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[cephalo]

As far as I know, there's zero evidence that the new world simulation has a major impact on FPS.  However, there are many new and old bugs (a few of which have already been fixed) that do have a demonstrable major impact on FPS -- the usual stuff like pathfinding spam.

Agreed, lets not go making stuff up and then use that as a reason not to play...

[SimRobert2001]

Yep, I wonder what Toady is going to do with this. Parallelization of a complex algorithm can be hard or even impossible, but it has to be done at some point, otherwise this problem won't resolve by itself.

You are correct.  However, he could core say, the fortress on one core, and then all water calculations on another. However, a complex algorithm must be on a single core.

[Col_Jessep]

There are two things I think lower my FPS: opening up caverns because the silly spiders never stop making nets and all the xcloth spamx. I'm trying to get my dwarfs to wear leather armor now but some outright refuse and rip their armor off their bodies as soon as I cancel their station. Dunno why, they were quite content with the armor only a minute ago...

Anyway, between having the outside world change and being able to explore the caverns I'd take the caverns every time. So many interesting creatures down there.

[SimRobert2001]

There are two things I think lower my FPS: opening up caverns because the silly spiders never stop making nets and all the xcloth spamx. I'm trying to get my dwarfs to wear leather armor now but some outright refuse and rip their armor off their bodies as soon as I cancel their station. Dunno why, they were quite content with the armor only a minute ago...

Anyway, between having the outside world change and being able to explore the caverns I'd take the caverns every time. So many interesting creatures down there.

When you look at the army in scheduling mode (i think)There's an option for the squad to remain in uniform when off/on duty.  By default, its set to tell the dwarves to use their uniform when only on duty.

[Dyret]

It is.

[Authority2]

lots of useful advice

I'm doing all this and getting 30 fps in the second year with twenty dwarves. I even made it an aboveground-only fort and dfhacked away the single cavern - that gave a small boost for a while until the next dip. There is only one z-level of air above the ground because there are no trees because of some mod or something. No magma, even, and that shows how desperate I am.
I hope optimizations are coming, and they fix this, because otherwise I can't play my favorite game properly.

[smjjames]

lots of useful advice

I'm doing all this and getting 30 fps in the second year with twenty dwarves. I even made it an aboveground-only fort and dfhacked away the single cavern - that gave a small boost for a while until the next dip. There is only one z-level of air above the ground because there are no trees because of some mod or something. No magma, even, and that shows how desperate I am.
I hope optimizations are coming, and they fix this, because otherwise I can't play my favorite game properly.

All that and you're still only getting 30 FPS? What did you get in 34.11?

[Authority2]

Can't remember. Better than 30, at least.
Going back means missing out on all the bugfixes and new plants, though, and it feels like taking a step back.

[My Urist Eternal]

Isn't this a problem that will eventually be solved by Moore's Law?

[miauw62]

Isn't this a problem that will eventually be solved by Moore's Law?

Moore's Law is an observation, not really a law. The rate of increase in CPU and GPU speeds is already decreasing, and tending more towards more cores than more peformance for single cores.

[malvado]

Well, third year inn, 98 Dwarves , havent breached aquifer ( Mining a mountain and going down slowly ) , no cavern layers breached yet , embark year 125 , med num of civs, beast etc
Went from 100 Fps down to 34.

Cpu (not the best in IPC) FX 83500 @ 4.5 Ghz , 1600Mhz Ram @ 9 9 9 9 24.

On my old fort I could have several minecart roads , pump stations , underground plumbing and 200 dwarves before it got this bad (And lower section breached as well).

[GenericOverusedName]

( Mining a mountain and going down slowly )

Pretty sure that has something to do with your troubles. How much stone do you have laying around, eating up memory?

[StagnantSoul]

When doing any large amount of mining, I get a pair of stone crafters going, and my jeweler cutting my most abundant stone as well as low gems. In a volcano, this actually provides stone crafts worth more than some lower metals, and a lot of gems for a gem setter to practice on. It both reduces free-floating stone, and triples the wealth of my fortress, with two legendary stone crafters constantly working, a gem cutter cutting, and a gem setter setting, and cuts down on the item-FPS drain.  I bought out the entire first caravan on obsidian and marble crafts, and got 10 FPS above my normal amount.

[Kumquat]

Isn't this a problem that will eventually be solved by Moore's Law?

Moore's Law is an observation, not really a law. The rate of increase in CPU and GPU speeds is already decreasing, and tending more towards more cores than more peformance for single cores.

Furthermore, Moore's law was never about performance; it is about transistor count which is not quite the same thing. Since cramming in more transistors tends to require smaller components and smaller components generally lead into faster clock speed those things go pretty well hand in hand.

[malvado]

( Mining a mountain and going down slowly )

Pretty sure that has something to do with your troubles. How much stone do you have laying around, eating up memory?

Nothing compared to previous versions.
probably something like 1 / 100th of a 34.xx game.

Also, using stone for some crafts will tripple the amount of items , turining stone into blocks will make 3 blocks out of 1 stone and so on.
Construction wise I havent even started on the outside fortress that Is usually built inn previous 34.xx versions , anyway I will try and compare and see if I can find certain culprints.

Anyway some Numbers :

Wood : 1546 Logs
Stone : 3461

The only number that does stick out and that is a bit odd is "small live animals : 51318" of which most are live honey bees.