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I am trying to run stockfish and get it as fast as possible to what I consider "good values", at least over 20 deep. I'm using a raspberry pi zero w ... and after 20 seconds it's only 12 deep. How could I make it faster? I don't need to have a desktop or "anything" just run stockfish. Thanks.

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  • What is stockfish? Is 20 a realistic goal for a single core with 512 MB of Ram? How is performance tuning this app any different than if it was run on a Linux PC? – Steve Robillard Mar 16 at 16:41
  • Stockfish is a chess engine that run on console. Is realistic, because you can wait... so, i want to wait the less time.... just that. – 9acca9 Mar 16 at 16:54
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A Pi zero is not known for its performance or extendability. You could try some tuning, with vmstat, top and iostat, but your options are limited.

  • kill everything you don't need. You might even go to slackware to remove the systemd-performance hit
  • If you have a memory shortage, you could invest in a swap device on USB, separate from your sd card
  • And perhaps a bit of overclocking if your're CPU bound.
  • You could also look at a faster sd card.

But that basically are all your options.

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  • "the systemd-performance hit" -> That's funny because I thought slackware still used the generally slower (as far as "speed" is really a serious factor in an init daemon) sysvinit. If you want to privilege a task, just killing other things willy-nilly is not a very good strategy. You prioritize it with nice, or use realtime scheduling, or dedicate processor cores and/or time slices to it (eg. via namespaces), etc. – goldilocks Mar 16 at 18:46

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