I know that this might vary from case to case, depending on which PC and which app I have open, among other factors. However, I noticed that with all that I had open, regardless of the apps or games running, when the PC starts to slow down or lag, the CPU or memory is not used at 100%, but stays between 70% and 90% depending on the situation. What could be the reason?
In: Technology
Having less memory being available may affect the efficiency of CPU instructions. If I asked you to put away boxes on a stack of shelves, then remove the boxes that have a certain label later, it would be more efficient for you to do if you were working with an empty stack of shelves than if you were working around boxes placed randomly on shelves that you couldn’t touch. Also, these days, CPUs have multiple cores and multiple threads that can perform multiple functions simultaneously. But whether your software can take advantage of the simultaneous processing is a different story. Some processes need to be performed consecutively along one thread. If the process is using 100% of one of your CPU cores, but you have 4 cores, you may see on your task manager that just over a quarter of your CPU is being utilized eventhough the software is lagging from it maxing out one of your cores. If you’re on Windows and open the hardware resource monitor from the performance tab of your task manager, it will show you how each CPU core is being utilized.
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