In Windows XP, the second-level CPU cache is not enabled by default. To improve system performance, we can enable it by modifying the registry or using software such as "Windows optimization master.
Run the Registry Editor, expand the HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Control \ Session Manager \ Memory Management Branch, and double-click "secondleveldatacace" in the window on the right ", in the displayed window, enter the Level 2 slow storage capacity of the CPU used by the current computer.
The second-level cache of the saiyang processor is kb and its value should be set to 80 (hexadecimal, the same below ). P ⅱ, P ⅲ, and P4 are both 512kb Level 2 caches, which should be set to 200; P ⅲ E (EB) and P4 Willamette only have 100 kb Level 2 caches, which should be set; AMD duron only has 64 kB Level 2 cache, should be set to 40; K6-3 has kb Level 2 cache; athlon has kb Level 2 cache; athlon XP has kb Level 2 cache; athlon XP (Barton core) it has a kb level-2 cache.
You can also use the Windows optimization master to correctly set the second-level cache of the CPU: Start the Windows optimization master and select "system performance optimization". In "file system optimization", the top is the setting item about the second-level cache of the CPU. Drag the slider to the corresponding position, save the settings, and restart the computer.