Search found 527 matches

by jpqy
Thu Aug 10, 2017 6:32 pm
Forum: Computer Chess Club: General Topics
Topic: AMD Threadripper 1950x
Replies: 46
Views: 13945

Re: AMD Threadripper 1950x

Here also some Benches added from Threadripper 1950x & i9 7900x using asmFish with a bmi2 and pop compile as compare.

http://www.ipmanchess.yolasite.com/amd- ... -bench.php

JP.
by jpqy
Sun Jul 02, 2017 6:57 am
Forum: Computer Chess Club: General Topics
Topic: Chess test AMD - Intel
Replies: 11
Views: 3498

Chess test AMD - Intel

Ipman get already chess benches from a Dual AMD EPYC 7601 B2 -> 2x32cores=128threads (ES sample) http://www.ipmanchess.yolasite.com/amd---intel-chess-bench.php Nodes/second CPU Cores/Threads BMI2/popcnt Member 86375777 AMD EPYC 7601 B2 @1.9Ghz 128threads pop dave_graham 79071940 AMD EPYC 7601 B2 @1....
by jpqy
Sat Jun 24, 2017 7:01 am
Forum: Computer Chess Club: General Topics
Topic: Ryzen 1800x and best stockfish version
Replies: 17
Views: 5703

Re: Ryzen 1800x and best stockfish version

On PDEP and PEXT instructions Skylake has one cycle latency. Ryzen has 18 cycles !!! Even then it is surprising (to me) that the bmi2 version is SO MUCH slower. (Does a bmi2 instruction flush the pipeline or something?) I may be wrong, but I expect a software implementation of pdep and pext to do b...
by jpqy
Tue Jun 13, 2017 5:53 am
Forum: Computer Chess Club: General Topics
Topic: Intel’s 28-Core Xeon Platinum 8176
Replies: 42
Views: 9479

Re: Intel’s 28-Core Xeon Platinum 8176

Turbo is marked on only 1core.

General Specs
Family Xeon Platinum
Series 8100
Locked Yes
Frequency 2,700 MHz
Turbo Frequency 3,700 MHz (1 core)
Bus type DMI 3.0
Bus rate 4 × 8 GT/s
Clock multiplier 27
by jpqy
Sun May 14, 2017 4:52 pm
Forum: Computer Chess Club: General Topics
Topic: Is anyone here already using a Ryzen 1800X processor ?
Replies: 110
Views: 36518

Re: Is anyone here already using a Ryzen 1800X processor ?

cma6 wrote:JP:
Can AsmFish popcnt user many threads, e.g. 64 physical cores?
Sure..with any cores you have!

Now it has as max. setting 256threads

option name Threads type spin default 1 min 1 max 256

But you can put it easy to 512threads for example..and assemble it.

JP.
by jpqy
Thu May 11, 2017 9:46 am
Forum: Computer Chess Club: General Topics
Topic: Laser 1.4 Release
Replies: 11
Views: 4467

Re: Laser 1.4 Release

jeffreyan11 wrote:Thanks!

I have added a BMI2 compile - hopefully it is actually faster (I haven't tested).

Jeffrey
Thanks Jeffrey..i will let you know :wink:

JP.
by jpqy
Thu May 11, 2017 9:15 am
Forum: Computer Chess Club: General Topics
Topic: Laser 1.4 Release
Replies: 11
Views: 4467

Re: Laser 1.4 Release

Thanks for your new release & nice progress you get :!:

Is it possible for you to make a BMI2 compile..

JP.
by jpqy
Wed May 10, 2017 7:03 am
Forum: Computer Chess Club: General Topics
Topic: Andscacs - New version 0.91
Replies: 20
Views: 6968

Re: Andscacs - New version 0.91

Thanks Daniel for your new version :!: I was now a few days busy with Andscacs 0.90 for my 1core list..maybe i can replace it with this 0.91 now..will see..but for sure you will get some results :wink: JP. Thanks! Sorry, I always find reasons to publish new versions, and I drive crazy the testers :...
by jpqy
Wed May 10, 2017 6:23 am
Forum: Computer Chess Club: General Topics
Topic: Andscacs - New version 0.91
Replies: 20
Views: 6968

Re: Andscacs - New version 0.91

Thanks Daniel for your new version :!:

I was now a few days busy with Andscacs 0.90 for my 1core list..maybe i can replace it with this 0.91 now..will see..but for sure you will get some results :wink:

JP.
by jpqy
Tue May 09, 2017 5:38 am
Forum: Computer Chess Club: General Topics
Topic: Booot 6.2 release
Replies: 9
Views: 6328

Re: Booot 6.2 release

Hi Alex ,thanks for your new booot 6.2 version :!:

Is it possible for you to make a BMI2 compile..

Kind regards,
JP.