Huge Amount of Cores Question

[Brunetti]

Also don't forget that digital electronic computers need replacement after every 11 years because the electronics inside the computer begins to corrupt until the computer fails.

Hi Uri,
what? Where?

Alex

[Dann Corbit]

An easily reasonable argument is that after 11 years even a working computer is generally not very viable because a modern one will be thousands of times more powerful.
There are, of course, exceptions. From https://ipmanchess.yolasite.com/amd---i ... -bench.php we have this:
NPS hardware threads
47.371.167 4x AMD Opteron 6276 @2.3ghz 64threads base Dann Corbit
That is a really old machine. And it still does 47M NPS today. But I almost never run it because it consumes so much power. It also has squirrel cage blowers that sound like an afterburner jet takeoff, but I bought a special sound proof box to take care of that.

So there is an old machine that still works and it is still fast. But it costs several hundred dollars a month to run it. It also heats up the room so much that I can't run it in August.

[towforce]

I can't remember the name of the site. It lists giant nodes per second using huge amounts of cores. Has any of these machines played games of chess or been tested to find chess position solutions that have not been done before?

Wrong direction: no computer will ever outrun the exponential nature of the chess game tree.

Correct direction: find the deep underlying patterns of chess that will enable optimal play on a cheap computer.

[Jouni]

Dann please post Stockfish "speedtest" result for Opteron and Threadripper. Takes only 150 seconds. Thanks

[Werewolf]

Dann please post Stockfish "speedtest" result for Opteron and Threadripper. Takes only 150 seconds. Thanks

I'll double check this on Monday, but from memory I tested this a few days ago:

AMD Threadripper 3990X = 38MN/s (128 threads)
Apple M2 Ultra = 22MN/s (24 threads IIRC)

I was surprised the M2 Ultra was that high. Note my threadripper is quite old now.

[Leo]

Ipman Chess ?
https://ipmanchess.yolasite.com/amd--in ... ckfish.php

Yes

[jdart]

I got a note from TCEC that they are now running engines with 512 threads. I think few engines, maybe not even Stockfish, are optimized to run with that many threads. It's very likely there's a dropoff in nps as you scale up threads that high.

[Hai]

I got a note from TCEC that they are now running engines with 512 threads. I think few engines, maybe not even Stockfish, are optimized to run with that many threads. It's very likely there's a dropoff in nps as you scale up threads that high.

1024 threads would be much better or not?

What's better 1024 threads vs 512 faster threads?
Or 512 threads vs 256 faster threads?
32 threads vs 16 faster threads?

[Hai]

Dann please post Stockfish "speedtest" result for Opteron and Threadripper. Takes only 150 seconds. Thanks

I'll double check this on Monday, but from memory I tested this a few days ago:

AMD Threadripper 3990X = 38MN/s (128 threads)
Apple M2 Ultra = 22MN/s (24 threads IIRC)

I was surprised the M2 Ultra was that high. Note my threadripper is quite old now.

Apple M4 Ultra should be double as fast compared to the M2 Ultra = 38MN/s - 44MN/s.

[Hai]

An easily reasonable argument is that after 11 years even a working computer is generally not very viable because a modern one will be thousands of times more powerful.
There are, of course, exceptions. From https://ipmanchess.yolasite.com/amd---i ... -bench.php we have this:
NPS hardware threads
47.371.167 4x AMD Opteron 6276 @2.3ghz 64threads base Dann Corbit
That is a really old machine. And it still does 47M NPS today. But I almost never run it because it consumes so much power. It also has squirrel cage blowers that sound like an afterburner jet takeoff, but I bought a special sound proof box to take care of that.

So there is an old machine that still works and it is still fast. But it costs several hundred dollars a month to run it. It also heats up the room so much that I can't run it in August.

But I almost never run it because it consumes so much power. It also has squirrel cage blowers that sound like an afterburner jet takeoff, but I bought a special sound proof box to take care of that.

So there is an old machine that still works and it is still fast. But it costs several hundred dollars a month to run it. It also heats up the room so much that I can't run it in August.

= Then buy an Apple device like the MacBook Pro 16-inch M4 MAX.