New computer optimization tips and tricks

Source: enet Silicon Valley power

Are the circulating optimization techniques credible?

Computer performance optimization, overclocking, and transformation are what every DIYER user is pursuing. However, many users "blindly" optimize the computer and even improve the performance through "abnormal" transformation, the result was just a false psychological achievement of "Satisfaction". In fact, not only did the performance not improve, but occupied more resources of the system. In addition, many magazines and websites sometimes publish optimization techniques that have not been verified and tested to attract more readers. Being light and useless, the readers may suffer computer damage. In the "mass movement" optimized by computers, there are frequent undo and undo solutions. In order to wake up these so-called simple optimizations, the hardware performance can be "Reborn, we have listed several typical performance optimization frauds for your reference. Think about the optimization method next time to avoid being fooled.

Deception: 1 Mb to 2 Mb of ADSL bandwidth

Deception

If you search online, there are a lot of articles about ADSL optimization. For example, if you modify the registry or ADSL optimization master, you can speed up the Internet, or even reach as much as 20%. Is this really a good result?

Scam Analysis

Is Soft optimization really useful? Of course. However, we know from the test that the effect is not obvious. Taking modifying the Registry to optimize ADSL as an example, enter the Registry HKEY_LOCAL_MACHINESystemCurrentControlSetServicesVxDMSTCP and change "DefaultRcvWindow" to "371712" to increase the network bandwidth to 2 Mbps. We know that broadband providers provide 1 Mb/s bandwidth (theoretical speed) for ADSL, but in fact it cannot reach this speed, even if it is improved through soft optimization, the maximum speed can only be increased to nearly 1 Mb. How can we get 2 Mb for free? No matter how complicated you are, the bandwidth of 1 MB of ADSL cannot be optimized to a speed greater than 1 MB.

The author makes a comparative test before and after the registration modification. Before modifying the Registry optimization, use FlashGet to enable 10 threads to download a 10 MB file at a speed of 95KB/s. After optimization, the speed is only increased by about 0.2 KB (95.2 K/S ). In order to confirm the deception of soft optimization, the author uses the "ADSL optimization master" to carry out the test before and after optimization (the test environment is http://www.linkwan.com/gb/broadmeter/SpeedAuto/), using the ADSL optimization master before optimization speed is 113.12 K/S, after the optimization, the speed is reduced to 105.04/S. It seems that it is not only ineffective. Enabling the software consumes resources and slows down the entire network speed.

There is no essential change in the speed of pre-and post-optimization comparison tests. The 6 kb/s gap can be counted as a test error.

Deception 2: No opened P4 level 2 Cache

Deception

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. You can also run the Registry Editor to expand the HKEY_LOCAL_MACHINESystemCurrentControlSetControlSessionManagerMemory Management Branch, double-click "SecondLevelDataCace" in the window on the right, and then fill in the second-level CPU storage capacity of the current computer.

Scam Analysis

Is that true? In the Microsoft Knowledge Base, find "Do not change the SecondLevelData

The article points out that some third-party data claims that modifying the SecondLevelDataCache key value can improve system performance. The value of the second-level cache is detected by the operating system and is not affected by the SecondLevelDataCache value.

The so-called Windows XP system requires users to manually open the second-level cache. Windows XP reads the second-level cache value of the CPU Based on the hardware abstraction layer. The value of SecondLevelDataCache is read only when reading fails. The default value 0 of SecondLevelDataCache indicates that the second-level cache is 256KB, rather than being disabled. Therefore, the second-level cache of the CPU is enabled at any time, and you do not need to modify it on your own.