From 506d5f9422f57642a78008b71fd0c0434154d648 Mon Sep 17 00:00:00 2001 From: Lofty Date: Thu, 9 Nov 2023 01:29:50 +0000 Subject: [PATCH] machxo2: less pessimistic delay prediction --- machxo2/arch.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/machxo2/arch.cc b/machxo2/arch.cc index f31de2a7..2a71c774 100644 --- a/machxo2/arch.cc +++ b/machxo2/arch.cc @@ -476,7 +476,7 @@ 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 (500 - 22 * device_speed) * + return (250 - 22 * device_speed) * (3 + std::max(dx - 5, 0) + std::max(dy - 5, 0) + 2 * (std::min(dx, 5) + std::min(dy, 5))); }