From 25051fad3eb8988b2ed41a607120c99b7da2deca Mon Sep 17 00:00:00 2001
From: wvpm <24685035+wvpm@users.noreply.github.com>
Date: Fri, 15 Nov 2024 09:57:28 +0100
Subject: Process provinces in parallel

---
 src/openvic-simulation/map/MapInstance.cpp | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

(limited to 'src/openvic-simulation/map')

diff --git a/src/openvic-simulation/map/MapInstance.cpp b/src/openvic-simulation/map/MapInstance.cpp
index 28bf189..d53ae0a 100644
--- a/src/openvic-simulation/map/MapInstance.cpp
+++ b/src/openvic-simulation/map/MapInstance.cpp
@@ -1,5 +1,7 @@
 #include "MapInstance.hpp"
 
+#include <execution>
+
 #include "openvic-simulation/history/ProvinceHistory.hpp"
 #include "openvic-simulation/map/MapDefinition.hpp"
 #include "openvic-simulation/utility/Logger.hpp"
@@ -161,9 +163,15 @@ void MapInstance::update_gamestate(const Date today, DefineManager const& define
 }
 
 void MapInstance::map_tick(const Date today) {
-	for (ProvinceInstance& province : province_instances.get_items()) {
-		province.province_tick(today);
-	}
+	std::vector<ProvinceInstance>& provinces = province_instances.get_items();
+	std::for_each(
+		std::execution::par,
+		provinces.begin(),
+		provinces.end(),
+		[today](ProvinceInstance& province) -> void {
+			province.province_tick(today);
+		}
+	);
 }
 
 void MapInstance::initialise_for_new_game(
@@ -171,8 +179,14 @@ void MapInstance::initialise_for_new_game(
 	DefineManager const& define_manager
 ) {
 	update_gamestate(today, define_manager);
-	for (ProvinceInstance& province : province_instances.get_items()) {
-		province.initialise_rgo();
-		province.province_tick(today);
-	}
+	std::vector<ProvinceInstance>& provinces = province_instances.get_items();
+	std::for_each(
+		std::execution::par,
+		provinces.begin(),
+		provinces.end(),
+		[today](ProvinceInstance& province) -> void {
+			province.initialise_rgo();
+			province.province_tick(today);
+		}
+	);
 }
\ No newline at end of file
-- 
cgit v1.2.3-56-ga3b1