Originally posted by siavashserver
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LibreOffice Receives Better OpenGL Rendering Support
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Originally posted by slacka View Post
And you reported this on the bug tracker? Or just just complain on random Internet forums where nothing will be done about it? I've reported several bugs, and surprisingly they've already fixed more than 1/2 of them. In fact of all the open source software projects that I've reported issues on, LibreOffice has the best track record for responding and fixing.
note that until this i never understood people claiming same fact when comparing LO Calc with excel. this slowness is something you see everywhere where people compare excel and LO. and my biggest spreadsheet was maybe 30x30 until thenLast edited by justmy2cents; 09 April 2016, 04:34 PM.
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Originally posted by justmy2cents View Postit would be much better if they focused on rendering speed. i almost had heart attack when i saw how Calc performs on large spreadsheets. imported CSV with around 2000 columns and 250 rows... god, was that slow. i had 5 sec timeouts on editing
imported same thing in Gnumeric and damn thing was flying faster than editing 3 cells in Calc. funny thing is that Writer does well even on extra large documents, just Calc is dog slow, so it might not be the renderer in question
i wouldn't really even call 2000x250 large spreadsheet
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Originally posted by Linuxhippy View PostThis is good news, the initial OpenGL support was rather basic and almost all rendering was done through a few basic routines.
The current code seems far more advanced (shaders for antialiased rendering, batched rendering for text, ...),
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Oh wow.. Michael noticed my commits - I didn't expect that. What he didn't notice is that this is only implemented for text rendering on Windows for now (Linux still needs to be adopted).
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Originally posted by microcode View Post
Surely you don't think that that's normal performance. This is the spreadsheet application which has OpenCL support; I think you just encountered a bug.
i get same low perf on 3 computers with completely different hw (1 nvidia, 1 amd, 1 intel). 2 running fedora 23 and one 22. Gnumeric scrolls on same data lightning fastLast edited by justmy2cents; 08 April 2016, 09:33 PM.
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Originally posted by justmy2cents View Postit would be much better if they focused on rendering speed. i almost had heart attack when i saw how Calc performs on large spreadsheets. imported CSV with around 2000 columns and 250 rows... god, was that slow. i had 5 sec timeouts on editing
imported same thing in Gnumeric and damn thing was flying faster than editing 3 cells in Calc. funny thing is that Writer does well even on extra large documents, just Calc is dog slow, so it might not be the renderer in question
i wouldn't really even call 2000x250 large spreadsheet
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it would be much better if they focused on rendering speed. i almost had heart attack when i saw how Calc performs on large spreadsheets. imported CSV with around 2000 columns and 250 rows... god, was that slow. i had 5 sec timeouts on editing
imported same thing in Gnumeric and damn thing was flying faster than editing 3 cells in Calc. funny thing is that Writer does well even on extra large documents, just Calc is dog slow, so it might not be the renderer in question
i wouldn't really even call 2000x250 large spreadsheet
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This is good news, the initial OpenGL support was rather basic and almost all rendering was done through a few basic routines.
The current code seems far more advanced (shaders for antialiased rendering, batched rendering for text, ...),
Actually I find it quite brave of the LibreOffice guys to go for OpenGL on all platforms, compared to Chrome/FireFox/Java/etc which all use Direct3D/Direct2D backends on Windows.
This for sure will give the quality of OpenGL drivers a little (but very welcome!) boost regarding implementation quality.
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