You can start MATLAB with a number of flags one of which is -nojvm which starts MATLAB without the Java virtual machine. One of the obvious effects of -nojvm is that there is no desktop, but you can get that with the -nodesktop and/or -nodisplay flags. What are the advantages and disadvantages of starting MATLAB without the JVM?
The type of things I am interested in are effects of -nojvm beyond the effects you get with -nodesktop and -nodisplay. For example, if you use -nojvm then the SOUND function uses alternative code.
Some open question that I do not know the answers to are Is the JVM needed for importing java objects? Does JIT acceleration require the JVM? Does multithreading work without the JVM? What type of applications go faster without the JVM?
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the -nodesktop starts MATLAB without bringing up the MATLAB desktop. The JVM software is started. Use the current window in the operating system to enter commands. * Will still work with graphics (you can use the plot commands)*
-nodisplay: also starts the JVM and does not start the desktop in addition it also ignores Commands and the DISPLAY environment variable in LINUX. (will not work with graphics because of X limitations I presume)
-nojvm does not start the JVM software and uses current window. Graaphics will not work without the JVM
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