From cc9f99a80c9aa9b69bc2a54060b5fbcec799f145 Mon Sep 17 00:00:00 2001
From: gatecat <gatecat@ds0.me>
Date: Sun, 19 Dec 2021 19:29:44 +0000
Subject: parallel_refine: New, parallelised placement refinement pass

---
 common/command.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'common/command.cc')

diff --git a/common/command.cc b/common/command.cc
index d4279a58..56327847 100644
--- a/common/command.cc
+++ b/common/command.cc
@@ -109,6 +109,7 @@ po::options_description CommandHandler::getGeneralOptions()
     general.add_options()("debug", "debug output");
     general.add_options()("debug-placer", "debug output from placer only");
     general.add_options()("debug-router", "debug output from router only");
+    general.add_options()("threads", po::value<int>(), "number of threads for passes where this is configurable");
 
     general.add_options()("force,f", "keep running after errors");
 #ifndef NO_GUI
@@ -173,6 +174,8 @@ po::options_description CommandHandler::getGeneralOptions()
                           "placer heap criticality exponent (int, default: 2)");
     general.add_options()("placer-heap-timingweight", po::value<int>(), "placer heap timing weight (int, default: 10)");
 
+    general.add_options()("parallel-refine", "use new experimental parallelised engine for placement refinement");
+
     general.add_options()("router2-heatmap", po::value<std::string>(),
                           "prefix for router2 resource congestion heatmaps");
 
@@ -225,6 +228,10 @@ void CommandHandler::setupContext(Context *ctx)
         ctx->rngseed(vm["seed"].as<int>());
     }
 
+    if (vm.count("threads")) {
+        ctx->settings[ctx->id("threads")] = vm["threads"].as<int>();
+    }
+
     if (vm.count("randomize-seed")) {
         std::random_device randDev{};
         std::uniform_int_distribution<int> distrib{1};
@@ -298,6 +305,10 @@ void CommandHandler::setupContext(Context *ctx)
 
     if (vm.count("placer-heap-timingweight"))
         ctx->settings[ctx->id("placerHeap/timingWeight")] = std::to_string(vm["placer-heap-timingweight"].as<int>());
+
+    if (vm.count("parallel-refine"))
+        ctx->settings[ctx->id("placerHeap/parallelRefine")] = true;
+
     if (vm.count("router2-heatmap"))
         ctx->settings[ctx->id("router2/heatmap")] = vm["router2-heatmap"].as<std::string>();
     if (vm.count("tmg-ripup") || vm.count("router2-tmg-ripup"))
-- 
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