Adrian Oliva

[Adrian Oliva]

1 SF PB 16 AVX +2 +10/=326/-8 50.29% 173.0/344
2 SF PB 16 AVX2 -2 +8/=326/-10 49.71% 171.0/344

Hi Adrian, many thanks! That's what i wanted to confirm, of course the number of games is not that big but it looks like AVX is better than AVX2, i also had better results in favor of AVX on my AMD Ryzen 7 1800X (with short time control).

Hi Alex! I am glad that you can clarify your doubts. I was always recommended to use AVX2 versions for my PC, but from your experience, AVX seems to work better. Have a very good weekend everyone! Greetings

Hello Adrian,

A useful testing, I like it!

Meanwhile, can you inform me please:
Large Pages are enabled on your machine ?
And Hyper-Threading (SMT) is enabled too ?

Why I ask these questions,
Depending on various hardwares, configurations etc
The used conditions may down/damage our testings..

E.g in the past..I noticed that (in one of my older machines)
When Hyper-Threading was as ON + Ponder ON suffered...
I mean some programs produced unexpected, strange results!
For this reason, if running long-matches+Ponder ON on same machine
I suggest to be disabled HT...plus LP to be disabled as well

Anyhow, after checking your test games,
We see that the results are almost identical,
I mean that we can not say AVX2 is weaker..
Btw, 344 games data is good, but not enough
To say exactly that AVX is much stronger...

Meanwhile, for anyone missed, interested...
I have many compile/binary testings as AVX2, BMI2 etc :
https://sites.google.com/site/computers ... g-strength

One thing more, during my beta SF-PB benchmark testings:
https://sites.google.com/site/computers ... benchmarks
I found that AVX2 is best/solved faster on my latest machine (2x Epyc 7B12)

On other hand, actually the shocking news was that,
Stockfish 10 x64 or even 32-bit( for older processors), performed even better on some hardwares
https://sites.google.com/site/computers ... benchmarks

As conclusion,
Any engine compile's speed depends on author, hardware, testings etc.!

Just my 2 cents over this issue )

Greetings

Hello Sedat! As always, thanks for your invaluable comments. I do the tests with Permanent Brain ON and LP ON.
Greetings

[Adrian Oliva]

SF PB 16 AVX where engıne lınk
thanks

Hello Cubail! You can download it right here on the forum it's a Skynet compilation!
viewtopic.php?t=104
Greetings

[janus]

SF PB 16 AVX where engıne lınk
thanks

Hello Cubail! You can download it right here on the forum it's a Skynet compilation!
viewtopic.php?t=104
Greetings

Thanks Adrian .. man did I ever goof today ..
Sorry cubail I missed this whole thread.

[Skynet]

1 SF PB 16 AVX +2 +10/=326/-8 50.29% 173.0/344
2 SF PB 16 AVX2 -2 +8/=326/-10 49.71% 171.0/344

Hi Adrian, many thanks! That's what i wanted to confirm, of course the number of games is not that big but it looks like AVX is better than AVX2, i also had better results in favor of AVX on my AMD Ryzen 7 1800X (with short time control).

Hi Alex! I am glad that you can clarify your doubts. I was always recommended to use AVX2 versions for my PC, but from your experience, AVX seems to work better. Have a very good weekend everyone! Greetings

Hi Adrian, thanks again, and yes usually AVX2 engines are the fastest for your (and mine AMD Ryzen 7 1800X) machines. It just somehow, the current SF-PB-16 AVX came faster, i remember there was a patch which supposed to make AVX2 engines faster, apparently the opposite happened (or magically AVX became faster ).

[Skynet]

SF PB 16 AVX where engıne lınk
thanks

Hello cubail - I think it might be a private engine. I dont see a link to it - maybe Skynet could upload.

Yep, it is private, if you want it, it gonna cost you 50 $, 100 $ with a year subscriptions.
----
Let me know when you'll be ready for my revenge (book duel ), Butt Kicker is almost ready.
https://gifyu.com/image/SWKeH

[janus]

SF PB 16 AVX where engıne lınk
thanks

Hello cubail - I think it might be a private engine. I dont see a link to it - maybe Skynet could upload.

Yep, it is private, if you want it, it gonna cost you 50 $, 100 $ with a year subscriptions.
----
Let me know when you'll be ready for my revenge (book duel ), Butt Kicker is almost ready.
https://gifyu.com/image/SWKeH

You horrible man - good thing I have a defribillator at home ..
Just testing NumbNuts and Hugg-Azz .. the Butt Kicker buttkicker !

[massimilianogoi]

Thread changed to Sticky.

[Adrian Oliva]

Zeus 50.3 AVX2 vs. CorChess 4 July 06 2023

Processor AMD A10 – 9700 R7,10 Compute Cores 4C + 6G - 3.50 GHz - RAM 8.00 GB - 64-bit operating system - x64 processor - Windows 10 Pro - 1024 mb hash – Fritz 16 GUI – Permanent Brain: ON – Opening Book: OliBiyu 10.3 Opening Suite ctg - Final Tablebases: Syzygy 3-4-5 pieces - Both Engines Play with 2 Threads and Large Pages – NNUE: Zeus: nn.zeus - CorChess: nn-c38c3d8d3920.nnue

Book Settings:

1.Tournament ON
2.Min games 0-10
3.Variety of play 300
4.Influence of learn 100
5.Learning strength 500

DESKTOP-TORM2PL, Blitz 4min+1seg 0


1 CorChess 4 +2 +2/=310/-0 50.32% 157.0/312
2 Zeus 50.3 AVX2 -2 +0/=310/-2 49.68% 155.0/312

Games in PGN: https://www.mediafire.com/file/zuhpll3n ... 5.pgn/file

Congratulations to CorChess Author Ivan Ivec!

[janus]

Hehe ..

Hey Adrian .. my buttkicker slaughterer will be ready soon for a rematch against Skynet's latest !

2023-07-10 05 33 21.jpg (39.37 KiB) Viewed 2479 times

[janus]

2023-07-10 08 34 09.png (55.88 KiB) Viewed 2469 times