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OpenRAM
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4,853 Commits 4 Branches 63 Tags 78 MiB
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344 Commits

Author SHA1 Message Date
Eren Dogan fa74a45d8c Fix spacing rule for wider blockages 2023-07-24 13:08:02 -07:00
Eren Dogan 947e94323d Cleanup graph router 2023-07-24 08:03:08 -07:00
Eren Dogan 54f2e73214 Simplify inflating shapes in graph router 2023-07-23 21:09:15 -07:00
Eren Dogan 7119f9a131 Fix spacing rule for non-max-width layer in router_tech 2023-07-23 18:45:02 -07:00
Eren Dogan 542e1a5e03 Use half pin's size difference for new spacing rule 2023-07-23 18:43:26 -07:00
Eren Dogan a90fd36f57 Change spacing rule for pins 2023-07-23 10:43:02 -07:00
Eren Dogan 7a7ddebcca Add more spacing to inflated pins to prevent unroutables 2023-07-23 10:22:43 -07:00
Eren Dogan 1c274afa46 Include blockages in the routing area after generating nodes 2023-07-22 21:30:40 -07:00
Eren Dogan 06b8f3b2be Prevent supply ring from overlapping existing pins 2023-07-22 19:25:26 -07:00
Eren Dogan 48b556c43a Fix even more DRC errors in graph router 2023-07-22 14:07:27 -07:00
Eren Dogan 8354de654f Fix precision of blockage node centers 2023-07-21 12:24:20 -07:00
Eren Dogan 3e3265c416 Add new snap_to_grid function for graph router 2023-07-21 09:55:36 -07:00
Eren Dogan 44b2e4589c Don't use multiple when inflating shapes 2023-07-21 08:30:46 -07:00
Eren Dogan 7ee1dcef54 Simplify inflated_from logic 2023-07-21 08:26:54 -07:00
Eren Dogan 5ce193c2dd Snap node vectors to grid to prevent precision errors 2023-07-19 18:32:22 -07:00
Eren Dogan e8c3cf0a94 Remove nodes inside routables that can cause DRC errors 2023-07-18 22:36:14 -07:00
Eren Dogan b5983fbfd6 Prevent via DRC errors 2023-07-17 16:30:19 -07:00
Eren Dogan 6e051e7f06 Avoid DRC errors when routing the same type of pin 2023-07-17 15:43:48 -07:00
Eren Dogan 38110a55e1 Connect graph nodes better by hopping over removed nodes 2023-07-17 15:02:36 -07:00
Eren Dogan e501e0ef4f Cleanup graph for gridless router 2023-07-16 20:41:58 -07:00
Eren Dogan 983cf13ccf Fix spacing for gridless router 2023-07-16 20:25:15 -07:00
Eren Dogan 094e71764a Change option name for the gridless router 2023-07-13 12:16:58 -07:00
Eren Dogan 71e4a5ab6c Rename gridless router files 2023-07-13 12:07:55 -07:00
Eren Dogan 813a67fea9 Add more comments for gridless router 2023-07-13 11:29:51 -07:00
Eren Dogan 6b0b4c2def Create fake pins on the ring and route others to them 2023-07-10 09:24:16 -07:00
Eren Dogan 4a61874888 Add supply ring pins around the layout area 2023-07-09 18:53:21 -07:00
Eren Dogan bb35ac2f90 Include new wires while routing the pins 2023-07-03 14:04:26 -07:00
Eren Dogan 0938e7ec9a Fix probes not being blocked correctly 2023-07-03 13:34:27 -07:00
Eren Dogan 78be525ea0 Use minimum spanning tree to route same type of pins together 2023-07-01 16:14:56 -07:00
Eren Dogan 5bf629f3e5 Prevent DRC violations for vdd and gnd pins 2023-06-28 20:55:49 -07:00
Eren Dogan a47bc7ebee Prevent multiple dog-legs in non-preferred direction 2023-06-15 11:08:13 -07:00
Eren Dogan 15b4e4dbe8 Fix DRC spacing in Hanan router 2023-06-05 19:33:45 -07:00
Eren Dogan 48a148003a Include other pins as blockages in Hanan router 2023-06-05 11:27:05 -07:00
Eren Dogan 8f1af0ebb7 Reduce the number of shapes on Hanan paths 2023-06-04 10:56:50 -07:00
Eren Dogan 021da25cd6 Include all blockages inside the routing region 2023-06-04 08:46:59 -07:00
Eren Dogan 4fe5aa49e4 Reorganize utility functions for Hanan router 2023-06-01 14:24:40 -07:00
Eren Dogan e3d8ad13b2 Remove blocked Hanan node connections 2023-05-30 20:09:10 -07:00
Eren Dogan 2799c106bd Divide long code into sub-functions 2023-05-30 13:36:38 -07:00
Eren Dogan 136d4564a2 Use less memory when removing blocked Hanan points 2023-05-30 11:10:34 -07:00
Eren Dogan 9f75e68a92 Simplify Hanan graph generation 2023-05-29 21:49:00 -07:00
Eren Dogan 6079152092 Cleanup Hanan router 2023-05-29 12:43:43 -07:00
Eren Dogan e1e24f6d06 Rename gridless router 2023-05-29 09:18:55 -07:00
Eren Dogan 533c1c9472 Fix gridless router for tall and fat pins 2023-05-28 21:25:11 -07:00
Eren Dogan 33f1b924a4 Avoid blockages when connecting Hanan points 2023-05-22 18:16:49 -07:00
Eren Dogan 648a631a28 Use Hanan points to generate the routing graph 2023-05-22 13:08:21 -07:00
Eren Dogan cd339ebbd0 Add A* algorithm for navigation router 2023-05-09 13:23:01 -07:00
Eren Dogan 909ac6ce68 Add initial files for navigation router 2023-05-04 20:51:30 -07:00
Eren Dogan e5fc25da6f Update copyright year 2023-01-28 22:56:27 -08:00
Eren Dogan 96e57507bf Add copyright check to code format test 2022-11-30 14:50:43 -08:00
Eren Dogan fccdc3c45b Use library imports globally 2022-11-27 13:01:20 -08:00
mrg 5db470155e Fix print errors in code format unit test. 2022-07-26 12:20:15 -07:00
Eren Dogan e3fe8c3229 Remove line ending whitespace 2022-07-22 19:52:38 +03:00
mrg d92c7a634d Use packages for imports. 
Must set PYTHONPATH to include OPENRAM_HOME now.
Reorganizes subdirs as packages.
Rewrites unit tests to use packages.
Update README.md with instructions, dependencies etc.
Update sky130 module imports.
Change tech specific package from modules to custom.
 2022-07-13 15:55:57 -07:00
mrg c8905c410a Fix case where distance is zero length comparison 2022-05-17 15:49:06 -07:00
mrg 4be075e586 Overlap length can include a rectangle overlap. 2022-05-16 14:57:32 -07:00
mrg 3101643964 Check for no pins and fix closest pin return type 2022-05-13 14:34:26 -07:00
mrg b6c3580e24 Fix width of replica routes. Don't enclose pins if they overlap sufficiently. 2022-05-09 11:44:46 -07:00
mrg 942ab89754 Remove debug output. 2022-05-02 16:42:04 -07:00
mrg 3e48991acb Skip partial pins if they are too small to prevent DRC overlap errors. 2022-05-02 16:07:05 -07:00
mrg b1bb9151c4 Reimplement off grid pins. 
Long pins aren't accessed on end pins anymore.
Fix problem with multiple non-enclosed space causing blockages.
Add partial pin offgrid enclosure algorithm.
 2022-05-02 15:43:14 -07:00
mrg a8f50f212e Change track spacing for freepdk45 2022-03-18 16:01:57 -07:00
mrg 2bfc94fcdd Add unblocking of source and destination pins to router. 2022-03-18 14:44:13 -07:00
mrg 01a73b31e1 Fix power ring routing boundary bug. 2022-03-18 10:32:25 -07:00
mrg ef733bb7aa Optional save supply pin centers for summer project 2021-06-23 10:03:38 -07:00
mrg d6a72aed37 Add 2x1 perimter pins to satisfy minimum area rule. 2021-06-13 15:00:46 -07:00
mrg 1ded978256 Change nwell from gnd to vdd. dnwell space added. 2021-06-01 15:10:55 -07:00
mrg 9e8d39f911 Remove debug gds dump 2021-05-28 13:31:19 -07:00
mrg 77f221d859 Separate supply pin type from route supplies option 2021-05-28 11:55:50 -07:00
mrg 013c5932a0 Valid type is tree not single 2021-05-28 11:26:41 -07:00
mrg f6587badad Improve supply routing for ring and side pins 2021-05-28 10:58:30 -07:00
mrg 61221ff4fa Allow tree type 2021-05-26 17:46:41 -07:00
mrg 8bf37ca708 Connect dnwell taps to gnd 2021-05-26 17:38:09 -07:00
mrg 7736d3b927 Fix updated side pin option 2021-05-26 16:14:46 -07:00
mrg 6de5787e58 Fix offsets for ring 2021-05-26 16:14:16 -07:00
mrg 6493d1a7f4 Add dnwell 2021-05-26 16:14:16 -07:00
mrg cc91cdf008 Add power ring pin 2021-05-26 16:14:14 -07:00
mrg 453f260ca2 Add commented save npz file for intern 2021-05-06 17:14:27 -07:00
mrg f48b0b8f41 Add left stripe power routes to tree router as option. 2021-05-05 13:45:12 -07:00
mrg a0e263b14a Add vdd/gnd pins to the side. 2021-05-03 15:14:15 -07:00
mrg a730fd0f10 Use magic for LEF abstract. Fix supply perimter pin. 2021-04-14 10:01:43 -07:00
mrg 229b0059c4 Add perimeter margin to expand pins outside perimeter for OpenRoad router. 2021-04-07 16:08:29 -07:00
mrg e0024fa79a Add verbosity to error output 2021-04-07 16:07:56 -07:00
mrg 7e29dd7ff2 Reduce verbosity of routing info 2021-03-31 09:38:06 -07:00
mrg e144f03b23 Add status for supply routing. 2021-03-24 11:15:59 -07:00
mrg 5ab67214e5 Make sure to add path when source and target 2021-03-01 11:37:42 -08:00
mrg 0c2ed487d9 Redundant check if pin contains another 2021-02-26 11:16:19 -08:00
mrg 2a9b5db6d4 Rewrite enclose grids to be cleaner 2021-02-26 11:14:08 -08:00
mrg 013836bb3d PEP8 cleanup 2021-02-23 13:33:14 -08:00
mrg 549112fcf8 PEP8 cleanup 2021-02-23 13:32:13 -08:00
mrg bc8fd4a882 Merge branch 'supply_router' into dev 2021-01-25 11:01:48 -08:00
Matt Guthaus eebc2a93b6 Remove redundant pins when adding each pin 2021-01-25 09:36:27 -08:00
Matt Guthaus 30fc81a1f0 Update copyright year. 2021-01-22 11:23:28 -08:00
mrg e8239c5e77 Remove debug print statement 2021-01-15 14:27:54 -08:00
mrg 69fe050bad Refactor and cleanup router grids. 2021-01-15 13:25:57 -08:00
mrg 683f4214b2 Differentiate pin and other blockages for easier to understand blockage processing. 2021-01-14 15:58:37 -08:00
mrg e3a888e0f7 Only unblock blockages not grids 2021-01-13 13:57:49 -08:00
mrg 1b31afd773 Use partial grids for enclosure with note 2021-01-13 13:01:55 -08:00
mrg 78966824db Second iteration try unblocking partial blocked grids. 2021-01-13 12:37:29 -08:00
mrg 7506ba81be Refactor how blocked_grids work. Must still calculate blockages based on enclosed pins. 2021-01-11 11:12:45 -08:00
mrg 0faa14c0e3 Sort escape pins by distance to perimeter to reduce blockages. 2021-01-07 10:12:02 -08:00