Do I correctly assume that GLB_RT_MAXLAYER is onl...
# openlanej
Jean
12/26/2020, 11:14 PMDo I correctly assume that GLB_RT_MAXLAYER is only a recommendation? TritonRoute seems to ignore it!
t
tnt
12/26/2020, 11:20 PMin effect yes.
tnt
12/26/2020, 11:21 PMI think it's a constraint for FastRoute when it creates the guides. But since the guides are just ... guides for TritonRoute, the latter can choose to ignore them if it neeeds to for routing.
a
Ahmed Ghazy
12/28/2020, 2:02 PMYou can use routing obstructions to more or less forbid routing on higher layers. (e.g.,
set ::env(GLB_RT_OBS) "met5 $::env(DIE_AREA), met4 $::env(DIE_AREA)"