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improved estimateDelay formula

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Lofty 2025-09-10 13:53:47 +01:00
parent b8d2372019
commit 33a91cb196
1 changed files with 10 additions and 0 deletions
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10
himbaechel/uarch/gatemate/delay.cc
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@ -33,6 +33,16 @@ delay_t GateMateImpl::estimateDelay(WireId src, WireId dst) const
tile_xy(ctx->chip_info, src.tile, sx, sy);
tile_xy(ctx->chip_info, dst.tile, dx, dy);
sx &= ~1;
sy &= ~1;
dx &= ~1;
dy &= ~1;
auto delta_x = float(std::abs(dx - sx));
auto delta_y = float(std::abs(dy - sy));
return delay_t(814.74908 + 34.7511573*delta_x + 48.5764437*delta_y - 0.235635034*delta_x*delta_x - 0.715346192*delta_y*delta_y);
return 100 + 100 * (std::abs(dx - sx) + std::abs(dy - sy));
}