From 5fe29922fd15af87cd260a561e88ac2e5b27203d Mon Sep 17 00:00:00 2001 From: David Shah Date: Sat, 18 Aug 2018 11:54:53 +0200 Subject: ecp5: Speedup router with slightly better estimates Signed-off-by: David Shah --- ecp5/arch.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'ecp5/arch.cc') diff --git a/ecp5/arch.cc b/ecp5/arch.cc index 4358fdaf..fec1011c 100644 --- a/ecp5/arch.cc +++ b/ecp5/arch.cc @@ -367,7 +367,7 @@ BelId Arch::getBelByLocation(Loc loc) const delay_t Arch::estimateDelay(WireId src, WireId dst) const { - return 200 * (abs(src.location.x - dst.location.x) + abs(src.location.y - dst.location.y)); + return 50 * (abs(src.location.x - dst.location.x) + abs(src.location.y - dst.location.y)); } delay_t Arch::predictDelay(const NetInfo *net_info, const PortRef &sink) const @@ -376,7 +376,7 @@ delay_t Arch::predictDelay(const NetInfo *net_info, const PortRef &sink) const auto driver_loc = getBelLocation(driver.cell->bel); auto sink_loc = getBelLocation(sink.cell->bel); - return 200 * (abs(driver_loc.x - sink_loc.x) + abs(driver_loc.y - sink_loc.y)); + return 50 * (abs(driver_loc.x - sink_loc.x) + abs(driver_loc.y - sink_loc.y)); } bool Arch::getBudgetOverride(const NetInfo *net_info, const PortRef &sink, delay_t &budget) const { return false; } -- cgit v1.2.3