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rsz: Buffering and sizing improvements #6564

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rsz: Buffering and sizing improvements #6564

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7422734
rsz: Factor out `areCellsSwappable`
povik Dec 9, 2024
7868c5c
rsz: Decouple resize to target slew from violation repair
povik Dec 9, 2024
ae6e4d8
rsz: Fix tidy warnings
povik Dec 9, 2024
cb30344
rsz: Account for margin in driver slew repair
povik Dec 9, 2024
e18f9b9
rsz: Pre-select buffers for gain buffering
povik Nov 5, 2024
6902eda
rsz: Use pre-selected buffers for rebuffering too
povik Nov 6, 2024
1256f39
rsz: Use fo4 on largest gate size to decide buffering need
povik Nov 6, 2024
6eea2d0
rsz: Apply gain-buffering to top inputs too
povik Nov 11, 2024
dad1cd4
rsz: Move to 'cap ratio' sizing and fix buffering
povik Nov 23, 2024
7e396b4
rsz: Move early sizing up front in `repair_design`
povik Jan 14, 2025
6f2afb7
rsz: Size buffers using higher cap ratio
povik Jan 18, 2025
d3c137c
rsz: Format
povik Jan 21, 2025
287d290
rsz: Update tests
povik Jan 21, 2025
5a18cf3
rsz: Rm commented-out target slew calls
povik Jan 21, 2025
f947840
rsz: Tidy
povik Jan 23, 2025
1b42e5e
rsz: Update tests
povik Jan 23, 2025
a36b2c3
Merge remote-tracking branch 'origin/master' into rsz-gain-buffer-cha…
povik Jan 23, 2025
a119c47
gpl: Update tests for resizer changes
povik Jan 23, 2025
bc21f9d
rsz: Add 'report_fast_buffer_sizes' debugging command
povik Jan 23, 2025
02fa259
gpl: Update test for resizer change
povik Jan 28, 2025
7944b04
Merge branch 'master' into rsz-gain-buffer-changes
povik Feb 18, 2025
acf0c1b
rsz, gpl: Update tests after merge
povik Feb 18, 2025
b1679cc
Merge branch 'master' into rsz-gain-buffer-changes
povik Feb 24, 2025
2920ae5
rsz, gpl: Update tests after merge
povik Feb 24, 2025
8f86f45
test: Update flow limits
povik Feb 24, 2025
94f32d1
Merge branch 'master' into rsz-gain-buffer-changes
povik Feb 24, 2025
0f9e2e1
rsz, gpl: Update tests after merge
povik Feb 24, 2025
676e14f
rsz, gpl: Fix "differences found" in test output
povik Feb 24, 2025
37604ab
rsz: Fix merge lossage
povik Feb 27, 2025
9db74ed
Merge branch 'master' into rsz-gain-buffer-changes
povik Feb 27, 2025
3d63a75
rsz: Remove `areCellsSwappable` after upstream changes
povik Feb 27, 2025
e8a39a0
rsz, gpl, test: Update tests after merge
povik Feb 27, 2025
1de0470
rsz: Remove hard-coded max_fanout
povik Feb 27, 2025
6a3d8dd
rsz: Incorporate review
povik Mar 4, 2025
971ae43
rsz: Go back to including original size in swappable list
povik Mar 4, 2025
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130 changes: 65 additions & 65 deletions src/gpl/test/convergence01.defok
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Original file line number Diff line number Diff line change
Expand Up @@ -160,71 +160,71 @@ COMPONENTS 145 ;
- PHY_79 TAPCELL_ASAP7_75t_R + SOURCE DIST + FIXED ( 11394 11070 ) S ;
- PHY_8 TAPCELL_ASAP7_75t_R + SOURCE DIST + FIXED ( 486 1620 ) N ;
- PHY_9 TAPCELL_ASAP7_75t_R + SOURCE DIST + FIXED ( 11394 1620 ) FN ;
- _33_ INVx3_ASAP7_75t_R + PLACED ( 4075 5663 ) N ;
- _34_ INVx3_ASAP7_75t_R + PLACED ( 7307 7219 ) N ;
- _35_ INVx3_ASAP7_75t_R + PLACED ( 7547 4689 ) N ;
- _36_ INVx3_ASAP7_75t_R + PLACED ( 4981 4421 ) N ;
- _37_ INVx3_ASAP7_75t_R + PLACED ( 7495 4651 ) N ;
- _38_ INVx3_ASAP7_75t_R + PLACED ( 4923 4581 ) N ;
- _39_ INVx3_ASAP7_75t_R + PLACED ( 4632 5953 ) N ;
- _40_ INVx3_ASAP7_75t_R + PLACED ( 7594 4721 ) N ;
- _41_ INVx3_ASAP7_75t_R + PLACED ( 7659 4691 ) N ;
- _42_ INVx3_ASAP7_75t_R + PLACED ( 4952 4498 ) N ;
- _43_ INVx3_ASAP7_75t_R + PLACED ( 7379 4442 ) N ;
- _44_ INVx3_ASAP7_75t_R + PLACED ( 5843 7119 ) N ;
- _45_ INVx3_ASAP7_75t_R + PLACED ( 7527 4672 ) N ;
- _46_ INVx3_ASAP7_75t_R + PLACED ( 7689 7185 ) N ;
- _47_ INVx2_ASAP7_75t_R + PLACED ( 5252 7328 ) N ;
- _48_ INVx2_ASAP7_75t_R + PLACED ( 4997 7364 ) N ;
- _49_ INVx2_ASAP7_75t_R + PLACED ( 5444 7337 ) N ;
- _50_ INVx2_ASAP7_75t_R + PLACED ( 4839 6539 ) N ;
- _51_ INVx2_ASAP7_75t_R + PLACED ( 4808 7271 ) N ;
- _52_ INVx2_ASAP7_75t_R + PLACED ( 5782 7349 ) N ;
- _53_ INVx2_ASAP7_75t_R + PLACED ( 4810 7281 ) N ;
- _54_ INVx2_ASAP7_75t_R + PLACED ( 4874 7294 ) N ;
- _55_ INVx3_ASAP7_75t_R + PLACED ( 7297 7318 ) N ;
- _56_ INVx2_ASAP7_75t_R + PLACED ( 5022 4490 ) N ;
- _57_ INVx2_ASAP7_75t_R + PLACED ( 5894 4307 ) N ;
- _58_ INVx2_ASAP7_75t_R + PLACED ( 5102 4654 ) N ;
- _59_ INVx3_ASAP7_75t_R + PLACED ( 7289 7319 ) N ;
- _60_ INVx2_ASAP7_75t_R + PLACED ( 4874 4329 ) N ;
- _61_ INVx2_ASAP7_75t_R + PLACED ( 4974 4250 ) N ;
- _62_ INVx2_ASAP7_75t_R + PLACED ( 4983 7461 ) N ;
- _63_ INVx3_ASAP7_75t_R + PLACED ( 7411 7150 ) N ;
- _64_ INVx3_ASAP7_75t_R + PLACED ( 7522 4666 ) N ;
- _65_ INVx3_ASAP7_75t_R + PLACED ( 7445 4588 ) N ;
- _66_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6443 4595 ) N ;
- _67_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6517 4671 ) N ;
- _68_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6416 7145 ) N ;
- _69_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3997 7440 ) N ;
- _70_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3992 4273 ) N ;
- _71_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3897 4345 ) N ;
- _72_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6298 7306 ) N ;
- _73_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4115 4656 ) N ;
- _74_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4901 4323 ) N ;
- _75_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4037 4497 ) N ;
- _76_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6307 7305 ) N ;
- _77_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3893 7284 ) N ;
- _78_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3831 7273 ) N ;
- _79_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4792 7337 ) N ;
- _80_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3829 7262 ) N ;
- _81_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3858 6542 ) N ;
- _82_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4449 7325 ) N ;
- _83_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4009 7350 ) N ;
- _84_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4259 7317 ) N ;
- _85_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6676 7179 ) N ;
- _86_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6521 4676 ) N ;
- _87_ DFFLQNx1_ASAP7_75t_R + PLACED ( 5074 7453 ) N ;
- _88_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6381 4454 ) N ;
- _89_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3972 4509 ) N ;
- _90_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6646 4695 ) N ;
- _91_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6583 4723 ) N ;
- _92_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3665 5954 ) N ;
- _93_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3946 4588 ) N ;
- _94_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6491 4656 ) N ;
- _95_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3998 4431 ) N ;
- _96_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6539 4694 ) N ;
- _97_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6317 7211 ) N ;
- _33_ INVx3_ASAP7_75t_R + PLACED ( 4484 10071 ) N ;
- _34_ INVxp33_ASAP7_75t_R + PLACED ( 5517 7583 ) N ;
- _35_ INVxp33_ASAP7_75t_R + PLACED ( 5696 6964 ) N ;
- _36_ INVxp33_ASAP7_75t_R + PLACED ( 5582 7094 ) N ;
- _37_ INVxp33_ASAP7_75t_R + PLACED ( 5057 7757 ) N ;
- _38_ INVxp33_ASAP7_75t_R + PLACED ( 6340 7064 ) N ;
- _39_ INVxp33_ASAP7_75t_R + PLACED ( 8351 4866 ) N ;
- _40_ INVxp33_ASAP7_75t_R + PLACED ( 8283 5867 ) N ;
- _41_ INVxp33_ASAP7_75t_R + PLACED ( 8389 5774 ) N ;
- _42_ INVxp33_ASAP7_75t_R + PLACED ( 7162 5644 ) N ;
- _43_ INVxp33_ASAP7_75t_R + PLACED ( 8129 4692 ) N ;
- _44_ INVxp33_ASAP7_75t_R + PLACED ( 8098 5340 ) N ;
- _45_ INVxp33_ASAP7_75t_R + PLACED ( 7927 5435 ) N ;
- _46_ INVxp33_ASAP7_75t_R + PLACED ( 7391 4809 ) N ;
- _47_ INVxp33_ASAP7_75t_R + PLACED ( 2416 1359 ) N ;
- _48_ INVxp33_ASAP7_75t_R + PLACED ( 2492 1359 ) N ;
- _49_ INVxp33_ASAP7_75t_R + PLACED ( 2694 1359 ) N ;
- _50_ INVxp33_ASAP7_75t_R + PLACED ( 3068 1359 ) N ;
- _51_ INVxp33_ASAP7_75t_R + PLACED ( 2443 1361 ) N ;
- _52_ INVxp33_ASAP7_75t_R + PLACED ( 2685 1359 ) N ;
- _53_ INVxp33_ASAP7_75t_R + PLACED ( 2939 1359 ) N ;
- _54_ INVxp33_ASAP7_75t_R + PLACED ( 3064 1359 ) N ;
- _55_ INVxp33_ASAP7_75t_R + PLACED ( 3591 2403 ) N ;
- _56_ INVxp33_ASAP7_75t_R + PLACED ( 1974 3950 ) N ;
- _57_ INVxp33_ASAP7_75t_R + PLACED ( 3055 3625 ) N ;
- _58_ INVxp33_ASAP7_75t_R + PLACED ( 2803 3710 ) N ;
- _59_ INVxp33_ASAP7_75t_R + PLACED ( 3176 3190 ) N ;
- _60_ INVxp33_ASAP7_75t_R + PLACED ( 2371 3716 ) N ;
- _61_ INVxp33_ASAP7_75t_R + PLACED ( 2270 3018 ) N ;
- _62_ INVxp33_ASAP7_75t_R + PLACED ( 1367 3320 ) N ;
- _63_ INVxp33_ASAP7_75t_R + PLACED ( 5347 7907 ) N ;
- _64_ INVxp33_ASAP7_75t_R + PLACED ( 6941 6661 ) N ;
- _65_ INVxp33_ASAP7_75t_R + PLACED ( 5640 6874 ) N ;
- _66_ DFFLQNx1_ASAP7_75t_R + PLACED ( 5503 6197 ) N ;
- _67_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6672 5200 ) N ;
- _68_ DFFLQNx1_ASAP7_75t_R + PLACED ( 5051 5378 ) N ;
- _69_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3182 1646 ) N ;
- _70_ DFFLQNx1_ASAP7_75t_R + PLACED ( 2759 2240 ) N ;
- _71_ DFFLQNx1_ASAP7_75t_R + PLACED ( 2856 1376 ) N ;
- _72_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3522 1832 ) N ;
- _73_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3399 2095 ) N ;
- _74_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3247 2683 ) N ;
- _75_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3003 1432 ) N ;
- _76_ DFFLQNx1_ASAP7_75t_R + PLACED ( 3848 1412 ) N ;
- _77_ DFFLQNx1_ASAP7_75t_R + PLACED ( 1219 2000 ) N ;
- _78_ DFFLQNx1_ASAP7_75t_R + PLACED ( 1019 2007 ) N ;
- _79_ DFFLQNx1_ASAP7_75t_R + PLACED ( 941 1811 ) N ;
- _80_ DFFLQNx1_ASAP7_75t_R + PLACED ( 919 2608 ) N ;
- _81_ DFFLQNx1_ASAP7_75t_R + PLACED ( 965 3138 ) N ;
- _82_ DFFLQNx1_ASAP7_75t_R + PLACED ( 919 1855 ) N ;
- _83_ DFFLQNx1_ASAP7_75t_R + PLACED ( 919 2838 ) N ;
- _84_ DFFLQNx1_ASAP7_75t_R + PLACED ( 919 1865 ) N ;
- _85_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4193 5944 ) N ;
- _86_ DFFLQNx1_ASAP7_75t_R + PLACED ( 5705 6183 ) N ;
- _87_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4104 7666 ) N ;
- _88_ DFFLQNx1_ASAP7_75t_R + PLACED ( 5521 6128 ) N ;
- _89_ DFFLQNx1_ASAP7_75t_R + PLACED ( 5488 6869 ) N ;
- _90_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4280 6532 ) N ;
- _91_ DFFLQNx1_ASAP7_75t_R + PLACED ( 4201 6557 ) N ;
- _92_ DFFLQNx1_ASAP7_75t_R + PLACED ( 5446 7611 ) N ;
- _93_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6387 5683 ) N ;
- _94_ DFFLQNx1_ASAP7_75t_R + PLACED ( 5559 6592 ) N ;
- _95_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6683 4845 ) N ;
- _96_ DFFLQNx1_ASAP7_75t_R + PLACED ( 6311 5447 ) N ;
- _97_ DFFLQNx1_ASAP7_75t_R + PLACED ( 5270 5142 ) N ;
END COMPONENTS
PINS 65 ;
- clock + NET clock + DIRECTION INPUT + USE SIGNAL
Expand Down
38 changes: 8 additions & 30 deletions src/gpl/test/convergence01.ok
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Original file line number Diff line number Diff line change
Expand Up @@ -54,40 +54,18 @@
Iteration | Area | Resized | Buffers | Nets repaired | Remaining
---------------------------------------------------------------------
0 | +0.0% | 0 | 0 | 0 | 98
<<<<<<< HEAD
final | -79.5% | 32 | 0 | 0 | 0
=======
final | -1.7% | 14 | 0 | 0 | 0
>>>>>>> master
---------------------------------------------------------------------
[INFO RSZ-0039] Resized 14 instances.
[INFO RSZ-0039] Resized 32 instances.
[INFO GPL-0106] Timing-driven: worst slack 6.35e-09
[INFO GPL-0103] Timing-driven: weighted 4 nets.
[INFO GPL-0107] Timing-driven: repair_design delta area: -1.021 um^2 (-6.57%)
[INFO GPL-0107] Timing-driven: repair_design delta area: -2.799 um^2 (-18.03%)
[INFO GPL-0108] Timing-driven: repair_design, gpl cells created: 0 (+0.00%)
[INFO GPL-0109] Timing-driven: inserted buffers as reported by repair_design: 0
[INFO GPL-0110] Timing-driven: new target density: 0.49125
[NesterovSolve] Iter: 10 overflow: 0.379 HPWL: 13036
[NesterovSolve] Iter: 20 overflow: 0.522 HPWL: 6251
[NesterovSolve] Iter: 30 overflow: 0.726 HPWL: 1966
[NesterovSolve] Iter: 40 overflow: 0.710 HPWL: 2056
[NesterovSolve] Iter: 50 overflow: 0.745 HPWL: 759
[NesterovSolve] Iter: 60 overflow: 0.743 HPWL: 1255
[NesterovSolve] Iter: 70 overflow: 0.745 HPWL: 741
[NesterovSolve] Iter: 80 overflow: 0.743 HPWL: 933
[NesterovSolve] Iter: 90 overflow: 0.739 HPWL: 848
[NesterovSolve] Iter: 100 overflow: 0.729 HPWL: 841
[NesterovSolve] Iter: 110 overflow: 0.719 HPWL: 683
[NesterovSolve] Iter: 120 overflow: 0.697 HPWL: 693
[NesterovSolve] Iter: 130 overflow: 0.693 HPWL: 807
[NesterovSolve] Iter: 140 overflow: 0.700 HPWL: 982
[NesterovSolve] Iter: 150 overflow: 0.684 HPWL: 1389
[NesterovSolve] Iter: 160 overflow: 0.630 HPWL: 2178
[NesterovSolve] Iter: 170 overflow: 0.521 HPWL: 3636
[NesterovSolve] Iter: 180 overflow: 0.505 HPWL: 3978
[NesterovSolve] Iter: 190 overflow: 0.500 HPWL: 4651
[NesterovSolve] Iter: 200 overflow: 0.460 HPWL: 6865
[NesterovSolve] Iter: 210 overflow: 0.429 HPWL: 7570
[NesterovSolve] Iter: 220 overflow: 0.335 HPWL: 7626
[NesterovSolve] Iter: 230 overflow: 0.312 HPWL: 7462
[NesterovSolve] Iter: 240 overflow: 0.239 HPWL: 7418
[NesterovSolve] Iter: 250 overflow: 0.199 HPWL: 7411
[NesterovSolve] Iter: 260 overflow: 0.106 HPWL: 7276
[NesterovSolve] Finished with Overflow: 0.098768
[INFO GPL-0110] Timing-driven: new target density: 0.476
[NesterovSolve] Finished with Overflow: 0.093288
No differences found.
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