[Beowulf] multi-threading vs. MPI

Toon Knapen toon.knapen at gmail.com
Wed Dec 12 15:20:18 EST 2007


Joe Landman wrote:

> Large cluster programming will always need an MPI or MPI-like system. 
> Small SMP programming might have easier to use alternatives that are 
> "good enough".  That "good enough" factor is not one to be discounted 
> lightly, you do so at your own peril.


But what would be the advantages/disadvantages of both these 
technologies if one starts a new project now knowing that it will have 
to run in parallel and knowing that multi-core processors are 
increasingly Numa ?

toon
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