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mistral: rework delay estimate (#1161)

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Lofty 2023-05-22 12:01:20 +01:00 committed by GitHub
parent 7dafd4da58
commit 7912a61ce3
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1 changed files with 2 additions and 2 deletions
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mistral/delay.cc
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@ -414,7 +414,7 @@ delay_t Arch::predictDelay(BelId src_bel, IdString src_pin, BelId dst_bel, IdStr
Loc dst_loc = getBelLocation(dst_bel); Loc dst_loc = getBelLocation(dst_bel);
int x_diff = std::abs(dst_loc.x - src_loc.x); int x_diff = std::abs(dst_loc.x - src_loc.x);
int y_diff = std::abs(dst_loc.y - src_loc.y); int y_diff = std::abs(dst_loc.y - src_loc.y);
return 43 * x_diff + 114 * y_diff + 470; return 75 * x_diff + 200 * y_diff;
} }
delay_t Arch::estimateDelay(WireId src, WireId dst) const delay_t Arch::estimateDelay(WireId src, WireId dst) const
@ -425,7 +425,7 @@ delay_t Arch::estimateDelay(WireId src, WireId dst) const
int y1 = CycloneV::rn2y(dst.node); int y1 = CycloneV::rn2y(dst.node);
int x_diff = std::abs(x1 - x0); int x_diff = std::abs(x1 - x0);
int y_diff = std::abs(y1 - y0); int y_diff = std::abs(y1 - y0);
return 43 * x_diff + 114 * y_diff + 470; return 75 * x_diff + 200 * y_diff;
} }
NEXTPNR_NAMESPACE_END NEXTPNR_NAMESPACE_END