Transputer
In 1982 Inmos introduced the Transputer family of RISC pro-
cessor chips [27] that were combined with a small amount of local
memory and tightly integrated with a 4 serial link communications
interface. The processor was tailored for a message-passing para-
digm (specifically, the language Occam), and efficiently supported
high speed context switching and message handling. While this
chip has some similarities with the idea presented it did not pro-
vide a shared memory capability or even virtual memory. More-
over, the local memory was simply 1KB of static RAM, so for all
practical applications the chip had to be combined with external
DRAM
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