this post was submitted on 02 Jul 2023
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goddammit. I was watching this going "hey, my system is like that!" Check and yes, my 24 core Ryzen 5900X with 32GB ram with NVMe drive is painfully slow opening things like calculator, terminal etc. I am running Fedora 38 with KDE desktop.... That the hell man
Single thread performance matter more when your metric is the speed of opening calculator, terminal and other apps. However, the 5900x has pretty good single thread performance already, roughly 1.5x faster than my old processor (i7-4790) and opening apps is pretty fast in my case (<1 second). Something is probably wrong with your setup. Perhaps you accidentally set your desktop power mode to "power saver" instead of "performance"?
Yeah there does seem to be something wrong now that I can see it. Now just need to work out what it is...
Opening a calculator/terminal should be on the order of 1ms or even faster. 1s is absurd
Alas, I'm using gnome so ~1s calculator launch is the best I can get 😬
The 5900X has 12 cores, 24 threads is not the same as 24 cores. I have a similar system, 12900K 16 cores, I don't think it's painfully slow at opening applications.
There are many applications that don't scale with core count, they are designed to run on a single core and are only affected by core clock speed.