placer1: New temperature heuristic

Signed-off-by: David Shah <dave@ds0.me>

1 files changed, 4 insertions, 0 deletions

diff --git a/common/command.cc b/common/command.cc
index dd351c0d..b7fc13e6 100644
--- a/common/command.cc
+++ b/common/command.cc
@@ -122,6 +122,7 @@ po::options_description CommandHandler::getGeneralOptions()
     general.add_options()("randomize-seed,r", "randomize seed value for random number generator");
     general.add_options()("slack_redist_iter", po::value<int>(), "number of iterations between slack redistribution");
     general.add_options()("cstrweight", po::value<float>(), "placer weighting for relative constraint satisfaction");
+    general.add_options()("starttemp", po::value<float>(), "placer SA start temperature");
     general.add_options()("placer-budgets", "use budget rather than criticality in placer timing weights");
 
     general.add_options()("pack-only", "pack design only without placement or routing");
@@ -188,6 +189,9 @@ void CommandHandler::setupContext(Context *ctx)
     if (vm.count("cstrweight")) {
         settings->set("placer1/constraintWeight", vm["cstrweight"].as<float>());
     }
+    if (vm.count("starttemp")) {
+        settings->set("placer1/startTemp", vm["starttemp"].as<float>());
+    }
 
     if (vm.count("placer-budgets")) {
         settings->set("placer1/budgetBased", true);