4 ms·

huh TIL "On modern Intel architectures, spatial prefetcher is pulling pairs of 64-byte cache lines at a time, so we pessimistically assume that cache lines are

huh TIL "On modern Intel architectures, spatial prefetcher is pulling pairs of 64-byte cache lines at a time, so we pessimistically assume that cache lines are 128 bytes long."

loeg 1y ago
That was true in like, 2011. I'm not sure if it's true anymore.
- 0x457 1y ago
  Pretty sure it started being a thing at Sandy Bridge and never stopped?
  - loeg 1y ago
    I don't think the impact on adjacent cache lines is as severe as it was on Sandy Bridge.