Commit Graph

88 Commits

Author SHA1 Message Date
David Shah 2248e07b66 router2: Improve flow and log output
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 13:46:05 +00:00
David Shah a8206ed170 router2: Add a simple timing heuristic
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 13:33:20 +00:00
David Shah ad1cc12df1 router2: Make magic numbers configurable
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah f82e133c7c router2: Fix case of undriven unsunk arcs
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah c27e7780d1 router2: Multi-thread in more cases
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 3b043432f5 router2: Flatten wire structure
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 2de98386a7 router2: Experiment with data structures
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 7ac43e5f00 router2: Profile nets by route time
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 72367e6cfd router2: Improvements
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 900fe98f0d router2: reduce bias cost factor
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 3b6d9c952a router2: special case improvement
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah a1c703729c router2: reduce memory footprint
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 37543ad003 router2: debugging
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 17256c680a router2: debugging
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 3d739b5916 router2: first pass at reserved wires
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 50b120528a router2: debugging some edge cases
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah bbc9c9b0ba router2: speedup
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 59c554b50a router2: Improve backwards routing of some cases
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 363d664f27 router2: tweaks
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah ffd679cd36 router2: Attempt to fix some stuck routing cases
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 3b28ba2f76 router2: Debugging
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 39b75244da router2: Working on multithreading
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah 72f4721167 router2: Some simple partitioning
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:31 +00:00
David Shah c21db8a0c1 router2: Congestion map generation
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah 010e7ba8cb router2: Add IPIN cost to model
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah a8351b265f router2: Changes for ECP5
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah 385380401a router2: Deal with some special cases
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah fa217a50a5 router2: Binding nextpnr wires/pips
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah 599236bbc6 router2: Special backwards mode for gnd/vcc-like nets
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah a4ab9b19d7 router2: Bounding box improvements
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah 54ca2e9b9c router2: nearly there
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah d5f6661bfb router2: Net data fixes
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah 1c686101fc router2: Fixes
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah 0ca07e5a6b router2: Add some test glue
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah 37d5775694 router2: A* main loop
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah dbb771dfe4 router2: helper functions
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah a0ac9d62f2 router2: infrastructure
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00
David Shah 51c0642ee0 router2: Basic infrastructure
Signed-off-by: David Shah <dave@ds0.me>
2020-02-03 11:38:30 +00:00