# HG changeset patch # User wenzelm # Date 1511773457 -3600 # Node ID d7b3876d3ab1d746321c15cd859f95c0841ac24d # Parent 1393c2340eec2eeff8b2859dee02e02d295392b4 updated documentation: JVM is always 64bit; diff -r 1393c2340eec -r d7b3876d3ab1 src/Doc/JEdit/JEdit.thy --- a/src/Doc/JEdit/JEdit.thy Sun Nov 26 21:08:32 2017 +0100 +++ b/src/Doc/JEdit/JEdit.thy Mon Nov 27 10:04:17 2017 +0100 @@ -2145,19 +2145,9 @@ \<^item> \<^bold>\Problem:\ Heap space of the JVM may fill up and render the Prover IDE unresponsive, e.g.\ when editing big Isabelle sessions with many theories. - \<^bold>\Workaround:\ On a 64bit platform, ensure that the JVM runs in 64bit mode, - but the Isabelle/ML process remains in 32bit mode! Do not switch Isabelle/ML - into 64bit mode in the expectation to be ``more efficient'' --- this - requires 16--32\,GB to make sense. - - For the JVM, always use the 64bit version. That is the default on all - platforms, except for Windows: the standard download is for win32, but there - is a separate download for win64. This implicitly provides a larger default - heap for the JVM. - - Moreover, it is possible to increase JVM heap parameters explicitly, by - editing platform-specific files (for ``properties'' or ``options'') that are - associated with the main app bundle. + \<^bold>\Workaround:\ Increase JVM heap parameters by editing platform-specific + files (for ``properties'' or ``options'') that are associated with the main + app bundle. Also note that jEdit provides a heap space monitor in the status line (bottom-right). Double-clicking on that causes full garbage-collection,