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* ecp5: Speedup cell delay lookupsDavid Shah2019-03-222-1/+30
| | | | Signed-off-by: David Shah <dave@ds0.me>
* common: Add early return path to getNetinfoRouteDelay for fully unrouted netsDavid Shah2019-03-221-0/+3
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Add PlacerHeapCfgDavid Shah2019-03-225-12/+45
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Make HeAP placer optionalDavid Shah2019-03-226-15/+71
| | | | | | | | | | | | | A CMake option 'BUILD_HEAP' (default on) configures building of the HeAP placer and the associated Eigen3 dependency. Default for the iCE40 is SA placer, with --heap-placer to use HeAP Default for the ECP5 is HeAP placer, as SA placer can take 1hr+ for large ECP5 designs and HeAP tends to give better QoR. --sa-placer can be used to use SA instead, and auto-fallback to SA if HeAP not built. Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Switching from TAUCS to EigenDavid Shah2019-03-225-129/+35
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* HeAP: Fix regressionDavid Shah2019-03-221-0/+2
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* HeAP: Fix occupancy countDavid Shah2019-03-221-2/+3
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* HeAP: Legaliser fixesDavid Shah2019-03-221-2/+2
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Avoid getting stuck in legaliser ripupDavid Shah2019-03-221-3/+26
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Chain supportDavid Shah2019-03-222-8/+103
| | | | Signed-off-by: David Shah <dave@ds0.me>
* ci: Add OpenBLAS to DockerfileDavid Shah2019-03-221-1/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: tidying upDavid Shah2019-03-223-116/+86
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Make strict legalisation wirelength driven where neededDavid Shah2019-03-221-6/+62
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Use for ECP5 as well as iCE40David Shah2019-03-222-16/+22
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Implement 'all+rotate' HeAP strategyDavid Shah2019-03-223-30/+56
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Weight arcs by criticality for timing-driven placementDavid Shah2019-03-221-6/+18
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Add multithreadingDavid Shah2019-03-221-27/+24
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: fine tuningDavid Shah2019-03-221-28/+100
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Add performance countersDavid Shah2019-03-221-3/+27
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Add SA-based iterative refinement after APDavid Shah2019-03-223-87/+143
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Spreading working acceptablyDavid Shah2019-03-221-64/+51
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Make cut-based spreading recursiveDavid Shah2019-03-221-17/+56
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Cut peturbation, binning and intra-bin linear spreadingDavid Shah2019-03-221-19/+132
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Cut finder for spreadingDavid Shah2019-03-221-18/+130
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Region finder for spreading and strict legaliserDavid Shah2019-03-221-36/+454
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Fix how initial placement handles chainsDavid Shah2019-03-221-9/+67
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Successful solver converganceDavid Shah2019-03-223-27/+115
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Add TAUCS wrapper and integrationDavid Shah2019-03-227-6/+175
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Initial infrastructureDavid Shah2019-03-221-0/+366
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer1: Legalise after reaching a diameter, not temperatureDavid Shah2019-03-221-6/+4
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer1: Add (currently-unused) option for fanout threshold for timing cost calcDavid Shah2019-03-222-3/+5
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* placer1: Implement non-timing-driven modeDavid Shah2019-03-221-26/+31
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* ice40: Add examples folder including floorplan exampleDavid Shah2019-03-2211-0/+42
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer1: Improve handling of regionsDavid Shah2019-03-221-4/+53
| | | | Signed-off-by: David Shah <dave@ds0.me>
* pycontainers: Implement __contains__David Shah2019-03-221-0/+14
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Add Python helper functions for floorplanningDavid Shah2019-03-226-1/+81
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer1: Consider regions during placementDavid Shah2019-03-223-16/+38
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer1: Optimise for performanceDavid Shah2019-03-221-20/+58
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer1: New temperature heuristicDavid Shah2019-03-223-19/+18
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer1: Encourage chain swapsDavid Shah2019-03-221-1/+1
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* placer1: TweaksDavid Shah2019-03-222-5/+7
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* placer1: Allow chain position swaps after legalisationDavid Shah2019-03-222-4/+116
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* placer1: Tweaking temperatureDavid Shah2019-03-221-9/+14
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* placer1: Make budget-based placement an optionDavid Shah2019-03-223-22/+35
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* placer1: TuningDavid Shah2019-03-221-6/+5
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* placer1: Fix cost delta calculationDavid Shah2019-03-221-1/+3
| | | | Signed-off-by: David Shah <davey1576@gmail.com>
* placer1: BugfixesDavid Shah2019-03-221-11/+15
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer1: Rework to use new criticality-based weighted cost functionDavid Shah2019-03-221-88/+148
| | | | Signed-off-by: David Shah <dave@ds0.me>
* placer1: New cost calculation infrastructureDavid Shah2019-03-221-1/+103
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #252 from YosysHQ/tristate_jsonDavid Shah2019-03-213-2/+17
|\ | | | | json: Fix inputs directly driving inouts
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