From 95a85c8ea76cdd0a1c5824200451569366c9eb8c Mon Sep 17 00:00:00 2001 From: David Shah Date: Mon, 25 Feb 2019 11:07:21 +0000 Subject: ecp5: Improve packing density Signed-off-by: David Shah --- ecp5/arch.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'ecp5/arch.cc') diff --git a/ecp5/arch.cc b/ecp5/arch.cc index fdc9c8fc..cd5fa0cb 100644 --- a/ecp5/arch.cc +++ b/ecp5/arch.cc @@ -457,7 +457,7 @@ delay_t Arch::estimateDelay(WireId src, WireId dst) const int dx = abs(src_loc.first - dst_loc.first), dy = abs(src_loc.second - dst_loc.second); return (130 - 25 * args.speed) * - (8 + std::max(dx - 5, 0) + std::max(dy - 5, 0) + 2 * (std::min(dx, 5) + std::min(dy, 5))); + (6 + std::max(dx - 5, 0) + std::max(dy - 5, 0) + 2 * (std::min(dx, 5) + std::min(dy, 5))); } delay_t Arch::predictDelay(const NetInfo *net_info, const PortRef &sink) const -- cgit v1.2.3