i have a question regarding the L3 cache of my cpu
Posted 31 October 2011 - 12:14 AM
I have a system with windows xp installed, and the cpu is Amd Phenom II x6 quad at 3.4 Ghz with l2 cache: 256kb and L3 cache:6mb, but if i open several instances of internet explorer, and a hd application for streaming with webcam, the cpu usage is about 80% and sometimes it's stucks, and i don't know why it's used so much, i guess that the problem is because i running windows xp instead of 7 or vista, but i have some programs that don't work on windows7 only in xp.
sry for my bad english, if somebody can answer me i'm glad
Posted 31 October 2011 - 01:20 AM
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory Management
Do you see ThirdLevelDataCache ?
Honestly, I don't know, do you?
Posted 31 October 2011 - 08:27 AM
Posted 31 October 2011 - 01:42 PM
Posted 31 October 2011 - 08:19 PM
Try something like cpuid's cpu-z to look at the CPU information. It has a cache tab that will show you the cache information. Since it is a windows program, if it shows up the "L3 cache", then windows CAN see it.
The bigger question here is WHY are you asking? Getting "stuck" as you said doesn't have much to do with the cache and how many levels there are, etc. Also, just because you have three levels of cache, that may not help per se...
For example, you said "several instances of IE" - is that several windows running off of a single EXE - or is it really several separate processes, each running their own copy of the executable? What type of processing is going on - possibly in the background. If there are several copies of the program, each in it's own process space, they more than likely wouldn't "share" things in the cache...Finally, what is processing the "HD Video"? If it is the CPU, could very well cause 80% - it is a lot of data and bits per second to process...remember the cache is for instructions and data...
SO, yes, XP isn't as "efficient" in some areas, but I don't think this is a cache issue...