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BenchmarkTiming.md

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Timing Comparison Between pre-logic cutting and post-logic cutting.

  • "PreLC" means pre-logic cutting. (before the break_timing_path.tcl)
  • "PostLC" means post-logic cutting. (after the break_timing_path.tcl)
  • Note that all timing results were measured using OpenSTA with PrePlace engine. We followed the commercial tool's PrePlace timing convention. (e.g., ignoring timing paths for every net where fanout is >= 100).
Design (PDK / Academic Bookshelf) PreLC Effective Clock Periods (ns) PreLC # Stage on the Worst Timing Path PostLC Effective Clock Periods (ns) PostLC # Stage on the Worst Timing Path
asap7/DAC2012_superblue11 70.47 2497 2.37 27
asap7/DAC2012_superblue12 3.91 141 3.11 20
asap7/DAC2012_superblue14 16.76 450 2.78 26
asap7/DAC2012_superblue16 4.72 144 1.31 21
asap7/DAC2012_superblue19 7.25 279 1.79 18
asap7/DAC2012_superblue2 8.55 327 2.47 11
asap7/DAC2012_superblue3 13.28 495 1.89 24
asap7/DAC2012_superblue5 7.26 271 2.62 26
asap7/DAC2012_superblue6 7.18 267 2.67 26
asap7/DAC2012_superblue7 5.42 211 2.87 10
asap7/DAC2012_superblue9 8.14 308 2.05 82
asap7/ISPD2006_adaptec1 42.71 1070 1.36 27
asap7/ISPD2006_adaptec2 68.83 2412 1.54 27
asap7/ISPD2006_adaptec3 498.73 16255 2.16 27
asap7/ISPD2006_adaptec4 405.11 13884 1.34 27
asap7/ISPD2006_adaptec5 1005.98 31906 2.04 26
asap7/ISPD2006_bigblue1 175.31 5939 1.33 27
asap7/ISPD2006_bigblue2 148.37 4315 1.69 25
asap7/ISPD2006_bigblue3 85.4 3174 1.49 27
asap7/ISPD2006_bigblue4 540.97 15045 4.45 77
asap7/ISPD2006_newblue1 67.88 2953 1.19 26
asap7/ISPD2006_newblue2 418.63 11588 1.52 27
asap7/ISPD2006_newblue3 44.95 1213 1.66 20
asap7/ISPD2006_newblue4 355.09 11178 1.37 27
asap7/ISPD2006_newblue5 45.6 1504 1.56 26
asap7/ISPD2006_newblue6 461.99 13655 1.83 27
asap7/ISPD2006_newblue7 279.39 8253 1.96 27
asap7/ISPD2011_superblue10 8.47 268 2.57 25
asap7/ISPD2011_superblue12 3.91 141 3.11 20
asap7/ISPD2011_superblue15 2.44 27 2.37 29
asap7/ISPD2011_superblue18 5.72 189 2.72 16
asap7/ISPD2011_superblue1 8.11 302 1.87 28
asap7/ISPD2011_superblue2 8.55 327 2.47 11
asap7/ISPD2011_superblue4 21.68 533 1.74 14
asap7/ISPD2011_superblue5 7.26 271 2.62 26
ng45/DAC2012_superblue11 117.2 2482 10.97 28
ng45/DAC2012_superblue12 8.72 141 3.08 14
ng45/DAC2012_superblue14 66.19 440 4.52 19
ng45/DAC2012_superblue16 11.29 143 2.38 27
ng45/DAC2012_superblue19 13.98 279 3.91 17
ng45/DAC2012_superblue2 16.7 325 4.2 23
ng45/DAC2012_superblue3 24.22 485 4.36 26
ng45/DAC2012_superblue5 29.88 447 4.94 19
ng45/DAC2012_superblue6 45.35 879 6.75 12
ng45/DAC2012_superblue7 10.3 208 4.58 8
ng45/DAC2012_superblue9 16.05 320 3.31 23
ng45/ISPD2006_adaptec1 53.06 847 2.34 26
ng45/ISPD2006_adaptec2 180.77 3408 2.41 26
ng45/ISPD2006_adaptec3 188.48 3942 2.39 26
ng45/ISPD2006_adaptec4 270.59 5447 2.37 27
ng45/ISPD2006_adaptec5 364.15 6731 2.92 24
ng45/ISPD2006_bigblue1 243.91 4128 2.37 25
ng45/ISPD2006_bigblue2 297.02 4312 2.61 26
ng45/ISPD2006_bigblue3 843.3 16991 3 26
ng45/ISPD2006_bigblue4 944.62 16728 3.07 26
ng45/ISPD2006_newblue1 166.28 3787 2.58 26
ng45/ISPD2006_newblue2 842.98 15361 2.33 26
ng45/ISPD2006_newblue3 128.47 2443 2.41 26
ng45/ISPD2006_newblue4 600.24 12320 2.61 25
ng45/ISPD2006_newblue5 59.16 1152 3.13 26
ng45/ISPD2006_newblue6 274.1 5142 2.74 26
ng45/ISPD2006_newblue7 555.64 9820 2.6 26
ng45/ISPD2011_superblue10 19.48 267 3.23 24
ng45/ISPD2011_superblue12 8.72 141 3.08 14
ng45/ISPD2011_superblue15 13.08 105 7.53 23
ng45/ISPD2011_superblue18 12.98 187 4.05 7
ng45/ISPD2011_superblue1 15.74 308 3.77 18
ng45/ISPD2011_superblue2 16.7 325 4.2 23
ng45/ISPD2011_superblue4 87.03 513 7.31 14
ng45/ISPD2011_superblue5 29.88 447 4.94 19
sky130hd/DAC2012_superblue11 478.38 2473 27.47 22
sky130hd/DAC2012_superblue12 30.99 139 18.11 21
sky130hd/DAC2012_superblue14 126.27 447 17.24 38
sky130hd/DAC2012_superblue16 39.39 144 8.78 20
sky130hd/DAC2012_superblue19 55.55 272 13.79 16
sky130hd/DAC2012_superblue2 66.27 327 13.87 23
sky130hd/DAC2012_superblue3 82.78 490 15.01 24
sky130hd/DAC2012_superblue5 88.15 453 18.91 21
sky130hd/DAC2012_superblue6 161.58 875 12.91 24
sky130hd/DAC2012_superblue7 41.13 209 21.56 10
sky130hd/DAC2012_superblue9 62.78 319 17.18 26
sky130hd/ISPD2006_adaptec1 168.27 846 9.94 26
sky130hd/ISPD2006_adaptec2 524.11 3401 7.99 27
sky130hd/ISPD2006_adaptec3 667.84 3913 10.76 26
sky130hd/ISPD2006_adaptec4 876.87 5422 10.12 26
sky130hd/ISPD2006_adaptec5 1318.44 6712 12.98 26
sky130hd/ISPD2006_bigblue1 734.37 4108 10.47 24
sky130hd/ISPD2006_bigblue2 1269.62 4304 12.14 22
sky130hd/ISPD2006_bigblue3 2870.04 16870 10.08 26
sky130hd/ISPD2006_bigblue4 3370.62 16582 15.09 26
sky130hd/ISPD2006_newblue1 492.84 3776 8.57 25
sky130hd/ISPD2006_newblue2 2853.07 15276 12.51 26
sky130hd/ISPD2006_newblue3 419.11 2413 9.6 25
sky130hd/ISPD2006_newblue4 2029.4 10320 9.93 26
sky130hd/ISPD2006_newblue5 215.79 1152 13.22 26
sky130hd/ISPD2006_newblue6 878.14 5107 15.84 26
sky130hd/ISPD2006_newblue7 1806.75 9804 11.62 26
sky130hd/ISPD2011_superblue10 70.83 267 10.64 23
sky130hd/ISPD2011_superblue12 30.99 139 18.11 21
sky130hd/ISPD2011_superblue15 35.43 104 18.52 24
sky130hd/ISPD2011_superblue18 51.89 188 15.17 6
sky130hd/ISPD2011_superblue1 61.99 306 12.05 27
sky130hd/ISPD2011_superblue2 66.27 327 13.87 23
sky130hd/ISPD2011_superblue4 194.99 523 29.55 19
sky130hd/ISPD2011_superblue5 88.15 453 18.91 21
sky130hs/DAC2012_superblue11 369.53 2480 11.22 26
sky130hs/DAC2012_superblue12 27.89 140 8.79 37
sky130hs/DAC2012_superblue14 84.45 449 11.76 36
sky130hs/DAC2012_superblue16 32.65 144 6.84 27
sky130hs/DAC2012_superblue19 48.25 275 13.39 13
sky130hs/DAC2012_superblue2 58.05 327 10.12 18
sky130hs/DAC2012_superblue3 59.38 495 8.39 20
sky130hs/DAC2012_superblue5 60.57 452 17.53 13
sky130hs/DAC2012_superblue6 117.18 862 11.61 23
sky130hs/DAC2012_superblue7 35.69 210 16.19 10
sky130hs/DAC2012_superblue9 55.25 319 10.98 16
sky130hs/ISPD2006_adaptec1 144.14 846 8.16 26
sky130hs/ISPD2006_adaptec2 419.71 3400 6.31 25
sky130hs/ISPD2006_adaptec3 545.85 3925 9.27 26
sky130hs/ISPD2006_adaptec4 704.69 5419 8.44 26
sky130hs/ISPD2006_adaptec5 1010.99 6682 9.13 26
sky130hs/ISPD2006_bigblue1 597.81 4098 7.87 26
sky130hs/ISPD2006_bigblue2 866.63 4314 10.02 26
sky130hs/ISPD2006_bigblue3 2266.2 16801 8.87 26
sky130hs/ISPD2006_bigblue4 2579.79 16625 9.87 26
sky130hs/ISPD2006_newblue1 388.33 3800 7.57 22
sky130hs/ISPD2006_newblue2 2149.87 15200 8.74 26
sky130hs/ISPD2006_newblue3 411.92 2387 8.99 26
sky130hs/ISPD2006_newblue4 1646.6 10340 7.39 26
sky130hs/ISPD2006_newblue5 150.39 1136 8.73 26
sky130hs/ISPD2006_newblue6 715.32 5057 10.7 26
sky130hs/ISPD2006_newblue7 1425.84 9694 9.72 26
sky130hs/ISPD2011_superblue10 64.98 266 9.22 26
sky130hs/ISPD2011_superblue12 27.89 140 8.79 37
sky130hs/ISPD2011_superblue15 24.16 122 9.86 19
sky130hs/ISPD2011_superblue18 45.84 187 10.88 6
sky130hs/ISPD2011_superblue1 54.78 307 8.8 31
sky130hs/ISPD2011_superblue2 58.05 327 10.12 18
sky130hs/ISPD2011_superblue4 88.29 546 10.86 23
sky130hs/ISPD2011_superblue5 60.57 452 17.53 13