Hacker News Reader

If I run SF on my desktop computer it will kill SF run on my phone. It doesn't prove anything. Comparing TPUs and CPUs is hard but they could've at least let SF run on what is considered top of the line setup and sensible settings (1GB hash memory is very limited, 8GB is standard for rapid games on a quad core CPU, let alone 64core one).

I can't figure out the reason for this stingy 1GB hash memory limit when using 64 cores. It pretty much negates advantage of 64 cores vs say 4/6 cores.

A nefarious suggestion would be that setting 1GB limit ensures that Alpha would always have the edge in depth as Stockfish would be forced to prune long lines to preserve hash memory.

Maybe someone who has read Stockfish source code can comment how Stockfish prunes hash memory.

Well, the one explanation is that they wanted to win "convincingly", thus 1m per move and so low memory amount for hash.

They didn't demonstrate that AlphaGo Zero can beat Stockfish in a fair contest: i.e. take the amount of money they spent on Stockfish's CPU and RAM, buy a commodity GPU for AlphaGo and then see.

https://news.ycombinator.com/item?id=2232163

I'm sorry, I thought we were discussing the paper.

On completely different hardware.