ive played games where once you get into tripple digits gameplay (over 100 hours) it slows to a crawl but just watch moves and check the game once an hour or so .

The one thing that i just do not understand and it oculd be this patching stuff but if a game is slow when there are 9 players left allive - cut to later in the game and there is now just 3 or 4 players - regardless of the fact we still occuppy the game amount of space the game does not speed up - id expect it to since its no longer devoting processing power to determining the dead AI's actions

I havent actually ran the game while debugging it to see if there are memory leaks or where the inefficiencies are. But as you say, the game gets slower the longer it has been played.

Saving at a slow point, and then reopening the entire game to load the save, still leads to the game being slowed down. That almost rules out a memory leak, as those are normally gradual over the time an application is running.

My theory is the micromanagement the AI does with its ships, and the hundreds of trade and refinery ships calculating paths, is the main cause. Simply because as the game progresses, more and more ships are generally around (even with less AIs, planets still end up with trade ports etc). Even your own ships that you control, still require processor power.

I wonder, whether they alongside rebellion, sins of dark age, etc... work on iron engine 2.0

Byproduct of a democracy...even the dumbest dumb-dumb has a say in who the next President will be....

Why do people always attempt to judge other people's qualifications and experience online, even when they don't have any knowledge about them?

Because they are narrow-minded fools.

I happen to work in software design, and have done for a decade now. I am more than qualified to discuss such a generic addition to an engine that drastically needs an overhaul. If you don't have anything useful to add to the debate, then don't click the reply button.

This is also a very good idea, though I do wonder if the problem is not more related to paging as opposed to threading.  I've been on this game since it's 1st beta in 2007 and this has been an ongoing problem.  At that time I was running it on a hyper threaded dual core box I think.

Initially it was issues with ram limitations, but that crashing at 2gb of usage issue was fixed a few years back.

reducing the graphics options does help some what and adding a larger and vastly more powerful gpu also helped.  I specifically tend to see it happen towards the late game but not nearly as bad as it was before Rebellion.    Maybe IC will comment on what the issue is to help clarify things.

I don't know what type of organization you do software for (more importantly, how large the group you work with is), but Stardock has continually had a manpower issue for as long as I can remember...as an example, one of the most recent balance updates for GalCiv II: ToA had to be done by an Stardock employee during his free time on the weekends, and that game still is far from being balanced despite it's place as Stardock's crown jewel...

Stardock is struggling to get all the bugs stamped out while simultaneously balancing/polishing the new content, and now you want them to rewrite the parts of their game that do work?  Hell, Stardock didn't even have the time or resources to properly polish sins diplomacy...furthermore, the people who made the game engine (Ironclad) are off doing other things...you are asking Stardock, who didn't even design the game engine in the first place, to now rewrite it...

This is not a software decision, it is a business decision...this game is old and will be facing serious competition from a host of other 4x space games that are slated for the coming year (Endless Space, Legends of Pegasus, Star Drive, Gemini Wars)...furthermore, the game works just fine if you have even a half decent processor...I have a meager 2.4 GHz Dual Core processor and I can run large 10 player games with all graphics on highest, no lag at all....the only times I get lag are 1) MP or 2) running the game on faster than 2x speed...

Anyway, adding threading is not going to resolve the majority of lag problems which are related to MP....essentially you have a solution that is costly for SD and provides little benefit to the community...

90% of the people who ask for multi-threading don't understand the amount of software work that would have to be done...the 10% that do understand the software work don't seem to get the business perspective of the issue...I'm trying not to be mean, I really am, but this issue has been beaten to death like none other...Ironclad is done with the game, they have passed the torch to SD, and SD isn't going invest the time and expense into something with so little return value...

I have played with a mod that did this (as well as slightly reduce the number of SC involved)...hard to say if it helped since it was for a friends computer, not mine, but if you get results let me know...

It helps. How much *shrugs*

My biggest boost in performance late game is simply un pinning everything in the Empire Tree. 

And I started this habit back in Entrenchment. Since then have suggested as often as I can. 

My thought on this is a main cause of later game lag. But I cant confirm it to suggest changes for the beta.

I assume you mean shareholders; and thats between them and SD.