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LibreOffice Calc Is Finally Being Threaded

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  • LibreOffice Calc Is Finally Being Threaded

    Phoronix: LibreOffice Calc Is Finally Being Threaded

    While LibreOffice Calc for a while now has been offering OpenCL support for speeding up spreadsheet computations, with not all drivers/GPUs supporting OpenCL, this Microsoft Office alternative is finally receiving proper multi-threading support...

    http://www.phoronix.com/scan.php?pag...Calc-Threading

  • #2
    I'm not up to par with how and why they implemented OpenCL first but given my experience with GPGPU I find that curious. OpenCL should be harder to implement than regular multi-threading, specially if using OpenMP. I don't know why they chose to go with OpenCL first.

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    • #3
      As long as it works, good job.

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      • #4
        Only Calc? I find LibreOffice to be slow when moving around large shapes or photos, or when you have a lot of them in a presentation file. I wonder if that's due to a lack of multithreading...

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        • #5
          just hope they also remove all java code from Libreoffice, this will also help make things faster

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          • #6
            With me OpenCL in Calc is broken, even on Windows, last time I checked.

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            • #7
              Originally posted by wdb974 View Post
              Only Calc? I find LibreOffice to be slow when moving around large shapes or photos, or when you have a lot of them in a presentation file. I wonder if that's due to a lack of multithreading...
              I think there is already some degree of threading in those cases, this is specifically referring to threading the spreadsheet expression interpreter. What you're seeing is just a performance issue with that specific use case, there's no reason threading should even be required to perform a direct interaction with an object like that without dropping frames.

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              • #8
                Since I updated to version 5.4.3.2, it's almost impossible to use calc, it is hanging when I do simple operations with csv files, like selecting 3 columns do delete them on 100k lines files, which I could do easily on ~500k lines files before

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                • #9
                  Originally posted by dante View Post
                  just hope they also remove all java code from Libreoffice, this will also help make things faster
                  There are Java only in Base now

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                  • #10
                    Originally posted by wdb974 View Post
                    Only Calc? I find LibreOffice to be slow when moving around large shapes or photos, or when you have a lot of them in a presentation file. I wonder if that's due to a lack of multithreading...
                    No, it's not due to lack of multi-threading.

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