Bitcoining on a 1401

William Donzelli wdonzelli at
Thu May 28 20:45:32 CDT 2015

> Thus, the average time to add two 10-digit numbers is 40 cycles, or about a
> 2.2 kHz add rate. Adding two 20-digit numbers is 70 cycles, or an add rate
> of 1.2 kHz. Compare that to a modern superscalar microprocessor with a peak
> add rate of two 64-bit add instructions per cycle at 3-GigaHertz, or an add
> rate of 6 Ghz; the modern microprocessor is 6,000,000,000 / 1,000 =
> 6,000,000 times faster!

Most (all?) Bitcoin miners these days use either badass GPUs or
dedicated Bitcoin hardware, so the number is quite a bit larger.


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