[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Eclipse: the new Emacs? (and the XML story)
On Tue, Apr 06, 2004 at 08:01:42AM -0400, Mark Schmeets wrote: > I have not tried xmlbuddy, but all of the xml editors I have tried, > including oXygen ( and the Win32 ones XMLSpy, XMLNotepad, etc. ) exhibit > this behavior. Using RAM at 10 to 12 times the size of the document on > disk. I have always assumed it was because the were using DOM's > internally, and that the > DOM implementations were memory hogs. Any one have any wisdom to share here? Have you tested how the density of tags to text affects this? I remember that with SoftQuad Author/Editor (in SGML days), the overhead per element was significant, but text averaged not so much more than disk overhead. Systems using 16-bit characters internally to represent Unicode text will do slightly worse than using twice as much memory as disk space for text that's mostly US ASCII. For Java-based software, the JVM you use may also make a difference, although my experience (mostly on Linux) has been that the non-Sun JVMs don't actually run much software I want to run. Liam -- Liam Quin, W3C XML Activity Lead, http://www.w3.org/People/Quin/ http://www.holoweb.net/~liam/
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