Log inSign up
Andrew Fitzgibbon
1,514 posts
Andrew Fitzgibbon profile banner
@Awfidius

Andrew Fitzgibbon

@Awfidius
Technical Fellow, Graphcore. Love beautiful code, and beautiful hardware to run it on.
Cambridge
fitzgibbon.ie
Joined July 2009
849
Following
3,945
Followers
RepliesRepliesRepostsRepostsMediaMedia

Log in or sign up for X

See what’s happening and join the conversation

Continue with phone
or
Log in with username or email
Terms·Privacy·Cookies·Accessibility·Ads Info·© 2026 X Corp.
  • Pinned
    @Awfidius
    Andrew Fitzgibbon
    @Awfidius
    May 18
    Hey, I wrote a blog - I think it's fun, hope you do too!
    @GCResearchTeam
    Graphcore Research
    @GCResearchTeam
    May 18
    A tiny implementation detail in low-precision arithmetic could be biasing your AI training 😲 This interactive deep dive from Graphcore Research's @Awfidius uncovers a subtle failure mode in stochastic rounding that only appears when randomness is limited, and how it can be
  • @Awfidius
    Andrew Fitzgibbon
    @Awfidius
    Jul 22, 2024
    Same problem, and based on online searches, many others have it too. Terrible wasteful design, saves 10 seconds when it works, costs hours when it doesn't, and a load of extra useless plastic is left in place having saved those 10 seconds.
    This Post is from an account that no longer exists. Learn more
    1
  • @Awfidius
    Andrew Fitzgibbon
    @Awfidius
    Oct 3, 2023
    I'm moving from extremely rarely posting interesting content on twitter to doing the same on, wow I'm old, linkedin...
    1
  • @Awfidius
    Andrew Fitzgibbon
    @Awfidius
    Jul 28, 2023
    I love that I'm being offered these - I guess the ad targeting knows I'm going to have a sudden urge to take up jewellery making long before I do...
    Image
  • @Awfidius
    Andrew Fitzgibbon
    @Awfidius
    Jul 26, 2023
    I’m biased obvs, but having seen a preview of this talk, I can recommend it highly!
    @MoseGiordano
    Mosè Giordano
    @MoseGiordano
    Jul 26, 2023
    Replying to @MoseGiordano
    I'll start with "Julia meets the Intelligence Processing Unit" (pretalx.com/juliacon2023/t…), about running #JuliaLang on the @graphcoreai IPU, spectacular example of how @llvmorg enables adopting new cool hardware in Julia, and how Julia opens up new doors in scientific computing
Advertisement
Advertisement