Linux memory stress test-memtester tool Analysis

Recently, I want to test the overall performance of a machine. I searched google and found this tool, which can be used to test the memory pressure, memtester is mainly used to capture memory errors and bad bits that are always at a very high or low level. The main items in the test include random values, differences or comparisons, subtraction, multiplication, division, and or operations. you can test the existing memory of the system based on the size and number of tests. 1 download 1 <span style = "font-family: 'Microsoft yahei';"> wget http://pyropus.ca/software/memtester/old-versions/memtester-4.2.2.tar.gz </span> 2 install 1 <span style = "font-family: 'Microsoft yahei '; "> tar zxvf memtester-4.2.2.tar.gz2cd memtester-4.2.2 www.2cto.com 3 make & make install </span> 3 parameter introduction memtester [-p PHYSADDR] <MEMORY> [ITERATIONS] MEMORY application test MEMORY count, the default unit is megabytes (MB), or the number of times the B K M G ITERATIONS test is performed. The default unit is unlimited 4. Apply for 10 M memory and test once, for example: 5 trial experience mainly want to stress test the memory, the above is just a trial, you can apply for a large memory, put in the background unlimited test nohup memtester 2G>/tmp/memtest. log & author mastiff-split