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We have several reports of significant speedups from increasing the Java memory size. Move up to 512M.

This commit is contained in:
Mike Pope 2011-07-14 09:07:37 +00:00
parent 204e6b31dd
commit d9a1739add
3 changed files with 8 additions and 7 deletions
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9
doc/FreeCol.tex
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@ -202,7 +202,8 @@ Linux, using Java 6 is recommended, as its font rendering is much
better. If you are using FreeCol on a different platform, we would
like to hear about it.
FreeCol requires at least 256 MB memory and works best with a screen
FreeCol requires at least 256 MB memory, although some systems slow
down badly and require 512MB. FreeCol works best with a screen
resolution of at least 1024x768 pixels. It should also be possible to
play the game with a screen resolution of 1024x600 pixels, although
some panels will look a bit cramped. You can play the game with an
@ -236,7 +237,7 @@ In order to compile FreeCol you will need Java and
\href{http://ant.apache.org/}{the Ant build system}. When these are
installed, go to the root directory of FreeCol and type \verb$ant$ to
build a JAR file containing the game. The game is started using the
command \verb$java -Xmx256M -jar FreeCol.jar$.
command \verb$java -Xmx512M -jar FreeCol.jar$.
If something goes wrong, please open a bug report at the
\href{http://sourceforge.net/projects/freecol}{SourceForge page of
@ -264,9 +265,9 @@ paragraphs.
\hypertarget{Command line options}{\subsection{Command line options}}
If you are in the directory in which FreeCol is installed, you can
start the game with the command \verb$java -Xmx256M -jar FreeCol.jar$.
start the game with the command \verb$java -Xmx512M -jar FreeCol.jar$.
This will tell the Virtual Machine to load the game and to set the
maximum heap size to 256 MB. Refer to the manual of your Java Virtual
maximum heap size to 512 MB. Refer to the manual of your Java Virtual
Machine for details.
There are many other Java options, but you probably won't need to

4
packaging/common/README
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@ -51,10 +51,10 @@ the directory where you executed the 'ant' command (in case you
downloaded the source package).
Make sure the file named 'FreeCol.jar' is in your current directory.
Execute the command 'java -Xmx256M -jar FreeCol.jar'
Execute the command 'java -Xmx512M -jar FreeCol.jar'
Windows users may need to execute
'java -Xmx256M -cp . -jar FreeCol.jar'
'java -Xmx512M -cp . -jar FreeCol.jar'
In case the command could not be found, check your Java installation
and make sure that the java (*nix) or java.exe (Windows) file is in

2
packaging/common/freecol
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@ -1,3 +1,3 @@
#!/bin/sh
java -Xmx256M -jar FreeCol.jar $1 $2 $3 $4 $5 $6 $7 $8 $9
java -Xmx512M -jar FreeCol.jar $1 $2 $3 $4 $5 $6 $7 $8 $9