Luke_A_Somers comments on Anticipating critical transitions - Less Wrong

17 Post author: PhilGoetz 09 June 2013 04:28PM

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Comment author: Luke_A_Somers 10 June 2013 01:12:44PM *  6 points [-]

Run length finiteness will kick in long before program size finiteness. How long do you expect to have to run before you hit 100 heads in a row by flipping fair coins a trillion times a second?

Roughly speaking, we're talking multiples of the age of the universe so far.

Comment author: CCC 11 June 2013 09:36:41AM 0 points [-]

An excellent point. I didn't even think of time.

Comment author: bogdanb 15 June 2013 09:17:43PM *  3 points [-]

Whenever you’re thinking that a 64-bit state might not be enough for something counter-like, it’s a good thing to think about time. I remember thinking once for more than half a minute how to handle overflow of a 64-bit variable. It was used to pass the number of files extracted from an archive. On an iPad.