XP optimization techniques in many of the more popular way of saying that Windows XP systems require users to manually open the CPU's secondary cache, in order to play the CPU for maximum efficiency. This view a wide spread, and now the highest rate, one of Windows system optimization software, "Windows Optimization Master" is also held this view, the optimization settings in its column have the option to optimize CPU secondary cache.
We first look at the so-called optimization technique is how to tell us.
銆怶indows XP systems, the default CPU 2 cache is not open. To improve system performance, we can modify the registry, or use the "Windows Optimization Master" and other software to open it.
Run the Registry Editor, expand HKEY_LOCAL_MACHINESystemCurrentControlSetControlSession ManagerMemory Management branch, double-click the right window "SecondLevelDataCace", and then directly enter the pop-up window used by the current computer CPU capacity of the secondary cache can be.
Celeron processor 2 cache 128KB, should set its value to 80 (16 hex, the same below). P 鈪? P 鈪? P4 are 512KB secondary cache, should be set to 200; P 鈪?E (EB), P4 Willamette only a 256KB secondary cache, should be set to 100; AMD Duron only 64KB secondary cache, should be set to 40; K6- 3 has a 256KB secondary cache; Athlon has 512KB secondary cache; Athlon XP has a 256KB secondary cache; Athlon XP (Barton core) has 512KB secondary cache.
Masters can also use Windows optimization of the secondary cache CPU is set correctly: Start Windows optimization master, select the "System performance optimization," in "File System Optimization", the top is the secondary cache on the CPU of the settings. Drag the slider to the appropriate location, save the settings and restart your computer you can. 銆?br />
Is this really the case?
We are in the Microsoft Knowledge Base to find the following content: "HKLMSYSTEMCurrentControlSetControlSession ManagerMemory Management" in the SecondLevelDataCache key value only in the Windows XP system from a hardware abstraction layer (Hardware Abstraction Layer) reads the CPU 2 cache (L2) fails when reads SecondLevelDataCache key data. And SecondLevelDataCache is the meaning of key = 0 2 cache 256KB. Original (English)
In a Knowledge Base article, we also found a "Do not change the SecondLevelDataCache entry" so, in the article claimed that a number of third-party information changes SecondLevelDataCache key value can improve system performance is not correct. 2 cache value is detected by the operating system and completely free from the influence SecondLevelDataCache value. Original (English)
From the Microsoft Knowledge Base article, we can see, the so-called Windows XP systems require users to manually open the secondary cache that is wrong. Windows XP system is based on hardware abstraction layer to read the secondary CPU cache value. Failure will only read the value of reading SecondLevelDataCache and SecondLevelDataCache the default value 0 stands for the secondary cache is 256KB, not that close. Therefore, the secondary CPU cache are open at any time, users no need to modify.
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