Hoi4 multithreading. May 6, 2014 · HoI3 CPU optimization was bad at release.

Hoi4 multithreading. As you can see in the numbers here, this ran about 3 times slower than the high end 20 core machine from before. Hope that helps a bit, though I don't think you need to worry too much. May 6, 2014 · HoI3 CPU optimization was bad at release. What symptoms do you observe exactly? Mathieu Ropert, aka The French Paradox -- @MatRopert -- Twitch They spam units and they need to be calculated despite never really having a huge influence. Mar 25, 2025 · If it were possible to magically port HoI4 to a "new engine" you also wouldn't see any instant gains - you can't just turn on multithreading as if it were a property that a new engine enables; our "old" engine supports multithreading just as well as newer ones - and it is used in abundance. It's a trade off: Calculations are spread out between multiple threads that in the best case run on different physical cores, which decreses the load on the main thread. It's not so well with multi threading. First one is in this thread, named podcat, who is a moderator and developer: Hey! @AveeBee here to give you a rundown of what we’ve been up to recently. The minimum requirements specify a quad-core, so it's definitely multi-threaded, which means it can use Hyper-Threading. Features implemented in script by modders can't be optimized to the same extent by e. Have you tried AMD Ryzen Master? It's a tool you can do to boost clock speeds and you should get a little more IPC from the processor. You can easily learn the basics of the game within your first few games in single-player, especially since there’s tons of walkthroughs/guides on YouTube. Unless you're going over the total ram available to your system for all applications and things are being written to disk the amount of ram used by hoi4 will have zero effect on your performance. Some engines have elements that parcel off different parts to different cores depending on usage. Reply reply C0RVUSC0RAX • hoi4 has always been multithreaded, here's the tech lead of hoi4 doing a talk on it Multi Threading Model in Paradox Games: Past, Present and Future - Mathieu Ropert - ACCU 2023 (youtube. If you want to become a contributor please register and check out the work needed page. Implementation though is the right word, since it's not on/off, more about how you do it. 13 “Stella Polaris” - 1943 - AMD Ryzen 3 1200 First off, if there was still any doubt in your mind, yes, switching to a beefier machine will absolutely make HoI run faster. . It does some but a lot of the game gets constrained with calculations having to be done in a precise order otherwise it screws up multiplayer (and causes hell for debugging). May 7, 2008 · You may optimise your HOI4 on your platform for one particular test and then find that performance is affected quite differently at other stages of the game. Since Graveyard of Empires released, we’ve been working hard to polish and refine the new content to make it more enjoyable. Very feature-rich mods might therefore in practice be bound to single-threaded performance on the game logic thread. Oct 19, 2018 · Be careful to mention the word "multithreading", it has a tendency to promote very non-constructive answers from people who have no idea how CPUs and parallel programming works. They added multithreading to the boot process in ck2 and can therefore claim it is a multithread program, but don't believe that hype. Application for HOI4/Paradox Interactive Clauzewitz engine scripting and modding. Jul 1, 2016 · - all our games, including our "older" live games (EU4, Stellaris, HoI4) utilize multithreading - outside of certain topics such as rendering, the degree that each game is multithreaded is not down to the engine, it is game-specific - the engine that existed in the early 2000s does not exist now. It's hard to write efficient multithreaded code, and in many cases not even possible. Depending on the type of work load of your application, that can account for an increase in performance of between 5 and 15 %. Good multi-threading definitely improves the speed of processing. Hopefully HOI5 has full multi-thread Feb 5, 2020 · It runs ok until the late game lag that everyone gets in about 1942ish. On the benefits of multi-threading, there's a bunch of ways to make it work better. On the other hand, other threads doing changes to the state the program is in means the threads can't as Depending on game, “ticks” can be an ingame hour (HoI4), day (CK2 and EU4) or fraction of day (Stellaris). trueThe point of ram is faster memory than disk. Oct 9, 2023 · HOI4 1. Aug 25, 2025 · There are very few games of Stellaris I've abandoned because they got too annoying. Oct 31, 2023 · HOI4 is the type of game that is easy to learn but hard to master. My playtime? May 23, 2016 · Pages in category "Patches" The following 33 pages are in this category, out of 33 total. Apr 13, 2019 · -threads=: sets the upper size limit of the threading pool, setting to 1 disables multithreading in many places -logpostfix= -logprefix= -settings=: use the specified settings files instead of settings. Contrast this with HoI4 where about 5/6ths of all my attempts end in frustration. Are we ever going to see a proper resolution to this? Jan 5, 2018 · Hi everyone. List includes detailed help, examples and argument explanations. Mar 10, 2014 · Im wondering if HOI IV will take advantage of full multithreading capabilieties or will just stuck at what HOI III was (so far as I remember HOI III used an aditional thread for IA or trade/diplomacy dont remember) Oct 19, 2018 · But, thanks to hyper threading, another thread now makes progress that it would not have made without the use of hyper threading. Just curious, what kind of research did you do before making this post that gave you the impression Paradox games didn't utilize multi-threading? Considering that according to the developers themselves multi-threading has been been used for many years now? If you know anything about multithreading programming it's actually very hard to get right. A place to share content, ask questions and/or talk about the grand strategy game Hearts of Iron IV by Paradox Development Studio. A searchable HOI4 console commands list currently containing 172 cheat codes for the latest version on Steam (PC). Some of this has taken the form of bug fixes of course, but we’ve also fully reworked significant sections of some focus trees, as well as added some completely new content that we really Oct 8, 2022 · Are there any changes to the engine? Does it support multi-core processing? Or is it the same as EU4 or HOI4? Single thread speed is what drives the performance of the clauswitz engine. An engine is a living thing, and is constantly Apr 22, 2025 · Anyone can contribute to the wiki. It's why Ryzen does worse than Intel in almost all game benchmarks. Multi threading isn't a magical fix to all performance problems. HOI4 is built on an old engine that favors single processors. multithreading and caching. I just watched this video and immidately I started to think: why the game can't use more cores on CPU? That would just solve the game's biggest problem: getting slower over time. Ram usage is determined by the amount of things stored, storing more things does not necessarily make the program run faster unless it's to cache data Feb 5, 2020 · It runs ok until the late game lag that everyone gets in about 1942ish. It is quite better now, but it uses 2 CPU cores. If you spot anything in need of improvement, don't hesitate to make an edit. HoI4 is just straight up horrible when it comes to optimization for multi threading, the game primarily uses one thread and barely uses all other threads and cores. Nothing can play Hoi4 well, nasa NASA is attempting to create a supercomputer that can, but chances are slim But seriously if you need help getting a good pc build just add me on discord (V≠LO#4439) Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history. Will HoI4 use 4 or more CPU cores effectively? Edit: Then I should renew my question. Unfortunately some gameplay things can't be parallellized well because it requires waiting for the previous data that it relies on. Why can't devs make it use more CPU? Dec 6, 2015 · HoI4 loaded through to the menu quicker than greased lightning. Why can't devs make it use more CPU? Apr 13, 2019 · -threads=: sets the upper size limit of the threading pool, setting to 1 disables multithreading in many places -logpostfix= -logprefix= -settings=: use the specified settings files instead of settings. If you plan on making any major changes it is recommended you read the style guidelines first. txt -checksum -userdir= -nolauncher: skips the launcher -nothreadedload: load the game without offloading to worker threads -noai: disables AI Did you try searching? More efficient multithreading isn't just setting "faster=true". The quad-core you listed is likely going to be faster than the dual-core. txt -checksum -userdir= -nolauncher: skips the launcher -nothreadedload: load the game without offloading to worker threads -noai: disables AI Jan 5, 2018 · Hi everyone. In reality it uses HOI4 is based on old Paradox designs so the code doesn't multithread too well. You want the fastest single thread you can get, and if you have the knowledge to overclock you can get more speed out of your speed 5. I haven't actually tested HOI4, but all other recent paradox games unloads a reasonable amount of work to worker threads (=multithreading=uses multiple cores). Jun 23, 2017 · Great game But after some time , the game starts LAG Is there any possibility in the future that the game has multi-core support? Nov 20, 2020 · HOI4 runs at 1/8th of the processing power on my i9 in MacOS, but on the same computer running Windows 10 it runs at full power I doubt this is due to mulithreading, HoI uses the same multithreading library on WIndows, Mac and Linux. Beyond that, not a lot can be done without hoi4 getting an update to improve multi-threading, but it's a very complex thing to change due to do many processes sharing data, which would be slower to transfer to other cores than just doing it on the one. Aug 19, 2022 · That multithreading is the issue , and alweys been , my older pc ran hoi4 more then twice as fast as my current better pc but now we know the reason why multithreading is a problem , its becouse synchronization and desynchronization isues , so bulk of the game runs on 1-2 threads and they cant really change it as it would cause a lot problems One of my biggest concerns with this game is the inevitable chug that occurs starting 1942-1943. Including: Building View for any map overhaul mod, Focus Tree editor, Localization automation, Map Generation, and more. Well, my supposition was that my both HoI4 and CKII autocloses themselves (without even an indication of a crash) when I notice that the "tick" on one of my cores reaches the ceiling (in HoI4 mostly around 1943 and in CKII around 900s if I started on the 769 bookmark) We would like to show you a description here but the site won’t allow us. You guys don't understand what you're talking about. Hopefully HOI5 has full multi-thread Mar 23, 2019 · Where did this notion that HOI4 and the Clausewitz engine uses only one core come from? I've found three Paradox developers that all confirm either that more than one core will, in fact, speed up the game and/or Clausewitz uses more than one core. HoI3 uses 20-22% of my CPU (4 cores 8 threads). g. My recommendation to all players would be not to experiment very much with performance tricks with HOI4 unless you are enjoying that process for its own sake. com) Reply reply Pydginpigeon • Please check your connection, disable any ad blockers, or try using a different browser. More so with the requirements that it has to be deterministic to work in multiplayer as is the case for Paradox engines. 12 “Avalanche” - 1943 - AMD Ryzen 3 1200 HOI4 1. Comments 8 Description Multi Threading Model in Paradox Games: Past, Present and Future - Mathieu Ropert - ACCU 2023 Multithreading is in all of the games in question (since CK2 launch, HoI3 was patched in later).