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* | HeAP: Don't call Eigen if system is emptyDavid Shah2019-04-012-1/+2
| | | | | | | | | | | | Fixes #259 Signed-off-by: David Shah <dave@ds0.me>
* | Merge pull request #255 from smunaut/i2c_spiDavid Shah2019-03-265-1/+112
|\ \ | | | | | | ice40: Add support for SB_I2C and SB_SPI
| * | ice40: Add support for SB_I2C and SB_SPISylvain Munaut2019-03-255-1/+112
|/ / | | | | | | Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
* | Merge pull request #257 from whitequark/patch-1David Shah2019-03-251-1/+1
|\ \ | | | | | | Fix broken header guard
| * | Fix broken header guardwhitequark2019-03-251-1/+1
|/ /
* | Merge pull request #219 from daveshah1/placer_heapDavid Shah2019-03-2541-215/+2565
|\ \ | | | | | | HeAP-based analytical placer
| * | HeAP: Make log output more consistentDavid Shah2019-03-252-5/+9
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | HeAP: Add missing newlineDavid Shah2019-03-251-1/+1
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | placer1: Restore old weighting in budget-based modeDavid Shah2019-03-241-1/+1
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | HeAP: Per-iteration output all on one lineDavid Shah2019-03-241-7/+5
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | Add --placer option and refactor placer selectionDavid Shah2019-03-2411-30/+106
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | placer1: Fix regression moving chained cells pre-legaliseDavid Shah2019-03-231-2/+3
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | Bump tests to include WAIVEDavid Shah2019-03-231-0/+0
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| * | Update README.mdDavid Shah2019-03-221-3/+7
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | clangformatDavid Shah2019-03-224-21/+23
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | placer1: Only get criticalities when in timing-driven modeDavid Shah2019-03-221-1/+1
| | | | | | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * | 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>
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