1.    20 Jun 2017 #1
    Join Date : Oct 2014
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    Why your Firefox is not using multiple processes


    With the arrival of Firefox 54 last week, finally the drawn out process of releasing its multiprocess Electrolysis was finished.

    In its latest release, Firefox will use up to four processes, with the benefits to users being better memory usage and performance.

    But long-time users of Mozilla's browser may be disappointed to see that their browser is clinging to a single process -- and the guilty party are those add-ons you've probably been using for years.

    To check if Firefox 54 is stuck on one process, you can check your nearest operating system process monitor, or check if the value attached to dom.ipc.processCount value in Firefox's about:config is set to 1.
    Firefox provides little feedback on this front, but if you install the Add-on Compatibility Reporter extension, a wealth of information appears in Firefox's Extensions panel.
    Why your Firefox is not using multiple processes | ZDNet
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  2.    20 Jun 2017 #2
    Join Date : Mar 2017
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    64-bit Windows 10 Pro Build 15063

    I installed it, see what happens
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  3.    20 Jun 2017 #3
    Join Date : Mar 2017
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    64-bit Windows 10 Pro Build 15063

    All of the extionsion that I use block multi process so I guess I will not be using it till the dev's that own the extensions fix them. I did report them. What I can't figure out is why Mozilla does not force them to be fixed?
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  4.    20 Jun 2017 #4
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    Thread Starter

    Quote Originally Posted by Josey Wales View Post
    All of the extionsion that I use block multi process so I guess I will not be using it till the dev's that own the extensions fix them. I did report them. What I can't figure out is why Mozilla does not force them to be fixed?
    I reported them also, so hopefully the people that make the programs get into gear & update them. For now I'm letting everything run because I've used some of those for years & not going to shut them down now.
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  5.    20 Jun 2017 #5
    Join Date : Jul 2015
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    win 10 home

    Basically, Mozilla is moving forward towards its grand plan of WebExtension add-on's only. Add-on developers will have to sink or swim.
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  6.    20 Jun 2017 #6
    Join Date : Oct 2014
    Arnold, MD
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    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)

    [QUOTE=Josey Wales;1057580]All of the extionsion that I use block multi process so I guess I will not be using it till the dev's that own the extensions fix them. I did report them. What I can't figure out is why Mozilla does not force them to be fixed?[/QUOTE]
    Josey, just IMO, but there probably is a minor (?) conflict between technology and marketing. And, the bean counters, of course.........
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  7.    20 Jun 2017 #7
    Join Date : Jul 2015
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    Quote Originally Posted by pyramid10 View Post
    Basically, Mozilla is moving forward towards its grand plan of WebExtension add-on's only. Add-on developers will have to sink or swim.
    This. In a nutshell if you are using extensions that are not WebExtensions Firefox will run in only one process. Once Firefox 57 hits, and only WebExtensions work then multi-process will be enabled. No old extensions will carry over, so Mozilla along with devs, won't care (and/or don't care now) that any version now to 56 runs in only one process.
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  8.    20 Jun 2017 #8
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    Quote Originally Posted by Bobby Phoenix View Post
    This. In a nutshell if you are using extensions that are not WebExtensions Firefox will run in only one process. Once Firefox 57 hits, and only WebExtensions work then multi-process will be enabled. No old extensions will carry over, so Mozilla along with devs, won't care (and/or don't care now) that any version now to 56 runs in only one process.
    Just to support your statement, if I disable the first one (blurred because we're not supposed to post about them), it does run in multi-process. Enabled, single.

    Click image for larger version. 

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