Reading and writing are less symmetric than you (probably) think

(fgiesen.wordpress.com)

18 points | by luu 3 days ago

2 comments

  • 1317 7 minutes ago
    oh i thought this would be about language and how the brain works, that article sounds more interesting to be honest sorry
  • vatsachak 27 minutes ago
    This is true even at the CPU cache level so it's probably going to trickle down all the way.

    For example Jon G gave a talk at Jane Street about how he had a mysterious performance bug that was later attributed to cores fighting over the same cache line

    https://youtu.be/tND-wBBZ8RY?is=624w3YoDN2QYBWuD