CUDA: Difference between revisions
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* Supports some maximum number of blocks and threads (~8 and ~768 on G80). | * Supports some maximum number of blocks and threads (~8 and ~768 on G80). | ||
====Block sizing==== | ====Block sizing==== | ||
'''FIXME: review all this!''' | |||
How tightly can we bound the optimal block size '''T''', given a warp size ''w''? | How tightly can we bound the optimal block size '''T''', given a warp size ''w''? | ||
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** relative speedup tends to 0 as work grows arbitrarily on finite SMs | ** relative speedup tends to 0 as work grows arbitrarily on finite SMs | ||
** relative speedup tends to ''1/Frac<sub>par</sub>'' on infinitely many SMs | ** relative speedup tends to ''1/Frac<sub>par</sub>'' on infinitely many SMs | ||
===Stream Processor=== | ===Stream Processor=== | ||