IAP09 CUDA@MIT 6.963 - Lecture 05: Wheel Of Reincarnation (Steven Johnson, MIT)

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More at http://sites.google.com/site/cudaiap2009 and http://pinto.scripts.mit.edu/Classes/CUDAIAP2009

More at http://sites.google.com/site/cudaiap2009 and http://pinto.scripts.mit.edu/Classes/CUDAIAP2009

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Transcript

  • 1. A Little Story About GPUs
  • 2. The Wheel of Reincarnation
  • 3. The Wheel Today 1.5 turns around the wheel? the display processor on the display processor
  • 4. More than one turn around the wheel? stream processors → raster processor → display chip
  • 5. The conclusion in 1968
  • 6. The conclusion in 2008? Asymmetric/heterogeneous multiprocessing is hard. (multiple memory models, different CPU characteristics) But…serial CPUs aren’t getting faster But…most programs are serial and need a fast serial CPU But…1000 Pentium M’s (Intel Core) aren’t coming to desktops Natural tendency to few beefy CPUs + zillions of simple ones… GPGPU (Nvidia Tesla/AMD Firestream)? Cell processors? Intel Larrabee? Something else?