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* timing: Add missing std::minDavid Shah2019-06-231-1/+1
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Fix missing \n in log statement.whitequark2019-06-041-1/+1
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* Added explanation, fixes issue #278Miodrag Milanovic2019-05-271-1/+1
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* option to disable anti aliasing in guiMiodrag Milanovic2019-05-251-1/+2
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* ecp5: Fix USRMCLK primitiveDavid Shah2019-05-102-0/+20
| | | | Signed-off-by: David Shah <dave@ds0.me>
* Merge pull request #261 from YosysHQ/pygenericDavid Shah2019-04-194-12/+157
|\ | | | | Python API for generic architecture
| * pybindings: make errors in Python scripts stop nextpnr executionDavid Shah2019-04-171-2/+6
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * pybindings: Fix use of import in user scriptsDavid Shah2019-04-171-0/+7
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * generic: Cell timing supportDavid Shah2019-04-041-3/+3
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * generic: GUI Python bindingsDavid Shah2019-04-033-2/+34
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * generic: Simple working exampleDavid Shah2019-04-021-8/+25
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * generic: Place a single SLICEDavid Shah2019-04-021-30/+5
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * python: Named argument supportDavid Shah2019-04-022-0/+31
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
| * python: Infrastructure for generic arch Python APIDavid Shah2019-04-022-0/+79
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | timing_opt: Add locks to optimise()Alyssa Milburn2019-04-161-0/+2
| | | | | | | | Signed-off-by: Alyssa Milburn <amilburn@zall.org>
* | clangformatDavid Shah2019-04-081-6/+9
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | placer1: Check correctness of incremental updates with --debugDavid Shah2019-04-081-0/+18
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | placer1: Improve incremental bounding box updatesDavid Shah2019-04-071-38/+213
| | | | | | | | Signed-off-by: David Shah <dave@ds0.me>
* | common: avoid std::ofstream copyJanos Farkas2019-04-021-2/+2
|/ | | | | Using a copy constructor to set the logfile is the only thing that stops compilation with the libstdc++ shipping with gcc 4.8 (maybe 4.7)
* HeAP: Don't call Eigen if system is emptyDavid Shah2019-04-011-1/+2
| | | | | | Fixes #259 Signed-off-by: David Shah <dave@ds0.me>
* Fix broken header guardwhitequark2019-03-251-1/+1
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* 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 Shah2019-03-242-8/+38
| | | | 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>
* clangformatDavid Shah2019-03-222-4/+3
| | | | 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>
* 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 Shah2019-03-223-9/+37
| | | | Signed-off-by: David Shah <dave@ds0.me>
* HeAP: Make HeAP placer optionalDavid Shah2019-03-221-0/+16
| | | | | | | | | | | | | 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 Shah2019-03-223-123/+28
| | | | 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>
* HeAP: tidying upDavid Shah2019-03-222-115/+85
| | | | 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 Shah2019-03-221-9/+20
| | | | 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>
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