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Difference between revisions of "v0.34:System requirements"

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''If you're looking for information on improving the performance of Dwarf Fortress on your computer, see [[Maximizing framerate|Maximizing Framerate]].  For installation instructions, see [[Installation]].''
 
''If you're looking for information on improving the performance of Dwarf Fortress on your computer, see [[Maximizing framerate|Maximizing Framerate]].  For installation instructions, see [[Installation]].''
−
 
−
__TOC__
 
  
 
== OS ==
 
== OS ==
Line 16: Line 13:
 
== RAM ==
 
== RAM ==
  
−
DF is not particularly RAM-hungry. Expect the process to allocate between 300 and 700 MB with medium regions. With 512MB you may be a bit on the short side, but 1 GB is absolutely sufficient. World Generation can eat up far more than that - it's possible to encounter crashes due to being out of memory. In particular major areas for this to occur are during history, final touches in finalizing sites, and while saving. This is especially problematic with unusual generator configurations, such as worlds with large numbers of megabeasts, caves, civilizations, high or non-existant site and population limits, and very lengthy histories. User-made modifications can also increase the requirements, depending on their nature. Otherwise the influence of RAM on game speed is limited, as DF is not loading and offloading big chunks of data much.
+
DF is not particularly RAM-hungry. Expect the process to allocate between 300 and 700 MB with medium regions. With 512MB you may be a bit on the short side, but 1 GB is absolutely sufficient. World Generation can eat up far more than that - it's possible to encounter crashes due to being out of memory. In particular major areas for this to occur are during history, final touches in finalizing sites, and while saving. This is especially problematic with unusual generator configurations, such as worlds with large numbers of megabeasts, caves, civilizations, high or non-existent site and population limits, and very lengthy histories. User-made modifications can also increase the requirements, depending on their nature.
 +
 
 +
The most important thing to the performance of the game, however, is undoubtedly RAM ''latency''—the amount of lag the RAM has when working. Dwarf Fortress works the RAM every single frame for every single creature, every single item, every single piece of liquid, the temperature of every tile—you get the picture. The gigantic amount of operations working at the same time—which any current processor could handle much faster than what you see—is primarily bottlenecked by RAM latency and RAM speed.
  
−
There are no detailed requirements per se.  However, because simply saying the more RAM you have and the faster your CPU is the better is not all that helpful, we would like to get some bearings on how DF performs on different computers - such as your own.  (Please note that ‘fast game-play’ and ‘slow game-play’ are subjective terms and not intended to relay anything specific or exact. What may be fast to one person might be slow to another). It's also essential that you mention the state of your fortress - how many dwarves there are, animals, terrain, speedups, and so forth.
+
CPU and FPS are mildly correlated, but this correlation has been attributed as a non-causative one. Rather, newer CPUs seem to come with faster RAM, but for the purpose of a Dwarf Fortress computer, RAM is more important.
  
−
== What is SDL and Legacy version difference? ==
+
== SDL vs. Legacy ==
−
SDL is a cross-platform application framework. The SDL version of DF uses that framework and so runs on mac and linux, along with including Baughn's new opengl code, which should be faster, allows png files for tilesets, zooming with the mousewheel, etc. The SDL version is quite new, so isn't proven yet. It's also being actively worked on, getting features like "separate files for graphics and font", and true-type font support.
+
[http://www.libsdl.org/ SDL] is a cross-platform application framework. The SDL version of DF runs on Windows, Mac OS X, and Linux. It includes Baughn's new OpenGL code, which is faster and has more features (including support for PNG tilesets and using scroll wheels).
  
−
Legacy is Toady's old code, only kept in case the SDL version doesn't work for someone. There is no legacy version for mac or linux.
+
"Legacy" refers to the (Windows-only) framework Toady used before migrating to SDL. The legacy version is only necessary if the SDL version doesn't work for some reason.
  
 
== Experiential reports ==
 
== Experiential reports ==
 
=== Report format ===
 
=== Report format ===
−
Please read [[v0.31:System_requirements/Report_Template | the report template]] page before contributing any reports
+
Please read [[System_requirements/Report_Template|the report template]] page before contributing any reports.
−
Since worldgen has changed significantly, and a new interactions system has been brought into play, [[v0.31:System_requirements#Reports | older reports]] are probably not as accurate, but still seem reasonably close to current play.
 
  
 
=== Reports ===
 
=== Reports ===
 +
 +
Configuration type: Self-built PC from 2008
 +
;Game info
 +
:Game version: v0.34.07
 +
:World size: Small
 +
:Embark size: 4x4
 +
:Age of fort: 1 year
 +
:Number of dwarves: 15
 +
:Average fps: 100
 +
:Default/nondefault raws: default
 +
:Tileset in use: Mayday
 +
:Amount of stone dug: ~3000
 +
:Amount of water and state: About 15 murky pools, no river or stream
 +
:Approximate amount of z-levels: 10
 +
:RAM usage of game: 622 Mb
 +
:Draw mode in init.txt: 2D
 +
 +
;PC info
 +
:CPU: Intel Core2Quad Q6600 @ 2,4Ghz
 +
:MBO: Gigabyte P35-DS3L
 +
:RAM: 4Gb DDR2 @ 800Mhz
 +
:GPU: Gigabyte Radeon HD5850
 +
:OS: Windows 7 Professional x64
  
 
----
 
----
 +
 +
Configuration type: Self-built PC from 2012
 +
;Game info
 +
:Game version: v0.34.11
 +
:World size: Small
 +
:Embark size: 4x4
 +
:Age of fort: 8 years
 +
:Number of dwarves: 232
 +
:Average fps: 78
 +
:Default/nondefault raws: default
 +
:Tileset in use: Mayday
 +
:Amount of stone dug: ~1100
 +
:Amount of water and state: Frozen river, frozen murky pools, two artifical-made underground rivers
 +
:Approximate amount of z-levels: 8
 +
:RAM usage of game: 765 Mb
 +
:Draw mode in init.txt: 2D
 +
 +
;PC info
 +
:CPU: Intel Core i5 3570K @ 3,4 Ghz
 +
:MBO: ASUS P8Z77-M PRO
 +
:RAM: 8Gb DDR3 @ 1600Mhz
 +
:GPU: Gigabyte Radeon HD5850
 +
:OS: Windows 7 Professional x64
 +
 +
----
 +
 +
Configuration type: Self-built PC from 2012
 +
;Game info
 +
:Game version: v0.34.11
 +
:World size: Small
 +
:Embark size: 4x4
 +
:Age of fort: 2 years
 +
:Number of dwarves: 98
 +
:Average fps: ~250
 +
:Default/nondefault raws: default
 +
:Tileset in use: Mayday
 +
:Amount of stone dug: ~1900
 +
:Amount of water and state: Frozen river, Frozen Pools
 +
:Approximate amount of z-levels: 9
 +
:RAM usage of game: 834 Mb
 +
:Draw mode in init.txt: 2D
 +
 +
;PC info
 +
:CPU: Amd Fx-8350 @ 4,8 Ghz
 +
:MBO: Gigabyte GA-990FXA-UD5
 +
:RAM: 16 GB DDR3 @ 1866 Mhz
 +
:GPU: Sapphire Hd 7970 Ghz Vapor X
 +
:OS: Windows 7 Professional x64

Latest revision as of 23:06, 8 April 2014

xTATTEREDx  · +FINE+  · *SUPERIOR*  · ≡EXCEPTIONAL≡  · ☼MASTERWORK☼
v50.14 · v0.47 · v0.34.11 · v0.31 · v0.28 · v0.23
This article is about an older version of DF.

If you're looking for information on improving the performance of Dwarf Fortress on your computer, see Maximizing Framerate. For installation instructions, see Installation.

OS[edit]

  • Windows requires XP SP3 or newer.
  • Linux runs natively or using Wine.
  • Mac needs Intel chip.

Note: The 40d article has detailed info on Non-Windows OS' that is probably mostly still valid.

RAM[edit]

DF is not particularly RAM-hungry. Expect the process to allocate between 300 and 700 MB with medium regions. With 512MB you may be a bit on the short side, but 1 GB is absolutely sufficient. World Generation can eat up far more than that - it's possible to encounter crashes due to being out of memory. In particular major areas for this to occur are during history, final touches in finalizing sites, and while saving. This is especially problematic with unusual generator configurations, such as worlds with large numbers of megabeasts, caves, civilizations, high or non-existent site and population limits, and very lengthy histories. User-made modifications can also increase the requirements, depending on their nature.

The most important thing to the performance of the game, however, is undoubtedly RAM latency—the amount of lag the RAM has when working. Dwarf Fortress works the RAM every single frame for every single creature, every single item, every single piece of liquid, the temperature of every tile—you get the picture. The gigantic amount of operations working at the same time—which any current processor could handle much faster than what you see—is primarily bottlenecked by RAM latency and RAM speed.

CPU and FPS are mildly correlated, but this correlation has been attributed as a non-causative one. Rather, newer CPUs seem to come with faster RAM, but for the purpose of a Dwarf Fortress computer, RAM is more important.

SDL vs. Legacy[edit]

SDL is a cross-platform application framework. The SDL version of DF runs on Windows, Mac OS X, and Linux. It includes Baughn's new OpenGL code, which is faster and has more features (including support for PNG tilesets and using scroll wheels).

"Legacy" refers to the (Windows-only) framework Toady used before migrating to SDL. The legacy version is only necessary if the SDL version doesn't work for some reason.

Experiential reports[edit]

Report format[edit]

Please read the report template page before contributing any reports.

Reports[edit]

Configuration type: Self-built PC from 2008

Game info
Game version: v0.34.07
World size: Small
Embark size: 4x4
Age of fort: 1 year
Number of dwarves: 15
Average fps: 100
Default/nondefault raws: default
Tileset in use: Mayday
Amount of stone dug: ~3000
Amount of water and state: About 15 murky pools, no river or stream
Approximate amount of z-levels: 10
RAM usage of game: 622 Mb
Draw mode in init.txt: 2D
PC info
CPU: Intel Core2Quad Q6600 @ 2,4Ghz
MBO: Gigabyte P35-DS3L
RAM: 4Gb DDR2 @ 800Mhz
GPU: Gigabyte Radeon HD5850
OS: Windows 7 Professional x64

Configuration type: Self-built PC from 2012

Game info
Game version: v0.34.11
World size: Small
Embark size: 4x4
Age of fort: 8 years
Number of dwarves: 232
Average fps: 78
Default/nondefault raws: default
Tileset in use: Mayday
Amount of stone dug: ~1100
Amount of water and state: Frozen river, frozen murky pools, two artifical-made underground rivers
Approximate amount of z-levels: 8
RAM usage of game: 765 Mb
Draw mode in init.txt: 2D
PC info
CPU: Intel Core i5 3570K @ 3,4 Ghz
MBO: ASUS P8Z77-M PRO
RAM: 8Gb DDR3 @ 1600Mhz
GPU: Gigabyte Radeon HD5850
OS: Windows 7 Professional x64

Configuration type: Self-built PC from 2012

Game info
Game version: v0.34.11
World size: Small
Embark size: 4x4
Age of fort: 2 years
Number of dwarves: 98
Average fps: ~250
Default/nondefault raws: default
Tileset in use: Mayday
Amount of stone dug: ~1900
Amount of water and state: Frozen river, Frozen Pools
Approximate amount of z-levels: 9
RAM usage of game: 834 Mb
Draw mode in init.txt: 2D
PC info
CPU: Amd Fx-8350 @ 4,8 Ghz
MBO: Gigabyte GA-990FXA-UD5
RAM: 16 GB DDR3 @ 1866 Mhz
GPU: Sapphire Hd 7970 Ghz Vapor X
OS: Windows 7 Professional x64
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