A shared memory computing device that has a system interconnect, an on-chip random access memory (RAM), at least one sub-computing device and a peripheral. The RAM is connected to the system interconnect. Each sub-computing device has: (a) a first local interconnect, (b) an interconnect master connected to a local interconnect of the sub-computing device; and (c) an interconnect bridge; in which the interconnect master is adapted to issue memory transfer requests to the RAM over that bridge. The peripheral comprises a target port which is connected to the first local interconnect of the first of the at least one sub-computing devices; and a first interconnect master port which is adapted to issue memory transfer requests to the RAM. The interconnect master of the first of the at least one sub-computing devices is adapted to issue memory transfer requests to the first peripheral.
