Did you try this one? delete canvas; Maybe that will force garbage collection or decrease the usage anyhow.
☆PhistucK On Mon, Jan 11, 2010 at 12:12, Harold Chan <cmkgr...@gmail.com> wrote: > I am trying to develop an extension which uses HTML5 canvas for > resizing images. When I try to put an image data URL to it and ask it > to return another data URL after resizing, it may increase the memory > usage a lot (depending on the image). When I try to remove the element > by canvas = null, the usage does not decrease. > > I have several questions to ask: > > 1. is the cost of using canvas to resize image very large? > 2. is there any other way to resize image and return new data url > other than using canvas? > 3. when i use canvas=null, does it mean that the javascript engine > will clean it? (i cannot see any GC related to that) > 4. is there any way to force the chrome js engine to do Garbage > Collection? > 5. in task manger of chrome. is the memory usage shown only caused by > the extension alone, not sharing the memory with the pages/chrome? > > -- > You received this message because you are subscribed to the Google Groups > "Chromium-extensions" group. > To post to this group, send email to chromium-extensi...@googlegroups.com. > To unsubscribe from this group, send email to > chromium-extensions+unsubscr...@googlegroups.com<chromium-extensions%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/chromium-extensions?hl=en. > > > >--
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