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Looking for SVG that was/is slow in Firefox

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  • Jonathan Watt
    To help move the performance of Firefox s SVG implementation forward I m looking for as many examples of SVG out there as possible where: a) Firefox
    Message 1 of 17 , Oct 29, 2013
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      To help move the performance of Firefox's SVG implementation forward I'm looking
      for as many examples of SVG out there as possible where:

      a) Firefox performance improved in the last year or so, or

      b) Firefox performance still sucks (or lags behind other browsers)

      Anyone out there care to contribute links? If we can get together a good list it
      would really help us (the Mozilla SVG team) to figure out what we should prioritize.
    • yannick.bochatay@...
      Hi Jonathan, I think dealing with the pathSegList property in javascript is most detrimental for me. Yannick ... De: Jonathan Watt À:
      Message 2 of 17 , Oct 30, 2013
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        Hi Jonathan,
        I think dealing with the pathSegList property in javascript is most detrimental for me.
        Yannick

        ----- Mail original -----
        De: "Jonathan Watt" <jwatt@...>
        À: svg-developers@yahoogroups.com
        Envoyé: Mercredi 30 Octobre 2013 03:26:14
        Objet: [svg-developers] Looking for SVG that was/is slow in Firefox






        To help move the performance of Firefox's SVG implementation forward I'm looking
        for as many examples of SVG out there as possible where:

        a) Firefox performance improved in the last year or so, or

        b) Firefox performance still sucks (or lags behind other browsers)

        Anyone out there care to contribute links? If we can get together a good list it
        would really help us (the Mozilla SVG team) to figure out what we should prioritize.
      • Jonathan Watt
        Hi Yannick, Do you have a link to an example? In order to debug the issues that you re encountering it would be best to have an actual example. Jonathan
        Message 3 of 17 , Oct 30, 2013
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          Hi Yannick,

          Do you have a link to an example? In order to debug the issues that you're
          encountering it would be best to have an actual example.

          Jonathan

          On 30/10/2013 09:40, yannick.bochatay@... wrote:
          > Hi Jonathan,
          > I think dealing with the pathSegList property in javascript is most detrimental
          > for me.
          > Yannick
          >
          > ----- Mail original -----
          > De: "Jonathan Watt" <jwatt@...>
          > À: svg-developers@yahoogroups.com
          > Envoyé: Mercredi 30 Octobre 2013 03:26:14
          > Objet: [svg-developers] Looking for SVG that was/is slow in Firefox
          >
          > To help move the performance of Firefox's SVG implementation forward I'm looking
          > for as many examples of SVG out there as possible where:
          >
          > a) Firefox performance improved in the last year or so, or
          >
          > b) Firefox performance still sucks (or lags behind other browsers)
          >
          > Anyone out there care to contribute links? If we can get together a good list it
          > would really help us (the Mozilla SVG team) to figure out what we should
          > prioritize.
          >
        • yannick.bochatay@...
          I just wrote a small example : http://jsfiddle.net/ybochatay/fyaBZ/ On my computer, Google Chrome takes about 5ms to execute it, IE9 about 10ms, Opera 12ms,
          Message 4 of 17 , Oct 30, 2013
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            I just wrote a small example :
            http://jsfiddle.net/ybochatay/fyaBZ/

            On my computer, Google Chrome takes about 5ms to execute it, IE9 about 10ms, Opera 12ms, and Firefox (25) never less than 21ms.
            I'll try to give you more examples soon.
            Yannick

            ----- Mail original -----
            De: "Jonathan Watt" <jwatt@...>
            À: svg-developers@yahoogroups.com
            Envoyé: Mercredi 30 Octobre 2013 11:56:37
            Objet: Re: [svg-developers] Looking for SVG that was/is slow in Firefox






            Hi Yannick,

            Do you have a link to an example? In order to debug the issues that you're
            encountering it would be best to have an actual example.

            Jonathan

            On 30/10/2013 09:40, yannick.bochatay@... wrote:
            > Hi Jonathan,
            > I think dealing with the pathSegList property in javascript is most detrimental
            > for me.
            > Yannick
            >
            > ----- Mail original -----
            > De: "Jonathan Watt" <jwatt@...>
            > À: svg-developers@yahoogroups.com
            > Envoyé: Mercredi 30 Octobre 2013 03:26:14
            > Objet: [svg-developers] Looking for SVG that was/is slow in Firefox
            >
            > To help move the performance of Firefox's SVG implementation forward I'm looking
            > for as many examples of SVG out there as possible where:
            >
            > a) Firefox performance improved in the last year or so, or
            >
            > b) Firefox performance still sucks (or lags behind other browsers)
            >
            > Anyone out there care to contribute links? If we can get together a good list it
            > would really help us (the Mozilla SVG team) to figure out what we should
            > prioritize.
            >
          • yannick.bochatay@...
            Actually I found a worse problem : the getPointAtLength method. The same example with a call of getPointAtLength in the loop and Firefox takes 320ms to execute
            Message 5 of 17 , Oct 30, 2013
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              Actually I found a worse problem : the getPointAtLength method.
              The same example with a call of getPointAtLength in the loop and Firefox takes 320ms to execute it.
              Chrome takes 8ms ! IE9 210ms and Opera 130ms.
              http://jsfiddle.net/ybochatay/fyaBZ/1/

              Yannick

              ----- Mail original -----
              De: "yannick bochatay" <yannick.bochatay@...>
              À: svg-developers@yahoogroups.com
              Envoyé: Mercredi 30 Octobre 2013 12:44:09
              Objet: Re: [svg-developers] Looking for SVG that was/is slow in Firefox






              I just wrote a small example :
              http://jsfiddle.net/ybochatay/fyaBZ/

              On my computer, Google Chrome takes about 5ms to execute it, IE9 about 10ms, Opera 12ms, and Firefox (25) never less than 21ms.
              I'll try to give you more examples soon.
              Yannick

              ----- Mail original -----
              De: "Jonathan Watt" <jwatt@...>
              À: svg-developers@yahoogroups.com
              Envoyé: Mercredi 30 Octobre 2013 11:56:37
              Objet: Re: [svg-developers] Looking for SVG that was/is slow in Firefox

              Hi Yannick,

              Do you have a link to an example? In order to debug the issues that you're
              encountering it would be best to have an actual example.

              Jonathan

              On 30/10/2013 09:40, yannick.bochatay@... wrote:
              > Hi Jonathan,
              > I think dealing with the pathSegList property in javascript is most detrimental
              > for me.
              > Yannick
              >
              > ----- Mail original -----
              > De: "Jonathan Watt" <jwatt@...>
              > À: svg-developers@yahoogroups.com
              > Envoyé: Mercredi 30 Octobre 2013 03:26:14
              > Objet: [svg-developers] Looking for SVG that was/is slow in Firefox
              >
              > To help move the performance of Firefox's SVG implementation forward I'm looking
              > for as many examples of SVG out there as possible where:
              >
              > a) Firefox performance improved in the last year or so, or
              >
              > b) Firefox performance still sucks (or lags behind other browsers)
              >
              > Anyone out there care to contribute links? If we can get together a good list it
              > would really help us (the Mozilla SVG team) to figure out what we should
              > prioritize.
              >
            • Joe Doll
              Hi Johnathan, We have a website that builds SVG animations. We love Firefox for development. It is almost always the first browser in terms of functionality.
              Message 6 of 17 , Oct 30, 2013
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                Hi Johnathan,

                We have a website that builds SVG animations. We love Firefox for development. It is almost always the first browser in terms of functionality. It animates slower and choppier than Chrome, however. The animations on this site are with SMIL tags, but they demonstrate the principle.

                   http://www.pac-n-zoom.com/

                We have moved to javascript, and I think the follow link is to a javascript animation that our app built.

                https://dl.dropboxusercontent.com/u/97250186/anim_legalize_shemp_js_1019sm.svg


                The javascript animates slower and more choppy in Firefox than in other browsers (e.g., Chrome or IE9).


                 


              • fhemsher
                Hi Jonathon, YES! I am currently much frustrated by Firefox s poor performance in mouswheel zoom for svg. for one of my sites. So, I will cut a segment from my
                Message 7 of 17 , Oct 30, 2013
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                  Hi Jonathon,

                  YES! I am currently much frustrated by Firefox's poor performance in mouswheel zoom for svg. for one of my sites. So, I will cut a segment from my app that clearly demonstrates  this so it can  be evaluated.. I'll put it online...give me a day or two. I'll be glad to work with you to fix this.

                  Regards,

                  Francis




                  ---In svg-developers@yahoogroups.com, <svg-developers@yahoogroups.com> wrote:

                  To help move the performance of Firefox's SVG implementation forward I'm looking
                  for as many examples of SVG out there as possible where:

                  a) Firefox performance improved in the last year or so, or

                  b) Firefox performance still sucks (or lags behind other browsers)

                  Anyone out there care to contribute links? If we can get together a good list it
                  would really help us (the Mozilla SVG team) to figure out what we should prioritize.
                • scalablev
                  Here s one for category b: https://bugzilla.mozilla.org/show_bug.cgi?id=609361 ... To help move the performance of Firefox s SVG implementation forward I m
                  Message 8 of 17 , Oct 30, 2013
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                    Here's one for category b:


                    https://bugzilla.mozilla.org/show_bug.cgi?id=609361



                    ---In svg-developers@yahoogroups.com, <jwatt@...> wrote:

                    To help move the performance of Firefox's SVG implementation forward I'm looking
                    for as many examples of SVG out there as possible where:

                    a) Firefox performance improved in the last year or so, or

                    b) Firefox performance still sucks (or lags behind other browsers)

                    Anyone out there care to contribute links? If we can get together a good list it
                    would really help us (the Mozilla SVG team) to figure out what we should prioritize.
                  • honyk
                    ... Scrolling of complex graphics is very slow: http://drifted.in/horologium-app/ (to scroll the main area - clock - down when displayed on wide sreen) Also
                    Message 9 of 17 , Oct 30, 2013
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                      On 2013-10-30 Jonathan Watt wrote:
                      > I'm looking for as many examples of SVG out there as possible where:
                      > ...
                      > b) Firefox performance still sucks (or lags behind other browsers)

                      Scrolling of complex graphics is very slow:
                      http://drifted.in/horologium-app/
                      (to scroll the main area - clock - down when displayed on wide sreen)

                      Also the response of DOM manipulation (when adjusting time sliders) falls
                      behind IE.

                      Btw that greenish aura is
                      https://bugzilla.mozilla.org/show_bug.cgi?id=812795

                      hth, Jan
                    • James Churchman
                      Hi Jonathan Firstly thanks for all your good work you and your team have spent getting svg into firefox! svg is such a break threw in so many ways for web
                      Message 10 of 17 , Oct 30, 2013
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                        Hi Jonathan

                        Firstly thanks for all your good work you and your team have spent getting svg into firefox! svg is such a break threw in so many ways for web design it's great to see it gaining cross platform support.. 

                        I am building a svg heavy app ( browser vector software ) and at the moment it will never run in firefox, the reason being firefox does not support FeImage for importing svg shapes into a filter using a xlink. 

                        Here is the bug request relating to FeImage dating 2008  


                        For me this opens up the entire world of filters as i can import shapes, build up masks, unusual gradients & fill effects and much much more within the filters & i believe this has been in all browsers including IE for a very long time.


                        So my top request would be to support this feature. Any further performance improvements would be hugely appreciated & i will try test the parts of my app not dependant on this ( in both FF desktop and on mobile) to see if i hit any major slowdowns in FF vs the others 

                        Best regards & many thanks

                        James



                        On 30 October 2013 21:37, honyk <j.tosovsky@...> wrote:
                         

                        On 2013-10-30 Jonathan Watt wrote:
                        > I'm looking for as many examples of SVG out there as possible where:
                        > ...

                        > b) Firefox performance still sucks (or lags behind other browsers)

                        Scrolling of complex graphics is very slow:
                        http://drifted.in/horologium-app/
                        (to scroll the main area - clock - down when displayed on wide sreen)

                        Also the response of DOM manipulation (when adjusting time sliders) falls
                        behind IE.

                        Btw that greenish aura is
                        https://bugzilla.mozilla.org/show_bug.cgi?id=812795

                        hth, Jan


                      • Peter Schonefeld
                        Hi Jonathan, I notice that the speed of the js in Firefox has improved recently. I had some browser conditional on the box2d example (hokusai physical
                        Message 11 of 17 , Oct 31, 2013
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                          Hi Jonathan, I notice that the speed of the js in Firefox has improved recently. I had some browser conditional on the box2d example (hokusai physical attraction) at http://vectorshapes.com because there was too much lag in FF, removed that tonight and is running much smoother which is great!

                          +1 for James' suggestion that the missing feImage support is important. As an example, the tiltshift app at http://vectorshapes.com/0/#tiltshift relies on this filter primitive for alpha masking etc.  

                          Cheers
                          Pete


                          On Thu, Oct 31, 2013 at 9:14 AM, James Churchman <jameschurchman@...> wrote:
                           

                          Hi Jonathan

                          Firstly thanks for all your good work you and your team have spent getting svg into firefox! svg is such a break threw in so many ways for web design it's great to see it gaining cross platform support.. 

                          I am building a svg heavy app ( browser vector software ) and at the moment it will never run in firefox, the reason being firefox does not support FeImage for importing svg shapes into a filter using a xlink. 

                          Here is the bug request relating to FeImage dating 2008  


                          For me this opens up the entire world of filters as i can import shapes, build up masks, unusual gradients & fill effects and much much more within the filters & i believe this has been in all browsers including IE for a very long time.


                          So my top request would be to support this feature. Any further performance improvements would be hugely appreciated & i will try test the parts of my app not dependant on this ( in both FF desktop and on mobile) to see if i hit any major slowdowns in FF vs the others 

                          Best regards & many thanks

                          James



                          On 30 October 2013 21:37, honyk <j.tosovsky@...> wrote:
                           

                          On 2013-10-30 Jonathan Watt wrote:
                          > I'm looking for as many examples of SVG out there as possible where:
                          > ...

                          > b) Firefox performance still sucks (or lags behind other browsers)

                          Scrolling of complex graphics is very slow:
                          http://drifted.in/horologium-app/
                          (to scroll the main area - clock - down when displayed on wide sreen)

                          Also the response of DOM manipulation (when adjusting time sliders) falls
                          behind IE.

                          Btw that greenish aura is
                          https://bugzilla.mozilla.org/show_bug.cgi?id=812795

                          hth, Jan



                        • fhemsher
                          I placed a file online that shows the performance of mouse wheel zooming for IE/Chrome/FF. It is a compact world map with about 60 country paths and associated
                          Message 12 of 17 , Oct 31, 2013
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                             I placed a file online that shows the performance of mouse wheel zooming for IE/Chrome/FF.

                            It is a compact world map with about 60 country paths and associated names. It uses the  D3.behavior.zoom()

                            I have included the d3 script that relates to the mousewheel.

                            You will note that FF is clunky, where IE/Chrome run smooth as a baby's bottom.


                            See:

                            http://www.uuglemap.com/FireFox/mouseWheelFF.htm



                            ---In svg-developers@yahoogroups.com, <svg-developers@yahoogroups.com> wrote:

                            Hi Jonathon,

                            YES! I am currently much frustrated by Firefox's poor performance in mouswheel zoom for svg. for one of my sites. So, I will cut a segment from my app that clearly demonstrates  this so it can  be evaluated.. I'll put it online...give me a day or two. I'll be glad to work with you to fix this.

                            Regards,

                            Francis




                            ---In svg-developers@yahoogroups.com, <svg-developers@yahoogroups.com> wrote:

                            To help move the performance of Firefox's SVG implementation forward I'm looking
                            for as many examples of SVG out there as possible where:

                            a) Firefox performance improved in the last year or so, or

                            b) Firefox performance still sucks (or lags behind other browsers)

                            Anyone out there care to contribute links? If we can get together a good list it
                            would really help us (the Mozilla SVG team) to figure out what we should prioritize.
                          • yannick.bochatay@...
                            Hi, with my same example http://jsfiddle.net/ybochatay/fyaBZ/1/, you can check how slow the entire page becomes once the path is drawn. Yannick ... De:
                            Message 13 of 17 , Nov 2, 2013
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                              Hi,
                              with my same example http://jsfiddle.net/ybochatay/fyaBZ/1/, you can check how slow the entire page becomes once the path is drawn.
                              Yannick

                              ----- Mail original -----
                              De: "yannick bochatay" <yannick.bochatay@...>
                              À: svg-developers@yahoogroups.com
                              Envoyé: Mercredi 30 Octobre 2013 16:15:09
                              Objet: Re: [svg-developers] Looking for SVG that was/is slow in Firefox






                              Actually I found a worse problem : the getPointAtLength method.
                              The same example with a call of getPointAtLength in the loop and Firefox takes 320ms to execute it.
                              Chrome takes 8ms ! IE9 210ms and Opera 130ms.
                              http://jsfiddle.net/ybochatay/fyaBZ/1/

                              Yannick

                              ----- Mail original -----
                              De: "yannick bochatay" <yannick.bochatay@...>
                              À: svg-developers@yahoogroups.com
                              Envoyé: Mercredi 30 Octobre 2013 12:44:09
                              Objet: Re: [svg-developers] Looking for SVG that was/is slow in Firefox

                              I just wrote a small example :
                              http://jsfiddle.net/ybochatay/fyaBZ/

                              On my computer, Google Chrome takes about 5ms to execute it, IE9 about 10ms, Opera 12ms, and Firefox (25) never less than 21ms.
                              I'll try to give you more examples soon.
                              Yannick

                              ----- Mail original -----
                              De: "Jonathan Watt" <jwatt@...>
                              À: svg-developers@yahoogroups.com
                              Envoyé: Mercredi 30 Octobre 2013 11:56:37
                              Objet: Re: [svg-developers] Looking for SVG that was/is slow in Firefox

                              Hi Yannick,

                              Do you have a link to an example? In order to debug the issues that you're
                              encountering it would be best to have an actual example.

                              Jonathan

                              On 30/10/2013 09:40, yannick.bochatay@... wrote:
                              > Hi Jonathan,
                              > I think dealing with the pathSegList property in javascript is most detrimental
                              > for me.
                              > Yannick
                              >
                              > ----- Mail original -----
                              > De: "Jonathan Watt" <jwatt@...>
                              > À: svg-developers@yahoogroups.com
                              > Envoyé: Mercredi 30 Octobre 2013 03:26:14
                              > Objet: [svg-developers] Looking for SVG that was/is slow in Firefox
                              >
                              > To help move the performance of Firefox's SVG implementation forward I'm looking
                              > for as many examples of SVG out there as possible where:
                              >
                              > a) Firefox performance improved in the last year or so, or
                              >
                              > b) Firefox performance still sucks (or lags behind other browsers)
                              >
                              > Anyone out there care to contribute links? If we can get together a good list it
                              > would really help us (the Mozilla SVG team) to figure out what we should
                              > prioritize.
                              >
                            • Michael Mullany
                              Quality and performance of most SVG Filters in Firefox is still slower than ideal, and in many cases they are not fast enough to be animateable. IE10 is
                              Message 14 of 17 , Nov 4, 2013
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                                Quality and performance of most SVG Filters in Firefox is still slower than ideal, and in many cases they are not fast enough to be animateable. IE10 is probably the fastest and highest quality implementation today (although there are notable bugs: no filterRes support, feImage objects not treated as <use> etc.)

                                Here are some filters (mostly focused on image effects) that you can try in Firefox and compare to IE10 (and even Chrome/Safari 6) 
                                • http://codepen.io/collection/Efgcu
                                • http://codepen.io/mullany/details/JtneK
                                • http://codepen.io/mullany/pen/nFwAu
                                (I will also put in another plug for fixing bug 455986 - which would allow import of SVG objects into filters via feImage)

                                -- michael
                              • Richard Pearman
                                Hi, I ve brought this up before but it s a serious problem for me and still hasn t been fixed. This is a web comic: http://www.pixelpalaces.com/dk/ done mostly
                                Message 15 of 17 , Nov 5, 2013
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                                  Hi,
                                   
                                  I've brought this up before but it's a serious problem for me and still hasn't been fixed. This is a web comic: http://www.pixelpalaces.com/dk/ done mostly in svg. There are multiple svg files but the same bug ruins most of them. Many of the frames have voice/thought bubbles etc. which relie on mouseover events on objects that have a filter that references the background. The intended effect is for something to chance color when it should be moused over. ASV 3 and Opera get this right. In all other browsers, either the object appears but are just black (usually) and still receive the mouse events or the object doesn't appear but the mouse events still work. Firefox used to do the former but now the objects don't appear and don't receive mouse events. This means that you can't read most the text in this comic making the story impossible to follow.
                                   
                                  Richard Pearman       http://www.pixelpalaces.com/
                                  The next stage in the evolution of web comics: http://www.pixelpalaces.com/dk/
                                  South Alberta Cactus and succulent society: http://www.facebook.com/group.php?gid=20360241008
                                   
                                  ----- Original Message -----
                                  Sent: Tuesday, October 29, 2013 7:26 PM
                                  Subject: [svg-developers] Looking for SVG that was/is slow in Firefox

                                   

                                  To help move the performance of Firefox's SVG implementation forward I'm looking
                                  for as many examples of SVG out there as possible where:

                                  a) Firefox performance improved in the last year or so, or

                                  b) Firefox performance still sucks (or lags behind other browsers)

                                  Anyone out there care to contribute links? If we can get together a good list it
                                  would really help us (the Mozilla SVG team) to figure out what we should prioritize.

                                • th_w@ymail.com
                                  Issue 852101 shows a severe performance problem. You can easily make Firefox hang for as long as you like with this issue.
                                  Message 16 of 17 , Nov 11, 2013
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                                    Issue 852101 shows a severe performance problem.  You can easily make Firefox hang for as long as you like with this issue.


                                    https://bugzilla.mozilla.org/show_bug.cgi?id=852101



                                    ---In svg-developers@yahoogroups.com, <rpearman@...> wrote:

                                    Hi,
                                     
                                    I've brought this up before but it's a serious problem for me and still hasn't been fixed. This is a web comic: http://www.pixelpalaces.com/dk/ done mostly in svg. There are multiple svg files but the same bug ruins most of them. Many of the frames have voice/thought bubbles etc. which relie on mouseover events on objects that have a filter that references the background. The intended effect is for something to chance color when it should be moused over. ASV 3 and Opera get this right. In all other browsers, either the object appears but are just black (usually) and still receive the mouse events or the object doesn't appear but the mouse events still work. Firefox used to do the former but now the objects don't appear and don't receive mouse events. This means that you can't read most the text in this comic making the story impossible to follow.
                                     
                                    Richard Pearman       http://www.pixelpalaces.com/
                                    The next stage in the evolution of web comics: http://www.pixelpalaces.com/dk/
                                    South Alberta Cactus and succulent society: http://www.facebook.com/group.php?gid=20360241008
                                     
                                    ----- Original Message -----
                                    Sent: Tuesday, October 29, 2013 7:26 PM
                                    Subject: [svg-developers] Looking for SVG that was/is slow in Firefox

                                     

                                    To help move the performance of Firefox's SVG implementation forward I'm looking
                                    for as many examples of SVG out there as possible where:

                                    a) Firefox performance improved in the last year or so, or

                                    b) Firefox performance still sucks (or lags behind other browsers)

                                    Anyone out there care to contribute links? If we can get together a good list it
                                    would really help us (the Mozilla SVG team) to figure out what we should prioritize.

                                  • th_w@ymail.com
                                    I m sorry if this question mostly triggers negative feedback. I m very happy that SVG gets some love by the Mozilla team. My feeling is that Firefox has
                                    Message 17 of 17 , Nov 16, 2013
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                                      I'm sorry if this question mostly triggers negative feedback.  I'm very happy that SVG gets some love by the Mozilla team.  My feeling is that Firefox has indeed improved - I think some of the animated d3.js examples were slower some time ago, but this is just a feeling and I'm not sure whether it's due to JavaScript or SVG performance improvement.  However, this is not enough IMHO, as on this machine here (Core2 Duo T8100, 2.1Ghz), Chrome and pre-Blink Opera both do an impressive, flawless job with instant feedback where Firefox is still very choppy.  I didn't try modern IEs.


                                      http://mbostock.github.io/d3/talk/20111116/force-collapsible.html

                                      http://bost.ocks.org/mike/nations/

                                      http://mbostock.github.io/d3/talk/20111018/collision.html

                                      http://christophermanning.org/projects/voronoi-diagram-with-force-directed-nodes-and-delaunay-links/





                                      ---In svg-developers@yahoogroups.com, <th_w@...> wrote:

                                      Issue 852101 shows a severe performance problem.  You can easily make Firefox hang for as long as you like with this issue.


                                      https://bugzilla.mozilla.org/show_bug.cgi?id=852101



                                      ---In svg-developers@yahoogroups.com, <rpearman@...> wrote:

                                      Hi,
                                       
                                      I've brought this up before but it's a serious problem for me and still hasn't been fixed. This is a web comic: http://www.pixelpalaces.com/dk/ done mostly in svg. There are multiple svg files but the same bug ruins most of them. Many of the frames have voice/thought bubbles etc. which relie on mouseover events on objects that have a filter that references the background. The intended effect is for something to chance color when it should be moused over. ASV 3 and Opera get this right. In all other browsers, either the object appears but are just black (usually) and still receive the mouse events or the object doesn't appear but the mouse events still work. Firefox used to do the former but now the objects don't appear and don't receive mouse events. This means that you can't read most the text in this comic making the story impossible to follow.
                                       
                                      Richard Pearman       http://www.pixelpalaces.com/
                                      The next stage in the evolution of web comics: http://www.pixelpalaces.com/dk/
                                      South Alberta Cactus and succulent society: http://www.facebook.com/group.php?gid=20360241008
                                       
                                      ----- Original Message -----
                                      Sent: Tuesday, October 29, 2013 7:26 PM
                                      Subject: [svg-developers] Looking for SVG that was/is slow in Firefox

                                       

                                      To help move the performance of Firefox's SVG implementation forward I'm looking
                                      for as many examples of SVG out there as possible where:

                                      a) Firefox performance improved in the last year or so, or

                                      b) Firefox performance still sucks (or lags behind other browsers)

                                      Anyone out there care to contribute links? If we can get together a good list it
                                      would really help us (the Mozilla SVG team) to figure out what we should prioritize.

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