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[RPharazon]

With <90 dwarves on a 2x2 map, weather and temperature disabled, pop cap at 90, I get a nice 40-90FPS, depending on whether all the dwarves are working or not.
I find that the constant parties make most of the dwarves useless and generally processor drains, so I usually limit the count at 40 or 50. It is kind of crap that I don't get sieges. I can't handle enough dwarves to get sieges without suffering tremendous FPS loss.

Still, it's forgivable because it's a work in progress.

[Warmist]

200 dwarves and some evil cats ~ 30 fps and i adapt by thinking slowly so I don't notice any slowdowns.   :p

[Empty]

I'm on win2k. And have roughly a 5 year old system.

I've got a fort with 64 dwarfs runnings at my full fps cap of 100.
Unless 30 of my dwarves start dumping all my designated stones. Then due to pathfinding my fps jerks between 30/60/90 constantly for a few seconds.

[thvaz]

The real problem to me is when you hvave lag spikes - when your fps drop from 30 to 15 fps. This makes moving around harder. When the fps is constant, I haven't this problem, though at ~20 fps it takes forever to something to happen in the game.

I usually have 23-24 fps with around 200 dwarves with everythin on (standard world, temperature and weather on, map with some features). I have a Pentium D(dual core) 2.8 ghz and 1 GB of RAM.

[Ubersoldat]

Has it been noted that digging into the demon pits causes a drop in FPS?

I had a 3x3 fort going great with 100 dwarves around 20-30 FPS, dug into demon pits accidentally, was down to 14 and had to quit. I was kicking so much goblin ass too...

[Rilder]

Around 40 Fps on my 2gz Single Core computer, with 80 dwarves.

[IronValley]

My current fort has 160 dwarves. And up until recently everything was a'ok. However I keep getting spikes taking me down to 20 ish fps, before iiit jumps back up to 70'ish. Usually 60-70, depending on the activity it can drop to 50, or go all the way up to 90.

I'm guessing I have some sort of bottleneck somewhere, but I can't really locate it. The lagging could also be related to dwarven butchers hunting down kittens. I don't think the amount of units have that mutch of an effect, because I cleansed my fortress of Elephants (had 30++ of them) and Warthogs, and it had no real effect on my fps.

If anyone that is into the whole optimization of pathways would be interested in locating my bottleneck I'd really appriciate it.

Running DF on my laptop, 2g RAM 2.1GHZ Dual Core and a 8600GT (?)

[avari]

quote:Originally posted by Empty:
<STRONG>I'm on win2k. And have roughly a 5 year old system.

I've got a fort with 64 dwarfs runnings at my full fps cap of 100.
</STRONG>

Huh, really? Lucky you   That sounds like exceptionally good perfomance to me, when compared with FPS numbers reported by just about everybody else, usually running on newer systems too.. I for example can't get more than about 80fps with 20-30 dwarves on my 5 _week_ old system. Of course the fps depends quite a lot on map size/features, ongoing liquid flows, number of animals etc.

On the topic of dual cores, I did get about +20 fps on an 80-dwarf fort when I upgraded from 2.4ghz single to 2ghz dual core. Although I did double the amount of RAM too, and I'm not sure how RAM relates to DF frames. I also switched from WinXP to Vista, but I don't really believe that helped with the fps.. Unless maybe the operating system is critical and your Win2K is actually the magic variable here  

[Keizo]

The reason avari's FPS is so good is likely that he doesn't have a dual core, and his one CPU is prolly 3+ ghz.

Also, his win2000 might be well configured to reduce CPU hogging software that vista tends to be loaded down with.

My old desktop from 3 years ago does better than my 2007 laptop (once again, the difference is single core vs. dual core).

Really, the whole "push" for dual core has probably been the biggest setback to PC gaming since microsoft announced that the newest versions of direct X would require Vista.

[Empty]

quote:Originally posted by avari:
<STRONG>

Huh, really? Lucky you   That sounds like exceptionally good perfomance to me, when compared with FPS numbers reported by just about everybody else, usually running on newer systems too.. I for example can't get more than about 80fps with 20-30 dwarves on my 5 _week_ old system. Of course the fps depends quite a lot on map size/features, ongoing liquid flows, number of animals etc.

On the topic of dual cores, I did get about +20 fps on an 80-dwarf fort when I upgraded from 2.4ghz single to 2ghz dual core. Although I did double the amount of RAM too, and I'm not sure how RAM relates to DF frames. I also switched from WinXP to Vista, but I don't really believe that helped with the fps.. Unless maybe the operating system is critical and your Win2K is actually the magic variable here   </STRONG>

4*6 size
Magma vent.
Moving water. (self made waterfall. YAY)

And yes. I do have a single core amd athlon64 3000+ processor.

My main suspect on the decrease in fps's on other people systems are winxp and vista. As I have used a system just like mine with both of them and have seen a Huge decrese in fps.

[martinuzz]

Playing on my laptop, AMD Turion64 ~1.6 Ghz Dual Core, 1G Ram.

With my current fort, 110 dwarves, ~50 animals, some water pumping, no clogged traffic, lots of goblin junk, the game runs at 25-35 FPS. Quite happy about it.
Must have done something right with this fortress' layout, for I've had worse FPS with smaller forts.
But then again, this fort has lots of 5 wide hallways, lots of interconnecting stairways. Dwarves can almost always reach their destination without detour.

Yesterday I tried my old PC, not Dual core, instead AMD Athlon 3000+, 2G RAM, Win2000 Pro, expecting it to run DF faster.
Stangely enough, it didn't. Even when paused, it maxed out on 88 FPS instead of 100. With the same fortress as described above, I only got to 15-20 FPS.
I don't get it. It should run faster. Any idea's?

[scjohnno]

GHz are not a reliable measure of CPU speed nowadays. And DF will run just fine on a recent dual-core computer - it won't use both cores, but a core will still be faster than an old single-core CPU.

[dreiche2]

If it runs slow even when paused then this could be a (graphics) driver issue.

[Juason]

quote:
The reason avari's FPS is so good is likely that he doesn't have a dual core, and his one CPU is prolly 3+ ghz.

I disagree.  I have a 3Ghz P4 and with 60 dwarves on a 4x4 map with no cliffs and only a magma pipe and no temp and no weather - I get massive lag spikes pushing me down to 30fps, then jumping back up to 80fps, and back down again for many minutes.  It practically forces me to abandon by the time I hit 100 dwarves    I get near identical performance on my pentium-m 2Ghz laptop...

My P4-2.8Ghz comp at work can't even play DF.  Massive lag at the title screen.  Must be a video thing I've yet to figure out.

I'll probably play another few days until the lag frustration is too much and I vanish for another 6 months :sigh:

[Fedor]

quote:Originally posted by Juason:
<STRONG>I'll probably play another few days until the lag frustration is too much and I vanish for another 6 months :sigh:</STRONG>

Juason, sorry if you already know this, but have you tried the fixes suggested here?