From 75040cdbdfda2e3fedf15f9243613d92dda80c79 Mon Sep 17 00:00:00 2001
From: David Shah <dave@ds0.me>
Date: Sat, 3 Oct 2020 17:23:48 +0100
Subject: [PATCH] nexus: Randomise delay to stop router from getting stuck

Signed-off-by: David Shah <dave@ds0.me>
---
 nexus/arch.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nexus/arch.h b/nexus/arch.h
index ffe630a8..60bde0fe 100644
--- a/nexus/arch.h
+++ b/nexus/arch.h
@@ -1115,7 +1115,7 @@ struct Arch : BaseCtx
 
     WireId getPipDstWire(PipId pip) const { return canonical_wire(pip.tile, pip_data(pip).to_wire); }
 
-    DelayInfo getPipDelay(PipId pip) const { return getDelayFromNS(0.1); }
+    DelayInfo getPipDelay(PipId pip) const { return getDelayFromNS(0.1 + (pip.index % 30) / 1000.0 ); }
 
     UpDownhillPipRange getPipsDownhill(WireId wire) const
     {