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[Qmarx]

Just did a little comparison...

When you first get to the main menu after starting up dwarfort.exe the program takes up about 13 mb of RAM (13,712 kb according to task manager).  I played a while on the game, then saved and returned to the main menu.  Once there, I checked the memory usage again.  This time it was 52 mb.

Having noticed this, I decided to do another test.  Cycling in and out of the "create new world with parameters" window increases the memory use slowly but steadily.

I know optimization is a little later, but this might explain why DF keeps locking up my system - I save often when playing, and it might keep inflating the memory requirements.

[grelphy]

As a quick fix, try setting [AUTOSAVE:SEASONAL] and maybe [AUTOBACKUP:ON] in the init. That'll save you from cycling in and out of the menu when saving.

[Qmarx]

Yeah, I'm doing that.  It helps a little...

My computer might be a little borderline for DF.  I get reduced, but not nonexistent crashing with fewer other programs running.  Winamp guarantees a crash within a couple of hours, and 3dwarf will cause one within minutes if I'm running them simultaneously with DF.  It's possible that my computer just can't handle the program.  When my computer freezes up, the CPU is working like crazy - which I suppose could mean that there's an infinite loop somewhere.

Anyway, I'm on a R52 thinkpad, so my specs are Intel Pentium 2GHz 798MHz, with 1GB of RAM.  Maybe this isn't good enough (although the framerates on the fortresses I'm currently using are around 70-90)

[Toady One]

There were well could be memory leaks, but I cycled out of the gen screen 20 times and didn't get a gradual increase.  There's a one time increase (for me from ~13 to 34 MB) at the title screen because it doesn't clean the first mess until you select an option, but after that it hung around at 34 MB permanently.  My leak detector VLD doesn't find anything (and it has been very observant in the past) when I load and save a game, but that game might not have the exact feature that's causing a problem if there is one.  If somebody has a save, or some DF sequence of commands, that they suspect isn't cleaning itself properly, I can take a look at it.

[Qmarx]

There were well could be memory leaks, but I cycled out of the gen screen 20 times and didn't get a gradual increase.  There's a one time increase (for me from ~13 to 34 MB) at the title screen because it doesn't clean the first mess until you select an option, but after that it hung around at 34 MB permanently.  My leak detector VLD doesn't find anything (and it has been very observant in the past) when I load and save a game, but that game might not have the exact feature that's causing a problem if there is one.  If somebody has a save, or some DF sequence of commands, that they suspect isn't cleaning itself properly, I can take a look at it.

I'm beginning to suspect that my computer's just screwed up.  It's doing similar things to an older one I had, and that one turned out to have a slightly defective stick of RAM. 

I'll stick to bugs that aren't random crashes/freezes from now on, in order to avoid wasting your time on quirks of my own system (sorry).