Bent Terp wrote: >> 2 minutes of frantic googling led to this project: >> http://www.kerrighed.org which at least seems to be alive, but I >> haven't tried it myself. >> > You might also want to look at this one: http://www.xtreemos.org/ > those are both grid solutions. as any high performance clustering solution inherently must be. You still have to program with MPI or anther grid-oriented programming methodology and break your workload up into parallel chunks The OP specifically stated he wants his cluster to function as a single processor, so a single conventionally written (and presumably single-threaded) program would run faster, and thats just not possible.