Commit Graph

2183 Commits

Author SHA1 Message Date
David Shah
ba1e05f16b HeAP: Implement 'all+rotate' HeAP strategy
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
3dedc62593 HeAP: Weight arcs by criticality for timing-driven placement
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
05e9ae183d HeAP: Add multithreading
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
eb638c47b3 HeAP: fine tuning
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
2a0c117662 HeAP: Add performance counters
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
f3d9b45387 HeAP: Add SA-based iterative refinement after AP
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
0570cb7ae9 HeAP: Spreading working acceptably
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
030b02588b HeAP: Make cut-based spreading recursive
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
b483008cdf HeAP: Cut peturbation, binning and intra-bin linear spreading
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
8a791e8309 HeAP: Cut finder for spreading
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
4d2906378f HeAP: Region finder for spreading and strict legaliser
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
d1808c2594 HeAP: Fix how initial placement handles chains
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
d5cfd38179 HeAP: Successful solver convergance
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
ea56dc9d08 HeAP: Add TAUCS wrapper and integration
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
e36460b83e HeAP: Initial infrastructure
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
4cf8549f5c placer1: Legalise after reaching a diameter, not temperature
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
9cd5980d35 placer1: Add (currently-unused) option for fanout threshold for timing cost calc
Signed-off-by: David Shah <davey1576@gmail.com>
2019-03-22 10:31:54 +00:00
David Shah
bd0a33022b placer1: Implement non-timing-driven mode
Signed-off-by: David Shah <davey1576@gmail.com>
2019-03-22 10:31:54 +00:00
David Shah
1780f42b9a ice40: Add examples folder including floorplan example
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
0118ac00c4 placer1: Improve handling of regions
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
a8289b699f pycontainers: Implement __contains__
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
493d6c3fb9 Add Python helper functions for floorplanning
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
ae33ff397f placer1: Consider regions during placement
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
ade72de02f placer1: Optimise for performance
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
0cb351df52 placer1: New temperature heuristic
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:54 +00:00
David Shah
222abb5be2 placer1: Encourage chain swaps
Signed-off-by: David Shah <davey1576@gmail.com>
2019-03-22 10:31:54 +00:00
David Shah
c926b273de placer1: Tweaks
Signed-off-by: David Shah <davey1576@gmail.com>
2019-03-22 10:31:54 +00:00
David Shah
23306c163f placer1: Allow chain position swaps after legalisation
Signed-off-by: David Shah <davey1576@gmail.com>
2019-03-22 10:31:54 +00:00
David Shah
3650c8a0e7 placer1: Tweaking temperature
Signed-off-by: David Shah <davey1576@gmail.com>
2019-03-22 10:31:54 +00:00
David Shah
0d80181c5e placer1: Make budget-based placement an option
Signed-off-by: David Shah <davey1576@gmail.com>
2019-03-22 10:31:28 +00:00
David Shah
a218c27305 placer1: Tuning
Signed-off-by: David Shah <davey1576@gmail.com>
2019-03-22 10:31:28 +00:00
David Shah
3938ea41fc placer1: Fix cost delta calculation
Signed-off-by: David Shah <davey1576@gmail.com>
2019-03-22 10:31:28 +00:00
David Shah
2ef2d2b2cb placer1: Bugfixes
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:28 +00:00
David Shah
f8f89cea71 placer1: Rework to use new criticality-based weighted cost function
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:31:00 +00:00
David Shah
3e40f0b9c3 placer1: New cost calculation infrastructure
Signed-off-by: David Shah <dave@ds0.me>
2019-03-22 10:29:59 +00:00
David Shah
0d064c05f9
Merge pull request #252 from YosysHQ/tristate_json
json: Fix inputs directly driving inouts
2019-03-21 12:36:11 +00:00
David Shah
85bff66393
Merge pull request #251 from YosysHQ/ice40-u4k-fix
ice40: Fix u4k in external chipdb mode.
2019-03-20 17:26:51 +00:00
David Shah
997a66791e json: Fix inputs directly driving inouts
Signed-off-by: David Shah <dave@ds0.me>
2019-03-20 16:07:47 +00:00
Marcin Kościelnicki
1060810d7a ice40: Fix u4k in external chipdb mode.
Signed-off-by: Marcin Kościelnicki <marcin@symbioticeda.com>
2019-03-19 15:23:43 +01:00
Miodrag Milanović
cadbf42054
Merge pull request #249 from koriakin/gui-tab-fix
gui: Fix Cells/Nets tab contents.
2019-03-12 19:17:22 +01:00
Marcin Kościelnicki
b1d345c233 bba: Fix str with empty string.
Signed-off-by: Marcin Kościelnicki <marcin@symbioticeda.com>
2019-03-12 18:18:56 +01:00
Marcin Kościelnicki
a0ad5bc306 gui: Fix Cells/Nets tab contents.
Signed-off-by: Marcin Kościelnicki <marcin@symbioticeda.com>
2019-03-12 18:18:36 +01:00
David Shah
97993e76ea gui/fpgaviewwidget: Make background opaque
Signed-off-by: David Shah <dave@ds0.me>
2019-03-12 14:03:28 +00:00
Miodrag Milanović
661857fe8e
Merge pull request #247 from YosysHQ/timing-allow-fail
Add flag timing-allow-fail to allow PnR to pass with warning
2019-03-04 13:53:00 +01:00
Miodrag Milanovic
0bcf57bd47 Add flag timing-allow-fail to allow PnR to pass with warning 2019-03-04 12:29:19 +01:00
David Shah
cc5edfd97e
Merge pull request #244 from YosysHQ/ecp5tests
tests: Bump submodule to include ecp5 regressions
2019-03-01 16:13:33 +00:00
David Shah
d0ee4cef04 ci: Run ECP5 regression tests
Signed-off-by: David Shah <dave@ds0.me>
2019-03-01 10:47:59 +00:00
David Shah
203e46aee3 tests: Bump submodule to include ecp5 regressions
Signed-off-by: David Shah <dave@ds0.me>
2019-03-01 09:07:59 +00:00
David Shah
0279f63710
Merge pull request #243 from YosysHQ/ecp5lpf
ecp5: Improve constraint-related error handling
2019-02-28 15:01:42 +00:00
Serge Bazanski
9aadfef8c1
Merge pull request #212 from smunaut/gui_shift_move
gui: Allow shift+drag to move around the view
2019-02-28 15:26:48 +01:00