[libre-riscv-dev] [Bug 329] coriolis2 experiment layout for Dependency Matrices

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Fri May 22 14:53:57 BST 2020


--- Comment #8 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
after a little thought, see the diagram in attachment "fu-fu matrix"

notice there is "Group1", "Group2", "Group3" at the bottom?

these are the Priority Pickers.

there are separate Register Files (and there are 5R2W ports in the original
CDC 6600)

therefore, in the original CDC 6600, they had 3x banks of Priority Pickers.

if we follow this arrangement, it means that readable_o and writable_o
definitely come out at the BOTTOM of the FU-FU Matrix.

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