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Neuron firing rates in humans

Our best guess is that an average neuron in the human brain transmits a spike about 0.1-2 times per second. Support Bias from neurons with sparse activity When researchers measure neural activity, they can fail to see neurons which rarely fire

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Current FLOPS prices

In November 2017, we estimate the price for one GFLOPS to be between $0.03 and $3 for single or double precision performance, using GPUs (therefore excluding some applications). Amortized over three years, this is $3.4 x

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The cost of TEPS

A billion Traversed Edges Per Second (a GTEPS) can be bought for around $0.26/hour via a powerful supercomputer, including hardware and energy costs only. We do not know if GTEPS can be bought more cheaply elsewhere. We estimate that

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Wikipedia history of GFLOPS costs

This is a list from Wikipedia, showing hardware configurations that authors claim perform efficiently, along with their prices per GFLOPS at different times in recent history. In it, prices generally fall at around an order of magnitude every five years, and

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Trends in the cost of computing

Computing power available per dollar has probably increased by a factor of ten roughly every four years over the last quarter of a century (measured in FLOPS or MIPS). Over the past 6-8 years, the rate has been slower: