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Re: Debian v9 it's a stretch

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On Thu, Sep 07, 2017 at 07:57:58AM +0900, Mark Fletcher wrote:
> That's fascinating because I found the opposite -- my circa-2009 
> self-built Intel Core i7 920-based machine surged ahead when I upgraded 
> from jessie to stretch -- really felt like everything was that little 
> bit more alive. I'd had no complaints about jessie performance but 
> suddenly everything was that bit nippier.

Video drivers, most likely.  Jessie's X used an "intel" driver for
Intel graphics chipsets, whereas stretch's X uses a "modeset" driver.

Notoriously in jessie, some of the newer Intel chipsets actually needed
(or greatly wanted) a backported stretch xserver-xorg-video-intel
package for proper performance.  (Your older machine may or may not be
one of these.)

Some older Intel chipsets perform very well under the new modeset driver
without adding any firmware packages.  I am guessing yours is one
of these.

Some newer Intel chipsets perform very well after you install the
correct non-free firmware package for them.  Without that firmware,
they will perform very poorly, to the point where you might actually
consider reverting to the intel driver, if your personal philosophy
is not to install non-free firmware.

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Re: Debian v9 it's a stretch Borden Rhodes <jrvp@bordenrhodes.com> - 2017-08-21 22:30 +0200
  Re: Debian v9 it's a stretch Ben Finney <bignose@debian.org> - 2017-08-21 22:50 +0200
  Re: Debian v9 it's a stretch tony mollica <tjm3@threedogs.net> - 2017-08-22 01:00 +0200
    Re: Debian v9 it's a stretch tony mollica <tjm3@threedogs.net> - 2017-09-06 18:20 +0200
      Re: Debian v9 it's a stretch Greg Wooledge <wooledg@eeg.ccf.org> - 2017-09-06 18:40 +0200
        Re: Debian v9 it's a stretch Fungi4All <fungilife@protonmail.com> - 2017-09-06 20:40 +0200
          Re: Debian v9 it's a stretch Brian <ad44@cityscape.co.uk> - 2017-09-06 22:00 +0200
            Re: Debian v9 it's a stretch Fungi4All <fungilife@protonmail.com> - 2017-09-11 23:30 +0200
              Re: Debian v9 it's a stretch <tomas@tuxteam.de> - 2017-09-12 09:40 +0200
                Re: Debian v9 it's a stretch Fungi4All <fungilife@protonmail.com> - 2017-09-13 16:50 +0200
              Re: Debian v9 it's a stretch Jimmy Johnson <field.engineer@gmail.com> - 2017-09-15 10:30 +0200
                Re: Debian v9 it's a stretch Fungi4All <fungilife@protonmail.com> - 2017-09-15 17:40 +0200
                Re: Debian v9 it's a stretch Jimmy Johnson <field.engineer@gmail.com> - 2017-09-15 20:10 +0200
      Re: Debian v9 it's a stretch Ben Finney <bignose@debian.org> - 2017-09-06 21:00 +0200
      Re: Debian v9 it's a stretch Mark Fletcher <mark27q1@gmail.com> - 2017-09-07 01:00 +0200
        Re: Debian v9 it's a stretch Greg Wooledge <wooledg@eeg.ccf.org> - 2017-09-07 14:20 +0200
          Re: Debian v9 it's a stretch tony mollica <tjm3@threedogs.net> - 2017-09-07 17:20 +0200
          Re: Debian v9 it's a stretch Mark Fletcher <mark27q1@gmail.com> - 2017-09-08 01:00 +0200
  Re: Debian v9 it's a stretch Ben Finney <bignose@debian.org> - 2017-08-22 03:10 +0200
    Re: Debian v9 it's a stretch Gary Roach <gary719_list1@verizon.net> - 2017-09-07 01:30 +0200

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