> Split up the physical register file so each pipe has it's own fraction of it, and have the register renaming logic "route" to the correct fraction? Have I go

> Split up the physical register file so each pipe has it's own fraction of it, and have the register renaming logic "route" to the correct fraction? Have I got the paper for you! From my adviser's previous student: https://dspace.mit.edu/handle/1721.1/34012 https://dspace.mit.edu/handle/1721.1/34012 But you're right -- the win isn't obvious. There's pain and advantages in both directions. I've always wanted to build it, but I only have so much time in the day. :(