Hypertransport co-processors take us back to the 8087
 

THE SON of the Alpha EV7 bus, also known as Hypertransport these days, aimed to provide for very versatile functionality from Day One. That's whether we talk about cache-coherent NUMA-like SMP (but without most of NUMA latency penalties), or high-performance I/O, or "building engineering" features like tunnels and bridges