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My tweets

  • Sat, 01:59: Must have own time machine, clean license. https://t.co/C08JjZrSAp
  • Sat, 02:04: RT @rygorous: @FioraAeterna Parting shot: if you need a PhD in graphics plumbing to use an API, it's not the "future", just industrial stre…
  • Sat, 02:04: RT @FioraAeterna: i'm about 92% sure i finally got this right, so here's the tl;dr: 1. nvidia has never, ever been able to move lanes betw…
  • Sat, 02:05: RT @FioraAeterna: 2. new to volta is the *reverse*: it can behave as if the threads were not in the same warp, even if they are. this is ac…
  • Sat, 02:05: RT @FioraAeterna: 3. there are -some- clever tricks that can be done on volta to make things less divergent than they look superficially. o…
  • Sat, 02:05: RT @FioraAeterna: 4. TECHNICALLY, volta has one program counter per lane, not per SIMD. this is both true and a lie. it's true in the sense…
  • Sat, 02:05: RT @FioraAeterna: 4a. for perf/microarch purposes it's still just a standard SIMD machine, but with some extra bookkeeping to allow it to d…
  • Sat, 02:05: RT @FioraAeterna: 5. the thing the arch folks are proud of and want you to know about is primarily this: they have (hopefully) forward prog…
  • Sat, 02:05: RT @FioraAeterna: 6. the ultimate goal here is that if they combine a unified address space, decent ability to do atomics/mutexes/spinlocks…
  • Sat, 02:05: RT @FioraAeterna: 7. the downside here is that even with kernel support (HMM, see https://t.co/uTIPuysmmN etc), you still have separate mem…

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full steam ahead
marypcb
Mary Branscombe
Simon & Mary

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