From a35c80cc10c69f88ceddee604ea29f172fbae1c0 Mon Sep 17 00:00:00 2001 From: gatecat Date: Wed, 20 Apr 2022 11:29:08 +0100 Subject: ecp5: Tweak delay prediction Signed-off-by: gatecat --- ecp5/arch.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ecp5/arch.cc b/ecp5/arch.cc index 50993e2b..d98ee54c 100644 --- a/ecp5/arch.cc +++ b/ecp5/arch.cc @@ -580,7 +580,7 @@ delay_t Arch::predictDelay(BelId src_bel, IdString src_pin, BelId dst_bel, IdStr int dx = abs(driver_loc.x - sink_loc.x), dy = abs(driver_loc.y - sink_loc.y); return (120 - 22 * args.speed) * - (6 + std::max(dx - 5, 0) + std::max(dy - 5, 0) + 2 * (std::min(dx, 5) + std::min(dy, 5))); + (3 + std::max(dx - 5, 0) + std::max(dy - 5, 0) + 2 * (std::min(dx, 5) + std::min(dy, 5))); } bool Arch::getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const -- cgit v1.2.3