Tag: performance

Upgrade Curcial BX100 SSD Firmware

It is almost two years old of my Crucial BX100 256GB SSD. Now, I upgraded its firmware from MU01 to MU02. Then I did the benchmark test. The result is very clear that new firmware improve the performance. The original test I did in 2014 shown as below: AS SSD Benchmark test Result on Crucial

PHP bench test results of PHP 5.3, PHP 5.4, and PHP 5.5

It is a bench test. Testing on the testing machine I just installed in the previous post. Including PHP 5.3.28, PHP 5.4.28, and PHP 5.5.12, installed with fastcgi running on Apache and mod_fcgid. PHP 5.3 is 6.567 seconds. -------------------------------------- | PHP BENCHMARK SCRIPT | -------------------------------------- Start : 2014-05-24 16:27:00 Server : web3.example.com@ PHP version :

Performance between PHP5.3.3 and PHP5.5.12

I installed PHP5.3.3 and PHP5.4.28 at the same time in one VirtualBox guest OS. Basic information. Host OS: Windows 7 Ultimate 64bit VirtualBox 4.3.12 Guest OS: CentOS 6.5 64bit with 512MB base memory PHP5.3.3 is installed as mod_php PHP5.5.12 is installed as php-fpm with mod_fastcgi   Run PHP BENCHMARK SCRIPT to get the total time.

7 Tips to Wi-Fi Performance Optimization

The seven must-know tips for your Wireless Wi-Fi network Performance Optimization. 1. Placements of Devices Radio signal travels through air to its destination. The radio signal will be reflected, refracted or absorbed if there is something on the way. So, Keep the wireless router away from blockage, especially metal and bricks. 2. Antennas Positioning Antennas

How to Disable ETags in Apache httpd.conf

What are ETags? ETag is a standard used for determining whether the client (web browser) already has the latest version. If it has, it’s simply loaded from local cache. If not, the new version is requested. An ETag is a hash generated based on either the inode number, the last modified time and / or


Ordered a new VPS from ServerMania. I did a test two days ago through ServerBear. The basic information about this VPS. RAM 4 GB Burstable 8GB HDD 150 GB CPU Model Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz CPU Cores 4 CPU Speed 3500 MHz CPU Cache 8192 KB 4 TB Bandwidth 4 IP address

PHP 5.5 is 20% faster than PHP5.3

It is a general test on a Centos 6.4 system. The benchmark script is made by http://www.php-benchmark-script.com/. The first time I run it on the updated default Centos6.4. The php version is 5.3.3. I think it has Xcache installed. The test result is Total time: 8.482 sec. Breakdown as below: test_math 2.332 sec. test_stringmanipulation :