[Beowulf] shared memory versus MPI and bootless boot
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Mark Hahn hahn at physics.mcmaster.caThu Jun 29 09:16:22 PDT 2006
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> > if your ram disk or local storage is 128MB, over a 2Mbps connect, i make > > it 8 mins, nearer 9 to load which is... urm slow. > > > > again this for a 100Mbps hub you would get 10.24 seconds per node. > > Ah thanks for noticing this, hadn't realized this timing problem yet! well, 128M of traffic to boot is pretty extreme. I haven't tcpdumped it, but it looks like around 2-4MB is all that's needed using the NFS-root approach.
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