From: Luke Kenneth Casson Leighton Date: Mon, 29 Jul 2019 13:43:37 +0000 (+0100) Subject: add comment on n_comb_stages X-Git-Tag: ls180-24jan2020~679 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=18aabb38d34d773b5565c03a7891c2a451e174fe;p=ieee754fpu.git add comment on n_comb_stages --- diff --git a/src/ieee754/fpdiv/pipeline.py b/src/ieee754/fpdiv/pipeline.py index 4330df44..3662b215 100644 --- a/src/ieee754/fpdiv/pipeline.py +++ b/src/ieee754/fpdiv/pipeline.py @@ -47,7 +47,8 @@ normpack - FPNormToPack ispec FPAddStage1Data the number of combinatorial StageChains (n_comb_stages) in FPDivStages is an argument arranged to get the length of the whole -pipeline down to sane numbers. +pipeline down to sane numbers. it specifies the number of "blocks" +that will be combinatorially chained together. the reason for keeping the number of stages down is that for every pipeline clock delay, a corresponding ReservationStation is needed.