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A Little Story About GPUs
The Wheel of Reincarnation
The Wheel Today
1.5 turns around the wheel?the display processor on the display processor
More than one turn around the wheel?
stream processors → raster processor → display chip
The conclusion in 1968
The conclusion in 2008?Asymmetric/heterogeneous multiprocessing is hard.
(multiple memory models, different CPU characteristics)
But…serial CPUs aren’t getting fasterBut…most programs are serial and need a fast serial CPUBut…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?
