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router2: speedup

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-11-20 16:01:53 +00:00
parent 59c554b50a
commit bbc9c9b0ba
1 changed files with 2 additions and 1 deletions
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3
common/router2.cc
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@ -399,6 +399,7 @@ struct Router2
cursor2 = ctx->getPipSrcWire(p); cursor2 = ctx->getPipSrcWire(p);
t.backwards_pip[cursor2] = p; t.backwards_pip[cursor2] = p;
} }
break;
} }
cpip = cwd.bound_nets.at(net->udata).second; cpip = cwd.bound_nets.at(net->udata).second;
} }
@ -494,7 +495,7 @@ struct Router2
next_score.cost = curr.score.cost + score_wire_for_arc(net, i, next, dh); next_score.cost = curr.score.cost + score_wire_for_arc(net, i, next, dh);
next_score.delay = next_score.delay =
curr.score.delay + ctx->getPipDelay(dh).maxDelay() + ctx->getWireDelay(next).maxDelay(); curr.score.delay + ctx->getPipDelay(dh).maxDelay() + ctx->getWireDelay(next).maxDelay();
next_score.togo_cost = 1.5 * get_togo_cost(net, i, next, dst_wire); next_score.togo_cost = 1.75 * get_togo_cost(net, i, next, dst_wire);
if (!t.visited.count(next) || (t.visited.at(next).score.total() > next_score.total())) { if (!t.visited.count(next) || (t.visited.at(next).score.total() > next_score.total())) {
#if 0 #if 0
ROUTE_LOG_DBG("exploring wire %s cost %f togo %f\n", ctx->nameOfWire(next), next_score.cost, ROUTE_LOG_DBG("exploring wire %s cost %f togo %f\n", ctx->nameOfWire(next), next_score.cost,