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[elcr]

Some time ago, probably around the release of DF2010, I read somewhere that dumping into a 'Magma Flow' tile or crushing under a drawbridge are the only ways to fully delete an item. That is to say destroying an item by dumping it into a regular magma tile or igniting it with dragonfire would not speed the game up as much as using an atom smasher would.

Is that still true as of DF2012/DF2014? I can't remember any real testing being done on this issue. It would be nice to just chuck goblin corpses in any old magma tile without worrying about losing potential FPS in the future.

[Robsoie]

An easy way is to create a simple " atom smasher "

Create a small room, create a bridge that cover the whole floor of that small room (set the type of bridge to be raised) , make a door for that room, create a lever outside that room and link it to that bridge.

Pull the lever so the bridge is raised.

setup a garbage dump zone on the floor of the small room.
mark as dump every items you want to be deleted.

The dwarves will bring all those items to the garbage dump (or if you use dfhack, simply type autodump to have all items marked for dump to be teleported directly into the garbage dump zone).

Once they're done, make sure there's no dwarves inside the small room (and lock the door to be sure none will come in) , pull the lever.
the bridge will then fall down and will delete all the items that were under it.

[Bumber]

...

That wasn't his question. He wants to know if other methods are as good for FPS.

[LordUbik]

I don't know for sure, but IMHO the thing has not changed. There hasn't been any fix in this direction,  or at least it hasn't been announced by toady.  I still use dear old stom-smasher to be sure!

[BadLeo]

IIRC, autodump-delete on DFHack. Works as autodump, but instead of teleporting the items, will delete'em.

[Dozebôm Lolumzalìs]

No, seriously, guys.  He's (she's?) asking whether burning an object away will have the same FPS effect as atom-smashing it, not asking for ways to increase FPS.

[Flarp]

I think it would depend on whether the normal magma reduces the item to some burnt/melted state (e.g., molten rocks or whatever results when you dump stone into magma) or flat-out destroys it. I think this varies by item, but I could be wrong. Molten rocks definitely stick around, so for that case, at least, the items are kept in memory, and FPS gain would be negligible.

[Max™]

An item swallowed by a magma flow is gone from memory last time I checked.

[Bumber]

An item swallowed by a magma flow is gone from memory last time I checked.

OP said as much. He wanted to know about regular magma and dragonfire.

[Max™]

Sorry, meant to add "but that and atom smashers are the only way I know of besides dfhackery", though I'm still not sure where the autodump-destroy stuff goes.

[Quietust]

Autodump-destroy is the same as atom-smashing an item or dropping it into a chasm or magma flow - it is deleted from memory and ceases to exist.

[omega_dwarf]

chasm

Ah, so chasms are another way? How about

Spoiler (click to show/hide)

eerily glowing pits - unless that's the same thing and I'm confused on terminology

?

[BadLeo]

chasm

Ah, so chasms are another way? How about

Spoiler (click to show/hide)

eerily glowing pits - unless that's the same thing and I'm confused on terminology

?

Nope. Chasms were a feature from early versions, if I'm correct. I dunno if both work the same way, though.

[Quietust]

They may look different, but they behave exactly the same. Chasms still exist in the current version, though they only show up in Arena mode; it is possible, however, to create them in Fortress mode using DFHack.