Search found 439 matches

by ouachita
Thu Aug 29, 2019 1:06 am
Forum: Computer Chess Club: General Topics
Topic: Ryzen 3900X
Replies: 51
Views: 6090

Re: Ryzen 3900X

The system came to us with SMT "Auto." We then "disabled" SMT to run a few tests and then went back to BIOS and toggled it back to Auto, but it still operates with SMT disabled. Has anyone solved this problem? Update your BIOS. The system was delivered to me with the next to last BIOS version. Afte...
by ouachita
Wed Aug 28, 2019 1:18 pm
Forum: Computer Chess Club: General Topics
Topic: Ryzen 3900X
Replies: 51
Views: 6090

Ryzen 3900X

The system came to us with SMT "Auto." We then "disabled" SMT to run a few tests and then went back to BIOS and toggled it back to Auto, but it still operates with SMT disabled.

Has anyone solved this problem?
by ouachita
Mon Aug 26, 2019 6:56 pm
Forum: Computer Chess Club: General Topics
Topic: buying a new computer
Replies: 280
Views: 41070

Re: buying a new computer

Every time I see results with HT I get nauseous because the only 2 games I've lost in ~5 years were anomalous results of brief, inadvertent HT
by ouachita
Mon Aug 26, 2019 6:04 pm
Forum: Computer Chess Club: General Topics
Topic: buying a new computer
Replies: 280
Views: 41070

Re: buying a new computer

We bought the 3900X first for work and 2nd for games and I can confirm a few things after only a few days with it: 1. POPCNT runs ~33% faster than BMI 2. Disabling SMT definitely appears to improve the per-core performance in games (which brings up the gazillions of HT posts here) 3. There is no dou...
by ouachita
Tue Aug 20, 2019 11:36 pm
Forum: Computer Chess Club: General Topics
Topic: buying a new computer
Replies: 280
Views: 41070

Re: buying a new computer

Ryzen 9 3900X, but I've got a bunch of others available like 2699 v4, 2697 v4, et al
by ouachita
Tue Aug 20, 2019 1:14 am
Forum: Computer Chess Club: General Topics
Topic: buying a new computer
Replies: 280
Views: 41070

Re: buying a new computer

Reading all these posts on new high-end (CPU) computer systems made me go out and buy one . . .
by ouachita
Sun Aug 18, 2019 11:47 pm
Forum: Computer Chess Club: General Topics
Topic: Building PC
Replies: 20
Views: 2432

Re: Building PC

"I strongly suggest studying the Ipman benchmarks: http://www.ipmanchess.yolasite.com/amd---intel-chess-bench.php I am planning to buy a nice 7nm Epyc machine when they come out this summer, but then again, I'm criminally insane. How do you do that, files tablebases in one folder?" For single CPU sy...
by ouachita
Sun Aug 18, 2019 1:56 am
Forum: Computer Chess Club: General Topics
Topic: Building PC
Replies: 20
Views: 2432

Re: Building PC

"I strongly suggest studying the Ipman benchmarks: http://www.ipmanchess.yolasite.com/amd---intel-chess-bench.php I am planning to buy a nice 7nm Epyc machine when they come out this summer, but then again, I'm criminally insane. How do you do that, files tablebases in one folder?" For single CPU sy...
by ouachita
Fri Sep 28, 2018 12:51 pm
Forum: Computer Chess Club: General Topics
Topic: First Stockfish loss for some time ...
Replies: 7
Views: 1583

Re: First Stockfish loss for some time ...

which of the five 9/27/2018 benches lost?
by ouachita
Thu Sep 27, 2018 1:23 am
Forum: Computer Chess Club: General Topics
Topic: TCEC has now nice hardware
Replies: 6
Views: 2268

Re: TCEC has now nice hardware

I understand this is the second consecutive year using a 2699v4, awesome CPU