1. A multi-processor computer system comprising: multiple first sets of buddy cells, wherein a cell of the multiple cells includes one or more processors and memory resources; a first global crossbar network; each cell of the first sets of buddy cells having multiple cell-to-global-crossbar connectors, to connect the multiple cells with the first global crossbar network; at least one cell-to-cell connector between buddy cells, to directly connect the buddy cells to each other; a first subset of the first set of multiple buddy cells being connected to a first local crossbar network; a first plurality of input/output devices coupled to the first local crossbar network; a second subset of the first set of multiple buddy cells being connected to a second local crossbar network; and a second plurality of input/output devices coupled to the second local crossbar network.