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Sanjoy Das
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@_sanjoydas

Sanjoy Das

@_sanjoydas
AI Compilers @NVIDIA (leading CUDA Tile, XLA), 2x girldad
Los Altos, CA
sanjoy.link
Joined April 2009
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  • @_sanjoydas
    Sanjoy Das
    @_sanjoydas
    Jan 2
    I wrote a short proof showing that any self-hosting compiler cannot perform certain legal optimizations. Would love feedback from compiler folks - does the proof look correct, and is it already well known? Link:
    Image
    docs.google.com
    Limits of compiler optimizations
    Limits of compiler optimizations For any self-hosting compiler (i.e., one capable of compiling its own source code), by construction there exists a valid optimization (i.e., a semantic preserving...
    14
  • @_sanjoydas
    Sanjoy Das
    @_sanjoydas
    Nov 23, 2025
    This is a great use case for LLMs. A personalized tutor for every topic and every student. Seems to work well in practice too for common topics (not tried on truly obscure things).
    @littmath
    Daniel Litt
    @littmath
    Nov 23, 2025
    >buy a new math text >you find it totally impenetrable >makes no sense >work hard, finally get it >it’s all so beautiful and simple >why didn’t they just explain it this way??? >write new text >someone buys it >they find it totally impenetrable
  • @_sanjoydas
    Sanjoy Das
    @_sanjoydas
    Nov 2, 2025
    Hardly any kids picked Almond Joys from our Halloween bowl. Is it the taste or the branding or something else?
  • @_sanjoydas
    Sanjoy Das
    @_sanjoydas
    Oct 21, 2025
    I’ll be at the PyTorch conference in San Francisco this week. Please DM or email ([email protected]) me if you’d like to catch up in person!
  • @_sanjoydas
    Sanjoy Das
    @_sanjoydas
    Jul 10, 2025
    Wrote a short introductory blog post on CuTe layouts: sanjoy.link/blog/cute-layo…
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