[Beowulf] zram usage

Prentice Bisbal prentice.bisbal at rutgers.edu
Thu May 1 12:18:11 PDT 2014

On 05/01/2014 07:31 AM, John Hearns wrote:
> I'm my eternal quest for more RAM  , has anyone used zram with HPC 
> applications?
> I suppose any gains would depend on how sparse /compressible the data 
> you are holding in RAM is.
> http://en.wikipedia.org/wiki/Zram

If you're on an eternal quest for more RAM, have you looked at using an 
NVMe SSD device, or an UltraDIMM? They may not perform as fast as RAM, 
but you can get a lot more space for less money, so the capacity may 
make up for the shortfall in performance.

Obligatory links:





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