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Use a callable template param in DmpCeff #120

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Replaces std::function in DmpCeff.cc with a callable template param. Speeds up CTS in OpenROAD by about 1-3% on ORFS designs, up to 4% on some others. Also speeds up floorplanning by about 1%.

Ibex (asap7)

Branch Min [s] Max [s] Mean [s] Relative mean Median [s] Relative median
baseline 99.12 99.64 99.39 ± 0.16 102% 99.41 102%
optimized 97.62 98.25 97.95 ± 0.27 100% 97.85 100%

Ibex (nangate45)

Branch Min [s] Max [s] Mean [s] Relative mean Median [s] Relative median
baseline 350.64 369.86 363.37 ± 8.29 102% 367.68 103%
optimized 340.50 369.86 354.89 ± 8.17 100% 357.47 100%

black_parrot (nangate45)

Branch Min [s] Max [s] Mean [s] Relative mean Median [s] Relative median
baseline 175.57 177.48 176.66 ± 0.74 101% 176.73 101%
optimized 171.77 176.99 175.21 ± 1.99 100% 175.76 100%

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@kbieganski kbieganski force-pushed the dcalc-lambda-template branch from 3fc1f3d to aa5b0bb Compare November 14, 2024 14:06
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3 participants