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* | Merge pull request #37 from YosysHQ/ngapiClifford Wolf2018-08-056-64/+76
|\ \ | | | | | | API change: Use CellInfo* and NetInfo* as cell/net handles
| * | API change: Use CellInfo* and NetInfo* as cell/net handles (Python bindings)David Shah2018-08-051-0/+8
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | API change: Use CellInfo* and NetInfo* as cell/net handles (common, ice40)Clifford Wolf2018-08-055-64/+68
| |/ | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* / timing: Fix slack histogram segfault with no pathsDavid Shah2018-08-051-1/+1
|/ | | | Signed-off-by: David Shah <davey1576@gmail.com>
* Merge pull request #36 from YosysHQ/lutpermDavid Shah2018-08-053-9/+35
|\ | | | | Add LUT input permutations, improvements in ice40 timing model, improvements in router
| * Quick fix for router bug in unrouting a conflicting pipClifford Wolf2018-08-041-1/+3
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * Refactor ice40 timing fuzzer used to create delay estimatesClifford Wolf2018-08-042-3/+4
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
| * Add router1 cfg.useEstimate, improve getActualRouteDelayClifford Wolf2018-08-043-8/+31
| | | | | | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* | Slack histogram to use ps granularity via int(Arch::getDelayNS() * 1000)Eddie Hung2018-08-041-3/+5
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* | Revert "Be cognisant that delay_t could be a non-integer type (if so, ↵Eddie Hung2018-08-041-4/+4
| | | | | | | | | | | | truncate to integer)" This reverts commit b07f0eebc894dce9220ab57808ff2e7103827fea.
* | Be cognisant that delay_t could be a non-integer type (if so, truncate to ↵Eddie Hung2018-08-041-4/+4
| | | | | | | | integer)
* | Merge branch 'master' into slack_histogramEddie Hung2018-08-032-4/+4
|\| | | | | | | | | Conflicts: common/timing.cc
| * Merge branch 'master' into slack_redist_freqEddie Hung2018-08-035-17/+385
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| * | Auto frequency only if --freq 0 is setEddie Hung2018-08-032-7/+7
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* | | Merge branch 'master' into slack_histogramEddie Hung2018-08-035-17/+385
|\ \ \ | | |/ | |/| | | | | | | Conflicts: common/placer1.cc
| * | place_common: Remove excessively verbose debuggingDavid Shah2018-08-041-13/+0
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | clangformatDavid Shah2018-08-042-11/+10
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | Tidy upDavid Shah2018-08-041-1/+0
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | Add constraint weight as a command line optionDavid Shah2018-08-032-5/+11
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | Add distance moved metrics, changing heuristicsDavid Shah2018-08-032-1/+31
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | placer1: Experiment with adding 'constraint distance' metricDavid Shah2018-08-031-2/+11
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | place_common: Fixing accidental chain breakageDavid Shah2018-08-031-4/+7
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | Adding constraint satisfaction checks for debuggingDavid Shah2018-08-033-9/+18
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | Fixing constraint placement bugsDavid Shah2018-08-032-27/+46
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | place_common: Debugging bad relative constraint legalisationDavid Shah2018-08-031-1/+31
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | Fixing relative constraint implementationDavid Shah2018-08-031-0/+9
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | place_common: Relative constraints working for basic exampleDavid Shah2018-08-031-11/+28
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | place_common: Fixing rel legaliser search bugsDavid Shah2018-08-031-3/+3
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | Reworking packer and placer to use new generic rel legaliserDavid Shah2018-08-032-9/+14
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | place_common.cc: Working on constraint legalisationDavid Shah2018-08-031-13/+133
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | place_common: Helper functions for rel. constraintsDavid Shah2018-08-032-0/+126
| | | | | | | | | | | | Signed-off-by: David Shah <davey1576@gmail.com>
| * | Remove old place legaliser, set placement constraints instead (currently ↵David Shah2018-08-031-2/+2
| |/ | | | | | | | | | | ignored by placer) Signed-off-by: David Shah <davey1576@gmail.com>
* | clangformatEddie Hung2018-08-031-14/+20
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* | Add crude histogram feature, printed after placement and routingEddie Hung2018-08-033-5/+33
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* | Remove spaceEddie Hung2018-08-031-1/+0
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* | Refactor timing.cc into Timing classEddie Hung2018-08-034-102/+113
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* clangformatClifford Wolf2018-08-021-24/+20
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Fix router1 cleanupReroute() for "drive-by nets"Clifford Wolf2018-08-021-25/+32
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Add Router1CfgClifford Wolf2018-08-022-23/+39
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Improve router1 cleanupRerouteClifford Wolf2018-08-021-15/+45
| | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* Merge branch 'master' of github.com:YosysHQ/nextpnr into rerouteClifford Wolf2018-08-021-1/+0
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| * Removes unnecessary unlock causing trouble with placerMiodrag Milanovic2018-08-011-1/+0
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* | Add reroute pass and other router1 tweaksClifford Wolf2018-08-011-22/+95
|/ | | | Signed-off-by: Clifford Wolf <clifford@clifford.at>
* router: release lock on failure to unblock UISergiusz Bazanski2018-08-011-0/+3
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* timing: Fix timing analysis when no paths found (e.g. ecp5 with no cell ↵David Shah2018-08-011-28/+33
| | | | | | timing info yet) Signed-off-by: David Shah <davey1576@gmail.com>
* Fix typoEddie Hung2018-07-311-1/+1
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* Cope with slack_redist_iter == 0Eddie Hung2018-07-312-2/+2
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* clangformat for stuff I've touchedEddie Hung2018-07-315-14/+13
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* Modify the getNetinfo*() functions and getBudgetOverride() to not useEddie Hung2018-07-314-26/+18
| | | | user_idx and to take a PortRef& instead
* Add --slack_redist_iter for ice40Eddie Hung2018-07-314-7/+9
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