On Fri, Feb 03, 2006 at 04:02:41PM +0100, Helge Hafting wrote: > There is a strange performance problem when displaying a lyx that is > running on another machine. (ADSL connection)
How fast is your ADSL? And is it the same both ways (A = Asymmetric)? I have a 256/256 kb ADSL (which thus != A) and don't remember seeing anything like this when logging in from job to home. But I didn't explicitly test, and cannot do so now. > Most editing operations are fine (writing text, deleting, scrolling) > there is no bandwith problem. But press enter so that a > new paragraph is created. This operation takes 6 seconds in my case! > > The network gets busy for the 6 seconds, I have no idea what happens. > > It is not a case of too much work scrolling half of the display, for simply > writing so much text that the existing paragraph breaks into > several lines is not a problem at all. Also, grabbing the > scrollbar and rolling through the document is fine. That is weird... if it was about whole-screen refresh, these operations should be slow too. > It is just these operations that take everlasting 6 seconds: > * Press enter to split a paragraph (or create a blank one) > * Press backspace so as to delete a paragraph > boundary, merging two paragraphs > * Let the cursor leave an empty paragraph so lyx auto-destroys it. > * Cutting/pasting an entire paragraph. Cutting/pasting the same amount > if text inside a single bigger paragraph is not a proble, > > Clearly, something strange and unnecessary happens over the network > when the number of paragraphs change. And it don't look like something > that can be blamed on qt either. Just to make sure: same document locally is fast? And are there any differences between client and server installation (X?) that could explain this? > The document is 15 pages, and "view dvi" is actually faster than "enter" > when working over the net. > > Want a bugzilla report, or is this a known issue? Not to me it isn't. - Martin
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