Improve efficiency by using official Stockfish for standard chess

Question

Improve efficiency by using official Stockfish for standard chess

niklasf opened this issue 5 years ago · 7 comments

niklasf commented 5 years ago

Answer 1 · 2020-07-19T23:37:40.000Z

Anyone working on this? I want to have a shot at implementing this.

Answer 2 · 2020-08-04T17:08:45.000Z

I have this mostly working, will probably submit pull request in a couple of days

Answer 3 · 2020-08-06T02:12:23.000Z

Preliminary support here:
https://github.com/bftjoe/fishnet/tree/use-stock-stockfish

Apparently we could get another 5% boost on variants if we break out support for antichess? I don't know if it's worthwhile or not.
ddugovic/Stockfish#579

Answer 4 · 2020-08-06T05:54:20.000Z

Cool. Regarding splitting more variants, I don't think it's worth it. They are analysed rarely and it would mean opening more processes with permanently reserved hash tables.

Answer 5 · 2020-11-22T04:04:45.000Z

@bftjoe are you by chance still working on implementing official stockfish? was this merged in?

Answer 6 · 2020-11-22T04:33:44.000Z

I didn't make a pull request yet. I have it working locally.

I am working on a version with different executables for all variants, instead of just 1 variant and 1 standard stockfish. It will switch out the variant stockfish so that not too much memory is used for hash tables.

Answer 7 · 2020-11-22T08:21:33.000Z

I don't think separate Stockfish builds for all the variants are worth the slight increase in code complexity, CI builds for precompiled Stockfish, and downloads. Variant games account for ~2%, so even substantial performance improvements will be negligible in the grand scheme of things.