Setting hash size?

[SzotsGabor]

Hi Vincent,

How do I set hash size in WB/UCI mode respectively?

[vinc]

Hi Gabor, for WB I implemented the memory command: https://github.com/vinc/littlewing/blob/v0.7.0/src/protocols/xboard.rs#L145 but there's nothing on my limited support of UCI.

Last week an issue has been reported on UCI so I can also add this to my TODO list. It'd be a good thing to support UCI more fully.

In the meantime it's also possible to run the binary with the option -t 32 or --tt 32 that would set the TT size to 32MB for example at launch: https://github.com/vinc/littlewing/blob/v0.7.0/src/main.rs#L49

[SzotsGabor]

Thanks Vincent. I tried -t 256 and the displayed memory size under Arena was 520 MB. When I tried -t 128 it was 205 MB. But it works.

[vinc]

It's strange I have much less overhead when I do the test in the console with the top command:

$ littlewing -st 128
> play # 129MB used here
< move e4
> hash 64
> play # 65MB used here
< move e5
> xboard

memory 256
level 40 60 0
new
go # 256MB used here
move e2e4