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[Duke 2.0]

I get about a 15% boost from putting locked doors at the head of each exploratory tunnel.

HE'S A WITCH!

Actually, he has something there. I recently sealed my human castle from the world and the FPS skyrocketed from a good 20 FPS to 40. Then I designated my entire refuse pile to be dumped while having the rest of my citizens grab an animal from my pen(Which has a one-tile entrance) and pit them in said pen.
 Previously that would freeze the game for a good twenty seconds. After laying down high traffic zones and setting the default to five, it merely went down to 10 FPS.

[Techhead]

Pi: 3.1428657....

3? Massive failure on the writer's part...

Pi: 3.14159265358979

3.1428? Massive ditto

PS. Very entertaining thread indeed! I'll certainly try some of the tricks

It might have been a small typo of 3.142857…, which is 22/7, a common approximation of pi.

[Baughn]

Say, what does "Gospel" really mean?

[ThtblovesDF]

[numerobis]

Say, what does "Gospel" really mean?

It's a sarcastic misspelling of "go spell".

For the benefit of those who have no idea what this is about, here's a funny take on it.

Now, perhaps we should go back to discussing pathfinding costs.

[Sinergistic]

In response to the locked doors comment:

I recently had an interesting situation. On my current map, I'm using ramps to reshape the terrain. A couple days ago, almost all my miners trapped themselves in a pit while digging ramps straight down. My FPS skyrocketed from sub 20's to high 180's. I replicated it a few times (trapping my all my miners in a small area while digging ramps) and each time I saw the FPS increase.

[Savok]

I find that digging areas of ramps kills FPS.

[Sinergistic]

I find that digging areas of ramps kills FPS.

Yeah, tell me about I've dug at least 3-4 thousand now.

[numerobis]

Ramps go in fast unless removing the tiles makes an "island" -- a set of tiles on a particular z-level that are not supported by any other tiles on that z-level.  Same goes when you remove the last square of an island.  This happens a lot when you dig a big block of ramps, and not much most of the rest of the time.

My guess is that this is related to the cave-in code; if true, that would mean that turning off cave-ins in the init would speed up big jobs of ramp construction.

[Sinergistic]

Ramps go in fast unless removing the tiles makes an "island" -- a set of tiles on a particular z-level that are not supported by any other tiles on that z-level.  Same goes when you remove the last square of an island.  This happens a lot when you dig a big block of ramps, and not much most of the rest of the time.

My guess is that this is related to the cave-in code; if true, that would mean that turning off cave-ins in the init would speed up big jobs of ramp construction.

Doesn't, it's very slow even with cave ins off. Infact, digging large blocks of ramps is almost impossible to do with caveins on, since your dwarves will kill themselves rather quickly if it's left on. I found this out the hard way.

Any kind of large scale mining seems to slow the game way, way down. I should experiment if locking dwarves into the area they are mining out has any kind of effect on game speed.

For anyone who cares: I was digging out a rather large block of ramps (talking hundreds of ramps here)

When I first began digging down, my fps was VERY low. sub 20's, to low 10's. The second the dwarves got cut off, my FPS spiked from that, to 180~ or so. (normal fps when nothing is going on).

Having the trapped miners keep digging down, my fps stayed very close to 180, and didn't drop perceptibly. However, the moment those dwarves regained access to the rest of the map, my game slowed to a relative crawl of 10-20FPS. At the time, I had the bright idea that they where all trying to figure out a path back to the meeting area, so I sealed that off with locked doors, which didn't have any effect.

[Duke 2.0]

...
 Is that Boatmurdered?

[Chandrasekhar]

...
 Is that Boatmurdered?

No, this is:

[numerobis]

Doesn't, it's very slow even with cave ins off. Infact, digging large blocks of ramps is almost impossible to do with caveins on, since your dwarves will kill themselves rather quickly if it's left on. I found this out the hard way.

Fascinating...  I don't understand how dwarves would be killing themselves with caveins on, but regardless, this disproves my theory for why things get slow.

[ZeroGravitas]

Doesn't, it's very slow even with cave ins off. Infact, digging large blocks of ramps is almost impossible to do with caveins on, since your dwarves will kill themselves rather quickly if it's left on. I found this out the hard way.

Fascinating...  I don't understand how dwarves would be killing themselves with caveins on, but regardless, this disproves my theory for why things get slow.

because they'll build a ramp under a mountain and crush themselves?

[Nesoo]

I haven't done a Mythbusters test of it yet, but I think the cave-ins with ramps really only happens when there's a tree on the tile above. It can't remove the floor since there's a tree on it, and the floor collapses since there isn't a wall holding it up...

At least, my miners have stopped killing themselves that way since I started clear cutting the level above before mining out the ramps, but that could just be coincidence.