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827 Commits

Author SHA1 Message Date
whitequark
f3339961fe Fix missing \n in log statement. 2019-06-04 13:15:23 +00:00
Miodrag Milanovic
44d6f16b66 Support ecp5 read write additional cell info 2019-06-03 21:01:05 +02:00
Miodrag Milanovic
82ed1803c7 use NEXTPNR_BEL, since BEL is initial placement 2019-06-02 18:38:20 +02:00
Miodrag Milanovic
7c65da417b Read constraints and placing from file 2019-06-02 17:33:37 +02:00
Miodrag Milanovic
d0273f7faa option to disable packing 2019-06-02 10:01:20 +02:00
Miodrag Milanovic
5c47b6034e added no-place and no-route options 2019-06-02 09:13:19 +02:00
Miodrag Milanovic
bab6c9a09f Proper save message 2019-06-02 08:50:48 +02:00
Miodrag Milanovic
d5d8213871 Added support for attributes/properties types 2019-06-01 15:52:32 +02:00
Miodrag Milanovic
5013724c0a Solve issue with nets/cells not visible on load 2019-06-01 10:27:01 +02:00
Miodrag Milanovic
545068dec4 Initial work on jsonwrite 2019-05-31 11:09:13 +02:00
Miodrag Milanovic
2ea1ccf2e6 Added explanation, fixes issue #278 2019-05-27 19:10:50 +02:00
Miodrag Milanovic
9b8d3b7546 option to disable anti aliasing in gui 2019-05-25 08:42:17 +02:00
David Shah
12f375a239 ecp5: Fix USRMCLK primitive 
Signed-off-by: David Shah <dave@ds0.me>
 2019-05-10 18:51:45 +01:00
David Shah
5344bc3b65
Merge pull request #261 from YosysHQ/pygeneric 
Python API for generic architecture
 2019-04-19 17:40:55 +01:00
David Shah
9fa13b5adc pybindings: make errors in Python scripts stop nextpnr execution 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-17 11:12:58 +01:00
David Shah
90ceb829f3 pybindings: Fix use of import in user scripts 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-17 10:57:19 +01:00
Alyssa Milburn
c1cc356bb0 timing_opt: Add locks to optimise() 
Signed-off-by: Alyssa Milburn <amilburn@zall.org>
 2019-04-16 16:03:12 +02:00
David Shah
cfcd657e32 clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-08 18:08:39 +01:00
David Shah
ad9bc627e6 placer1: Check correctness of incremental updates with --debug 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-08 18:08:26 +01:00
David Shah
65b2a76159 placer1: Improve incremental bounding box updates 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-07 15:55:07 +01:00
David Shah
f0cd51e6bc generic: Cell timing support 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-04 16:34:06 +01:00
David Shah
6fffe24177 generic: GUI Python bindings 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-03 16:08:33 +01:00
Janos Farkas
587b022b0a common: avoid std::ofstream copy 
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)
 2019-04-02 16:39:21 +00:00
David Shah
32327b761a generic: Simple working example 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-02 15:30:01 +01:00
David Shah
50fd8aa01f generic: Place a single SLICE 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-02 15:30:01 +01:00
David Shah
30f0c582e4 python: Named argument support 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-02 15:30:01 +01:00
David Shah
f5bfd557b6 python: Infrastructure for generic arch Python API 
Signed-off-by: David Shah <dave@ds0.me>
 2019-04-02 15:30:01 +01:00
David Shah
db152b332b HeAP: Don't call Eigen if system is empty 
Fixes #259

Signed-off-by: David Shah <dave@ds0.me>
 2019-04-01 12:18:02 +01:00
whitequark
818165031c
Fix broken header guard 2019-03-25 19:32:58 +00:00
David Shah
25e3350675 HeAP: Make log output more consistent 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-25 15:39:15 +00:00
David Shah
49e827a9b4 HeAP: Add missing newline 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-25 12:41:25 +00:00
David Shah
efc6872341 placer1: Restore old weighting in budget-based mode 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-24 13:59:27 +00:00
David Shah
00b09fbb43 HeAP: Per-iteration output all on one line 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-24 11:18:38 +00:00
David Shah
02ae21d8fc Add --placer option and refactor placer selection 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-24 11:10:20 +00:00
David Shah
52e05f4a07 placer1: Fix regression moving chained cells pre-legalise 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-03-23 23:15:05 +01:00
David Shah
23f2fff1c8 clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:39:05 +00:00
David Shah
801675a2c6 placer1: Only get criticalities when in timing-driven mode 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:31:54 +00:00
David Shah
f8a38c59f8 common: Add early return path to getNetinfoRouteDelay for fully unrouted nets 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:31:54 +00:00
David Shah
bd12c0a486 HeAP: Add PlacerHeapCfg 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:31:54 +00:00
David Shah
7142db28a8 HeAP: Make HeAP placer optional 
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>
 2019-03-22 10:31:54 +00:00
David Shah
1c824709e2 HeAP: Switching from TAUCS to Eigen 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-03-22 10:31:54 +00:00
David Shah
589b267a93 HeAP: Fix regression 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-03-22 10:31:54 +00:00
David Shah
8e4e03d980 HeAP: Fix occupancy count 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-03-22 10:31:54 +00:00
David Shah
6cf001d355 HeAP: Legaliser fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:31:54 +00:00
David Shah
352f15e96b HeAP: Avoid getting stuck in legaliser ripup 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:31:54 +00:00
David Shah
70a6379bf6 HeAP: Chain support 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:31:54 +00:00
David Shah
2e2f44c82e HeAP: tidying up 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:31:54 +00:00
David Shah
fb02fc69c6 HeAP: Make strict legalisation wirelength driven where needed 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:31:54 +00:00
David Shah
8295f997ae HeAP: Use for ECP5 as well as iCE40 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-22 10:31:54 +00:00
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
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
997a66791e json: Fix inputs directly driving inouts 
Signed-off-by: David Shah <dave@ds0.me>
 2019-03-20 16:07:47 +00:00
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
89de4caf6c timing: Fix negative slack overflow issue 
Signed-off-by: David Shah <dave@ds0.me>
 2019-02-25 11:49:25 +00:00
David Shah
55b0b60d9d ecp5: Router performance improvements 
Signed-off-by: David Shah <dave@ds0.me>
 2019-02-25 11:49:25 +00:00
David Shah
e50ab2106f ecp5: Fixes for litedram 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-24 10:28:25 +01:00
David Shah
817ba5a4b9 ecp5: Add DELAYF/DELAYG support 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-02-24 10:28:25 +01:00
Eddie Hung
63a7f57b01 [timing] Fix off-by-one error 2019-02-11 08:32:01 -08:00
Eddie Hung
a520b38424
Merge pull request #226 from YosysHQ/190207 
Fix slack_histogram computation accessing num_bins+1
 2019-02-09 10:16:23 -08:00
David Shah
db990d2175 clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2019-02-08 13:43:55 +00:00
David Shah
c900bcc949 Merge branch 'ecp5func' 2019-02-08 12:57:17 +00:00
Eddie Hung
f9f15e79cd Fix slack_histogram computation accessing num_bins+1 2019-02-07 09:26:41 -08:00
David Shah
564a7e27b1 timing: Add --ignore-loops option 
Signed-off-by: David Shah <dave@ds0.me>
 2019-02-05 08:20:05 +01:00
David Shah
8e8c103b34 router1: Print route time 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-01-30 17:50:49 +00:00
David Shah
0ca0af6c72 placer1: Add place time print 
Signed-off-by: David Shah <davey1576@gmail.com>
 2019-01-30 17:50:49 +00:00
David Shah
cc53c312de timing: Path related fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2019-01-27 16:45:37 +00:00
David Shah
7f69c0f455 command: Setup logging before attempting to create Context 
This way errors (such as an invalid package type) occurring
during Context creation are printed properly.

Signed-off-by: David Shah <dave@ds0.me>
 2018-12-26 16:05:12 +00:00
David Shah
f21791fe22 common/chain_utils: Don't allow overlapping chains 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-12-19 10:36:55 +00:00
David Shah
f4d4244534 timing: Fix critical path print 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-13 12:10:18 +00:00
David Shah
e8c03a0dd7 timing_opt: Fix generic build 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-12-07 23:51:09 +01:00
David Shah
b732e42fa3 timing_opt: Reduce iterations to 30, tidy up logging 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 11:00:16 +00:00
David Shah
56dfd5564a timing: Fix xclock crit calc and compiler warnings 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
2b84b33cd6 timing_opt: Reduce search diameter to 2 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
745960fa85 timing_opt: Neighbour related fixes 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
f53dc8d3c9 timing_opt: Improve heuristics 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
a990a1576c timing_opt: Fix criticality and cost calculations 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
0f40e5fe8c timing: Fixes to criticality calculation 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
254c5ea359 clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
e1c74ad3db timing_opt: Fixes including single-move legality 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
b51308708b timing_opt: Debugging and integration 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
1b7214a18a timing_opt: Implement the BFS-based path optimisation 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
51a662d37e timing_opt: Implement critical path finder 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
cd9a65a84c timing_opt: Neigbour bel validity checking 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
2de506c071 timing_opt: Functions to calculate arc delay limits 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
83e3277577 timing_opt: Implement neighbour Bel finder 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
David Shah
9a42b64a68 timing: Add criticality calculation to timing analysis 
Signed-off-by: David Shah <dave@ds0.me>
 2018-12-06 10:53:01 +00:00
Miodrag Milanovic
a6315833d3 Renamed LogLevel members, to prevent issue with system defines on Windows 2018-12-05 19:58:38 +01:00
David Shah
90138fc120 rulecheck: Improve message printed at start 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-29 19:28:15 +00:00
Miodrag Milanovic
0b5748a7af Fix compile on GCC 5.5 or older 2018-11-27 19:20:15 +01:00
David Shah
4a44bc569a Print warning and error count at end of execution 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-26 19:14:38 +00:00
David Shah
0adc0d7529 timing: Improve clock constraint log output 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-26 18:56:10 +00:00
Sylvain Munaut
822b525035 placer1: During initial placement, don't rip-up strongly binded cells 
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2018-11-26 12:51:14 +01:00
David Shah
fe670cf3f6 clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-26 09:37:39 +00:00
David Shah
22ac41d627
Merge pull request #138 from YosysHQ/refactor_log 
Tidy up logging code, add log file support, make timing failures non-fatal errors
 2018-11-26 09:37:07 +00:00
David Shah
98858fe611
Merge pull request #139 from YosysHQ/fix_117 
router1: Fix unrouted, undriven nets
 2018-11-26 09:36:58 +00:00
David Shah
b035cb9fcf Add nonfatal error support and use for timing failures 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-26 09:22:42 +00:00
David Shah
65a5d05952 python: Fixes to get net wires map working 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-22 13:42:20 +00:00
David Shah
e48c9e73e7 python: Add wrapper for vectors to allow Python access to net.users 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-22 12:35:07 +00:00
David Shah
1731590160
Merge pull request #122 from YosysHQ/ecp5_timing 
ecp5: Use cell and pip timings from the Trellis database
 2018-11-22 11:55:25 +00:00
David Shah
8471d4249c router1: Fix unrouted, undriven nets 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-21 17:23:20 +00:00
David Shah
51d1363dfe Change the log level of some timing-related messages 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-21 17:13:53 +00:00
David Shah
b550791d92 Refactor log code and add log file support 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-21 17:08:45 +00:00
Clifford Wolf
b5d518583e Add missing router1 ctx->yield() calls 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2018-11-20 18:58:15 +01:00
David Shah
0fb7735e45
Merge pull request #130 from smunaut/issue_127 
common/placer1: In random pick, only use grid if there is more than 64 BELs
 2018-11-20 10:11:21 +00:00
Maik Merten
e167043e73 add "randomize-seed" command-line option 2018-11-19 19:45:12 +01:00
Sylvain Munaut
d6fd0e7e5b common/placer1: In random pick, only use grid if there is more than 64 BELs 
If you have a large grid and very few BELs of a given type, picking a
random grid location yields very little odds of finding a BEL of that
type.

So for those, just put all of them at (0,0) and do a true random pick.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
 2018-11-19 18:52:40 +01:00
David Shah
72b53016c0 timing: Improve crit path statistics 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-16 16:24:06 +00:00
David Shah
1ae722272a ecp5: clangformat timing changes 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-16 13:27:03 +00:00
David Shah
50b85da619 ecp5: Use speed-grade-specific delay estimate 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-16 13:26:28 +00:00
David Shah
13244e513b ecp5: Fix db import, improve timing data debugging 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-16 13:26:28 +00:00
David Shah
9c52afcf5f clangformat 
Signed-off-by: David Shah <dave@ds0.me>
 2018-11-16 13:25:51 +00:00
Eddie Hung
e1d2c595a1 Improve message spacing 2018-11-14 18:27:43 -08:00
Eddie Hung
06ddb632d1 Merge remote-tracking branch 'origin/master' into timingapi 2018-11-14 17:59:21 -08:00
David Shah
adc50a207f Timing fixes 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-11-14 08:46:10 +00:00
Eddie Hung
df2622d300 [placer1] Only perform slack redist if legalised 2018-11-13 16:33:01 -08:00
Eddie Hung
1b93107843 [placer1] Only increase temperature if legaliser moved something 2018-11-13 16:33:01 -08:00
Eddie Hung
cab91b035b [common] Fix 'after after' 2018-11-13 16:33:01 -08:00
Eddie Hung
6527e3b6ae [common] Fix typo in Loc::operator!=() 2018-11-13 16:33:01 -08:00