Peter Schmidt-Nielsen
06/19/2021, 10:27 AMPL_TARGET_DENSITY
and FP_CORE_UTIL
help, or are those irrelevant to this "congestion"?Matthew Guthaus
06/19/2021, 1:44 PMPeter Schmidt-Nielsen
06/19/2021, 9:09 PMPL_TARGET_DENSITY
. Cool, thanks, I'll try GLB_ROUTE_ADJUSTMENT
.[ERROR]: There are violations in the design after detailed routing.
[ERROR]: Total Number of violations is 9
Would tweaking GLB_ROUTE_ADJUSTMENT
be your advice for this too? I honestly don't know which steps run in which order, and therefore which failures cannot be helped by which options.GLB_ROUTE_ADJUSTMENT
you're referring to GLB_RT_ADJUSTMENT
? It looks like the default value is 0 ("least reduction"), so I assume there's not much I can do by adjusting that?Matthew Guthaus
06/19/2021, 11:19 PMMitch Bailey
06/21/2021, 9:29 AMPeter Schmidt-Nielsen
06/22/2021, 1:51 AMGLB_RT_ADJUSTMENT
to values like 0.2, 0.5, and 1 didn't have any discernible effect, but I increased GLB_RT_OVERFLOW_ITERS
to 200 and ROUTING_OPT_ITERS
to 256, and things got a tad better.