Originally posted by Anux
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Intel i9-12900K Alder Lake Linux Performance In Different P/E Core Configurations
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Originally posted by Sonadow View Post
Typical remark of someone who has never done so and assumes that takes no skill. Go ahead, build something big like LibreOffice and see everything for yourself. You aren't going to even get past the first compiler error because you don't have the knowledge to do so.
And try telling Gentoo users that compiling their stuff is pointless. Go right ahead. You have shown nothing except your own ignorance and incompetence outside of building a kernel and running pretty benchmarks.
If you compile from source for debian, without fine tuning flags, you achieve nothing in terms of performance -- surely it remains an interesting thing to do from a knowledge POV.
BTW, Debian is known for been conservative and favor stability. You should try another distro for desktop usage (or heavily modify it with specific kernels)
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Originally posted by Grinness View Post
Gentoo users re-define the compiler/linker flags to tune code to their hardware.
If you compile from source for debian, without fine tuning flags, you achieve nothing in terms of performance -- surely it remains an interesting thing to do from a knowledge POV.
BTW, Debian is known for been conservative and favor stability. You should try another distro for desktop usage (or heavily modify it with specific kernels)
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Originally posted by Sonadow View Post
-march=native not good enough for you?
It is you who is complaining/showing off that you are able to compile thus you have superior understanding ...
Do what you want, I don't care
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Originally posted by Sonadow View Post
Which was the point I was trying to make. Windows 10 does not have a scheduler specially for Alder Lake but they have experience on BIG.little architectures because of their work on Windows RT and the ARM64 versions of WIndows 10, where all hardware use BIG.little. It's practically a forgone conclusion that this experience factored into their continuous work on the scheduler to the point where Windows 10 for x64 is able to handle Alder Lake as-is.
Secondly the mere fact that Windows 10 with Alder Lake is beating Linux is probably demonstrating that we are talking about the difference between general schedulers and/or CPU support rather than hybrid core scheduler specifically.
And its not like Linux doesn't have experience with big little, pretty much all android phones also follow a big/little design.
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Originally posted by Sonadow View PostIt's not an OOM problem at all. The laptop has access to 8GB of memory and 4GB of swap, and even when the applications were stalling free never reports more than 5GB in use at any time. And it was a 5.15 kernel, not the dinosaur 5.10 kernel that got bundled with Bullseye.
Originally posted by SonadowWhich was the point I was trying to make. Windows 10 does not have a scheduler specially for Alder Lake but they have experience on BIG.little architectures because of their work on Windows RT and the ARM64 versions of WIndows 10, where all hardware use BIG.little.
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None of the tests in this article were AVX-512. See the linked article from there if wanting AVX-512 ADL data. Was simply mentioning when all E cores are disabled, AVX-512 is possible. AVX-512 was out of scope for this article especially with many workloads not being relevant for AVX-512, this article was just about core/thread comparison.Michael Larabel
https://www.michaellarabel.com/
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Originally posted by mdedetrich View PostI am getting the impression that the biggest issue appears to be Intel trying to provide a solution for something that from at least my OS studies back at uni is not really solvable, i.e. automagic scheduling on big little design that generally works better than the alternative. ...
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