meta 27:43

  • Measuring framework productivity 29:01

  • Will we see more experiments? 34:23

  • Time savings from code sharing 37:28

  • Outro 39:03

  • Blooper 39:52

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Episoder(91)

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84: Trust But Canary: Configuration Safety at Scale

84: Trust But Canary: Configuration Safety at Scale

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83: Patch Me If You Can: AI Codemods for Secure-by-Default Android Apps

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At Meta, even seemingly simple engineering tasks—like updating an API—become monumental undertakings when you're dealing with millions of lines of code and thousands of engineers, especially if the ch...

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82: CSS at Scale with StyleX

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81: From Zero to Polish: Building Meta Ray-Ban Display

81: From Zero to Polish: Building Meta Ray-Ban Display

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80: Lowering emissions with the Open Compute Project

80: Lowering emissions with the Open Compute Project

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79: Building Android apps in Meta's monorepository with Buck2

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78: Generating 3D Worlds with AI

78: Generating 3D Worlds with AI

Creating 3D assets can be daunting, but does it have to be? Mahima and Rakesh are on a quest to democratize 3D content creation with AssetGen, a foundation model for 3D. They discuss the challenges of...

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