Memory the greater the faster the machine? I think most people will say yes, from 256M to 512M of the tips are obvious, so take it for granted, from 512M to 1G upgrade will clear it. But I use my personal experience to tell you, 1G of memory slower than the 512M, of course, what you do not set the premises.
A few days ago I took my Compaq N410c expanded to 1G of memory, 2 脳 512M pc133 for SD, the results found after the machine is not only kind enough to extend the original as a point card, and longer sleep time, and this is definitely your friends, sleep what is the memory copy to the hard disk, memory, the greater the sleep time, certainly longer, and that made me very depressed, should I spend 500 to upgrade my machine, but even slower than the original. I use this software memstate real-time monitoring of my memory and found that there has been more than 600 megabytes of spare memory, indicating the machine's memory is very enough, even many of them were being wasted, but Why is that slow the machine ? So I went to google to find the reason and found a lot of people have discovered this problem and already have the authority to explain, here I come out the key part of the extract, combined with the use of their own experiences to share with you. Note: Here are the changes and to use for XP.
Memory advantage of modifying the registry to play a major
Now open the Registry Editor, locate the [HKEY_LOCAL_MACHINESystemCurrentControlSetControlSession ManagerMomoryManagement], key in the right pane, change it (to be noted that to do some settings on the premise that the best memory than 512MB, and only Windows 2000/XP).
(1) "LargeSystemCache" (start the large system cache): In memory of memory space to open up a large disk file system for pre-reading operation. When a program requests data increases continuously, Windows automatically by the system cache read-ahead, make the program to obtain the required data with the fastest speed. As the opening of the system buffer will occupy more physical memory, so be procedures to reduce the use of available physical memory. Its value to 1. Thus, the system cache from 4MB to 8MB.
(2) "SecondLevelDataCache" (improve cpu performance): CPU processing speed is much larger than memory access speed, memory, hard drive much faster than another. So between the CPU and memory, between memory and disk performance on the formation of a bottleneck effect, the previous "LargeSystemCache" to ease the bottleneck of memory designed with the disk, and CPU in order to rapidly process the data from the memory access is also provided a buffer mechanism for L2 Cache (2 cache). Adjust the key to make Windows a better CPU with a higher use of the data caching mechanism pre-read hit rate. Proposed to set it to 512.
(3) DisablePagingExecutive (disable page file): its value to 1 (hexadecimal), this will make mandatory limit of all programs and data running in physical memory instead of virtual memory. Obviously, when there is enough physical memory to complete the necessary tasks, this will be great to improve system performance. Only 64MB of user memory to enable it, perhaps in terms of disaster - the system frequency error, until the crash.
(4) "IOPageLockLimit" (custom input / output buffer size): input-output system is to transfer data between devices and microprocessors channel, when the expansion of its data transmission when the buffer size would be more smooth. Similarly, the size of the specific setting depends on how much physical memory size and the number of running tasks to determine, in general, if there is 64MB of memory can be the key to the 16-byte hexadecimal value is set to 400 (1MB), 800 (2MB) or 1000 (4MB) 128MB memory can be set to 1000 (4MB), 2000 (8MB) or 4000 (16MB); 256MB of memory 4000 (16MB) or 8000 (32MB). Of course, if more memory can be set to 10000 (64MB) or more. When set to 0, Windows will automatically configure.
After setting them, you can restart the system. In fact, the effect of these changes is not very obvious, but psychologically there is always a comfort to it, you feel the following is a qualitative leap in place.
Here would like to introduce a software, RAMDisk Plus, this software is part of the memory partition as a disk partition to use them, you can transfer some of the temporary folder to this partition, such as IE's temporary folder, it will greatly improve your browsing speed. Memory and hard disk speed gap between the transmission speed I think we all know it, part of the memory to the hard disk with the equivalent of adding a hard drive hundreds of thousands of rpm, speed enhancement can be imagined. This is my personal experience, I put my plan out the memory of the 100M as a partition, then moved IE's temporary folder above the restart, open the Web page is a flash, before the good even in speeds middle of the night, nor so fast, it seems often not the bottleneck speeds, the machine is the bottleneck ah, especially those pictures more, need to cache the page, you can try. 100M memory to draw this, I now also keep normal free 500M memory or more, there are a lot of space, ah, good news RAMDISK plus you can add multiple partitions, I can plan out a few partitions, and then put some common procedures go in, so run up and certainly much faster.
But remember, the memory after power-down inside the thing on no, but okay, Ramdisk plus offers the option to shutdown automatically saved, which is off when the virtual hard disk partition can be saved to the real thing in your hard disk partitions designated areas, and then re-load when booting back with sleep truth about the matter, but this would lead to the shutdown time and start time becomes very long, so I suggest only place in the virtual hard disk partition temporary files, temporary files anyway sooner or later to be empty, and put ramdisk still eliminates the need to manually clear the trouble.
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