diff options
Diffstat (limited to 'nexus/arch.cc')
| -rw-r--r-- | nexus/arch.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/nexus/arch.cc b/nexus/arch.cc index a7751425..06a901cd 100644 --- a/nexus/arch.cc +++ b/nexus/arch.cc @@ -601,7 +601,8 @@ delay_t Arch::estimateDelay(WireId src, WireId dst) const int dst_x = dst.tile % chip_info->width, dst_y = dst.tile / chip_info->width; int dist_x = std::abs(src_x - dst_x); int dist_y = std::abs(src_y - dst_y); - return 75 * dist_x + 75 * dist_y + 250; + + return estimate_delay_mult * (dist_x + dist_y) + 250; } delay_t Arch::predictDelay(BelId src_bel, IdString src_pin, BelId dst_bel, IdString dst_pin) const { @@ -655,6 +656,10 @@ ArcBounds Arch::getRouteBoundingBox(WireId src, WireId dst) const bool Arch::place() { + estimate_delay_mult = 75; + if (getCtx()->settings.count(getCtx()->id("estimate-delay-mult"))) + estimate_delay_mult = getCtx()->setting<int>("estimate-delay-mult"); + std::string placer = str_or_default(settings, id("placer"), defaultPlacer); if (placer == "heap") { |