this post was submitted on 13 Nov 2023
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Has anyone else seen these videos where people change the frequency (I believe*) of how often Windows has an interrupt request to check the power of the system to reduce overall system latency.
For whatever reason, Windows checks this every 15ms, but people are changing it to the maximum setting of 5,000ms, which reduces latency for the CPU considerably.. apparently fiddling with this setting is particularly bad for AMD's X3D chips.
What are the pros and cons to this? Has any reputable journalist looked into this?
It works. Set to 5000ms, which is the max value.
It’s garbage that end users need to do any tweaking at all.
A good number of tweaks are unproven and famously just bog down the system even more.
As a casual user myself, I wouldn’t even know if changing one setting, let alone dozens of settings, makes a difference. I’m not qualified to test, so on some of these “fixes” I just blindly follow the advice of the tutorial.
But disabling e cores, and changing the frequency 15ms->5000ms have helped me.
I also have prescribed to the LatencyMon optimizations. Like setting interrupt affinity masks for my gpu, ethernet, and usb host controller.