Obsidian 16.0 has been released

Discussion of anything and everything relating to chess playing software and machines.

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cc2150dx
Posts: 394
Joined: Sat Nov 30, 2013 9:51 am
Location: Canada
Full name: Jason Coombs

Obsidian 16.0 has been released

Post by cc2150dx »

Chacal X
Posts: 58
Joined: Mon Mar 10, 2025 9:06 pm
Full name: flavio thomazini

Re: Obsidian 16.0 has been released

Post by Chacal X »

Very good, but I would like to compile in SSE3 and SSE41, is that possible?
Thanks..
cc2150dx
Posts: 394
Joined: Sat Nov 30, 2013 9:51 am
Location: Canada
Full name: Jason Coombs

Re: Obsidian 16.0 has been released

Post by cc2150dx »

It's possible or you could ask Jim Ablett if he can do it. I only compile in avx2.
Werewolf
Posts: 2001
Joined: Thu Sep 18, 2008 10:24 pm

Re: Obsidian 16.0 has been released

Post by Werewolf »

This engine seems to have fairly decent tactical scaling with more threads.

On my testsuite:

SF 17.1 1/128 threads: 106/162 solved (Av time 6.22s)
SF 17.1 64/128 threads: 116/162 solved (Av time 5.54s)

Obsidian 16 1/128 threads: 99/162 solved (Av time 7.84s)
Obsidian 16 64/128 threads: 115/162 solved (Av time 4.60s)