Random Access Memory

Last modified : 24 July, 2017

So I am curious how to see specifications about the memory hardware, and to benchmark it. I wouldn’t be surprised if more often than not, applications are starved for memory bandwidth rather than CPU cycles.

dmidecode lets me query the BIOS. From the man page “dmidecode is a tool for dumping a computer’s DMI (some say SMBIOS) table contents in a human-readable format” . It tells me how many DIMMs are available and what’s in those DIMMs.

However not all memory is created equal. Overclockers frequently increase the voltage (upwards of the usual 1.5V) and change timings etc. The timings themselves are very interesting too. Wikipedia and Hardware Secrets are good reads. I have personally never found the patience to constantly reboot my box and figure out what settings in my BIOS stick to give me that extra bit of oomph.

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