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I believe Larrabee was promising full coherency across all core caches. Of course, many of us could have told them that that wasn't going to work, but they did

I believe Larrabee was promising full coherency across all core caches. Of course, many of us could have told them that that wasn't going to work, but they didn't ask us now did they? :-)

lgeek 14y ago
But then again, Xeon Phi which inherited some technology from Larrabee maintains cache coherency for its 60 cores.
- marshray 14y ago
  Wow. At what costs? I'm not trying to be dismissive, I'm just really interested to hear about the tradeoffs involved.