[Beowulf] Parallel memory

Paulo Afonso Lopes pal at di.fct.unl.pt
Tue Oct 18 13:29:27 PDT 2005

Look at Single System Image (SSI) and Distributed Shared Memory (DSM)

A DSM/SSI you may find suitable is www.kerrighed.org


> Are there any drivers, tools, etc. that can make the memory space on a
> cluster look shared, something like pvfs but for memory?  I'm sure there
> would be a speed hit, but in this instance, speed isn't the problem as
> much
> as memory.  We have a code that uses a huge amount of memory and the
> memory
> usage is proportional to the cube of the problem size, but the time for it
> to run isn't too much of an issue.  I've been asked to parallelize the
> code
> using mpi which is going to be a major effort.  However, I thought that if
> there was anyway, even if inefficient speed wise, to create a virtual
> parallel memory system it would be better than it using swap space and
> save
> a bunch of coding time.

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