Hi everyone. 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. Why can't devs make it use more CPU?
Why Can't HoI4 Use All Cores?
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Hi everyone. 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. Why can't devs make it use more CPU?
I assume that there is a technical reason as to why they cant do this because it sounds like the solution to nearly all of their problems of implementing newer and complex features would be fixed by this. Also it would solve nearly all of their performance issues.
My computer is over 8 years old and has 4 cores so I would assume that most people have at least 4 cores by now. If they make the game for more cores than what is available then the game would put the two lowest loads together.
It sounds like a simple solution but if it was simple then it would be done.
*edit*
one of the reasons for having the aircraft teleport around was to lower the demand on the CPU. I remember seeing videos and pictures of the pathing of the planes during development then it was dropped for the teleport feature.
My computer is over 8 years old and has 4 cores so I would assume that most people have at least 4 cores by now. If they make the game for more cores than what is available then the game would put the two lowest loads together.
It sounds like a simple solution but if it was simple then it would be done.
*edit*
one of the reasons for having the aircraft teleport around was to lower the demand on the CPU. I remember seeing videos and pictures of the pathing of the planes during development then it was dropped for the teleport feature.
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Isn't easy as add a line "computer.core_use = "all" ".
To use X core to solve a problem, you must divide your problem into X independant part. (And this repartition can be take alot of time...)
It's absolutely not a trivial work for a dev, and can create a lot of severe bug.
Cores can only really work on the data if it is completely independent of what other cores are doing else you waste so much time trying to keep the data intact that you lose any benefit from working on multiple cores.
One of the technical reasons mentioned by the Devs is the movement handler. If two units try to move into the same province you need a central list, you can't split it out amongst multiple cores. All the planning of what the AI wants to do is split out but the actual resolution of each unit moving has to be done sequentially.
This is especially important in multiplayer games. You don't want one computer to calculate unit A got their first and another to calculate unit B was first.
There are probably quite a few other similar bottle necks where the actual result of an action has to be computed sequentially and can't be done completely independent of other actions.
One of the technical reasons mentioned by the Devs is the movement handler. If two units try to move into the same province you need a central list, you can't split it out amongst multiple cores. All the planning of what the AI wants to do is split out but the actual resolution of each unit moving has to be done sequentially.
This is especially important in multiplayer games. You don't want one computer to calculate unit A got their first and another to calculate unit B was first.
There are probably quite a few other similar bottle necks where the actual result of an action has to be computed sequentially and can't be done completely independent of other actions.
Even though you do this, game still uses 2 cores heavily, puts all work into just 2 cores, in 32 core CPU. Please comment after watching the video I linked.
I see, thanks so much for your informative comment. Is there a way to make AI calculate on other CPU? Like, if an AI country has more than x troops, it takes most of their actions on free core. Or if a country's AI needs to work more on that year. etc.
Your question is :
My answer is:
It is a complex task to achieve. Deal with it.
I didn't watch all the video, but the core usage is very linked to game engine, and i haven't any information to multi-threading gestion in this game engine, so all discussion about core usage will be theoric.
I notice that
It is less or more that i said, and you agree with he. I dont see your problem.
Maybe because of your message started with this?
You are commenting a thing, post owner absolutely doesn't know anything, and you are commenting "it is that easy". This is directly insulting someone. I immidiately stopped reading your comment when I saw the insult, and didn't even bother the read the rest. Have a good day.
I'm sorry if i have hurted you, it won't be my intention.
But it it's a very common misconception to think that CPU is just brut calculation power, and in my point of view is never an insult to speak about misconception of people... Don't knowing something isn't a bad thing, it is just a fact. (I also speak for myself)
I really have no idea how you can see an insult in any part of that post.
You asked a question, he answered with little more than "what you ask for is not a simple task". That's a statement of fact, it doesn't judge you or insult you in any way.
Well that escalated quickly.
You are asking a very technical issue and very few if anyone here will be able to answer the question. Maybe it will be better in HOI5 but im assuming that it is too difficult to add in now and there are other more pressing issues with the game that they need to make to sell some more DLC.
You are asking a very technical issue and very few if anyone here will be able to answer the question. Maybe it will be better in HOI5 but im assuming that it is too difficult to add in now and there are other more pressing issues with the game that they need to make to sell some more DLC.
I am also sorry to falsify your message. I should have asked first.
I see, thanks kind sir.
After seeing your reply to 7163D, I can only say:
Because the devs hate you, to a level of Intoxikation.
It's true, they are getting high on your frustration, too.
I mean, come on, what do you think? You obviously argue from a non-professional point of view - or you would consider possible problems in the workload that can be divided up multiple cores.
Sir, what are you even talking about? It was a misundertanding, and we solved it. Do you really need to mention a solved problem? I just asked a question. I obviously argue from a non-professional point of view, because I am not a proffesional. I just wanted to learn. And I got my answer. Why are you still trying to create drama?
The engine can do multi-threading just fine.
https://www.reddit.com/r/paradoxplaza/comments/9nhe5i/when_will_paradox_games_properly_support/ will probably give you somewhat of an answer
In my native tongue, there is a saying, that the echo from the woods sounds a lot like how you shouted in the first place.
If you have Trouble with a factual statement, consider not feeling insulted.