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90 Commits

Author SHA1 Message Date
David Shah
3e11ba8afb timing: Remove unused variable 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-08 17:55:54 +02:00
David Shah
8e593fb471 timing: Update to use getDelayNS 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-08 17:54:25 +02:00
Eddie Hung
03575a2a7a One more breadcrumb 2018-08-08 08:32:17 -07:00
Eddie Hung
91023d2a0e Leave comment behind about removing false paths 2018-08-08 08:31:08 -07:00
David Shah
90e3db324e clangformat 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-08 17:07:20 +02:00
Eddie Hung
936b52eafc Unfurl comments for clangformat 2018-08-08 08:01:24 -07:00
Eddie Hung
fca01f5447 Also include TMG_GEN_CLOCK as a timing startpoint 2018-08-08 07:49:07 -07:00
David Shah
d173ddba36 timing: Debugging implementation of new timing API 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-08 15:15:21 +02:00
David Shah
d8b3830031 timing: Update to new use API (currently broken) 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-08 14:58:43 +02:00
Eddie Hung
a1d626469f Cleanup nesting 2018-08-06 19:53:42 -07:00
Eddie Hung
676500b83f Do less work if update flag is false 2018-08-06 17:42:44 -07:00
Eddie Hung
f44a5fb904 clangformat 2018-08-06 17:35:23 -07:00
Eddie Hung
483f863106 Also add PLL outputs as timing startpoints 2018-08-06 17:20:29 -07:00
Eddie Hung
f3e46df709 Remove old timing code 2018-08-06 16:09:17 -07:00
Eddie Hung
06584f2e74 Compute critical path report 2018-08-06 14:14:41 -07:00
Eddie Hung
519b755acb Add comments 2018-08-06 13:12:24 -07:00
Eddie Hung
1b9a664bb1 Merge branch 'master' into assign_budget_speedup 2018-08-06 12:30:24 -07:00
David Shah
4f79b32c96
Merge pull request #39 from eddiehung/slack_histogram 
Improve slack histogram clarity
 2018-08-06 21:26:09 +02:00
Eddie Hung
95163ae1d0 Add name to copyright header 2018-08-06 12:14:00 -07:00
Eddie Hung
daedf73291 Use new Arch::isIOCell() function in Timing 2018-08-06 12:12:03 -07:00
Eddie Hung
3f5c0373a5 Consider clocked cells with COUT, consider constant nets 2018-08-06 12:03:58 -07:00
Eddie Hung
266b761f41 Merge branch 'fix_budget_overrides' into assign_budget_speedup 
Conflicts:
	common/timing.cc
 2018-08-06 09:02:49 -07:00
Eddie Hung
8e8ba0293c Fix use of getBudgetOverride in Timing::follow_net() 2018-08-06 08:34:37 -07:00
Eddie Hung
665202e936 Merge branch 'assign_budget_evenly' into assign_budget_speedup 
Conflicts:
	common/timing.cc
 2018-08-06 07:35:00 -07:00
Eddie Hung
dc685f2061 Enhance slack histogram with '+' to indicate less-than-granularity 2018-08-06 07:29:42 -07:00
Eddie Hung
2fb934b107 clangformat 2018-08-06 07:19:32 -07:00
Eddie Hung
fa773c3ce9 Add net_delays bool to Timing class to control net delay consideration 2018-08-06 07:18:06 -07:00
Eddie Hung
9b414594d2 Unless slack_redist is enabled, ignore net delays so that budget gets evenly divided between all nets on path 2018-08-05 23:00:15 -07:00
Eddie Hung
e314ea761a WIP for new assign_budget() using topographical ordering 2018-08-05 22:38:54 -07:00
David Shah
b3acd8095f timing: Fix slack histogram segfault with no paths 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-05 16:36:35 +02:00
Eddie Hung
8974ef3327 Slack histogram to use ps granularity via int(Arch::getDelayNS() * 1000) 2018-08-04 18:55:03 -07:00
Eddie Hung
76a7d67f74 Revert "Be cognisant that delay_t could be a non-integer type (if so, truncate to integer)" 
This reverts commit b07f0eebc8.
 2018-08-04 18:54:23 -07:00
Eddie Hung
b07f0eebc8 Be cognisant that delay_t could be a non-integer type (if so, truncate to integer) 2018-08-04 18:47:42 -07:00
Eddie Hung
dced12cbd2 Merge branch 'master' into slack_histogram 
Conflicts:
	common/timing.cc
 2018-08-03 23:53:33 -07:00
Eddie Hung
45304d049f clangformat 2018-08-03 23:42:25 -07:00
Eddie Hung
be481cb130 Add crude histogram feature, printed after placement and routing 2018-08-03 23:39:42 -07:00
Eddie Hung
85a436198c Remove space 2018-08-03 22:39:55 -07:00
Eddie Hung
ecb264d002 Refactor timing.cc into Timing class 2018-08-03 22:39:25 -07:00
Eddie Hung
3d5dcda12c Auto frequency only if --freq 0 is set 2018-08-03 19:53:32 -07:00
David Shah
faf309c1fe timing: Fix timing analysis when no paths found (e.g. ecp5 with no cell timing info yet) 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-08-01 11:23:11 +02:00
Eddie Hung
92ec2cd138 clangformat for stuff I've touched 2018-07-31 20:57:36 -07:00
Eddie Hung
f646ec790a Modify the getNetinfo*() functions and getBudgetOverride() to not use 
user_idx and to take a PortRef& instead
 2018-07-31 19:31:54 -07:00
Eddie Hung
720e815865 Add --slack_redist_iter for ice40 2018-07-31 19:07:39 -07:00
Eddie Hung
2ee68bcb60 Update comment 2018-07-30 22:18:50 -07:00
Eddie Hung
46b7469652 Merge remote-tracking branch 'origin/master' into redist_slack 2018-07-30 18:14:40 -07:00
David Shah
b09183db3b Use DelayInfo for cell timing instead of delay_t 
Signed-off-by: David Shah <davey1576@gmail.com>
 2018-07-30 16:59:30 +02:00
Eddie Hung
9c45f762c8 Really do not overconstrain! 2018-07-29 18:16:49 -07:00
Eddie Hung
52cc146a67 Keep things simple by not overconstraining Fmax 2018-07-28 22:57:37 -07:00
Eddie Hung
beabb429b0 clangformat 2018-07-28 14:11:43 -07:00
Eddie Hung
de6d0d20d7 Merge update_budget into assign_budget; update as we go along 2018-07-28 14:10:48 -07:00