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[Eliah Kagan <degeneracypressure@xxxxxxxxx>]

Duplicate bug 865407 indicates that the original poster is/was still
interested in working on this bug. Is there any more information that
can be provided to make progress here? (Marking back from Expired to
Incomplete.)

Also, can anyone check and see if this bug occurs on Oneiric?

** Changed in: gnome-terminal (Ubuntu)
       Status: Expired => Incomplete

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https://bugs.launchpad.net/bugs/784519

Title:
  Natty: performance regression of Gnome terminal

Status in “gnome-terminal” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: gnome-terminal

  I often use to run simulations on my workstations. Such a simulation
  typically consumes almost all CPU time but only a fraction of memory.
  Under such conditions previous ubuntu releases 9.10 (Jaunty) and 10.04
  (Lucid) were still perfectly responsive, including GNOME terminal.

  In Natty, I observe very slow switching between terminal tabs when the
  machine is under constant computational load. Similarly I observe slow
  response when I want to scroll text on the terminal (using Shift
  PgUp).

  It is true that I have terminal opened to its full size but this is
  the same condition as I used used to apply also on the previous ubuntu
  releases that were installed on the workstation in the past.

  Finally I add that (all under the conditions of the computational load):
  * Switching  between workspaces seems to be unaffected by switching to Natty (i.e. as fast as on previous ubuntu releases).
  * Switching between Firefox tabs also seems to be unaffected and is in most cases noticeably faster than switching between GNOME terminals.
  * Switching between several GNOME terminals is slow and is often such that I first see just blank terminal and after a delay of a second the text in the terminal finally gets shown.

  * I am using Ubuntu Classic (No effects), 64-bit variant.
  * The machine is well equipped: it has an Intel Core2 Quad processor,  all its cores running at their full frequency 2336 MHz,  4 GB of memory.
  * I attach output of the top program to see details of the computational load.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: gnome-terminal 2.32.1-0ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Wed May 18 11:58:29 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcEnviron:
   LANGUAGE=en
   PATH=(custom, user)
   LANG=en_GB.utf8
   LC_MESSAGES=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: gnome-terminal
  UpgradeStatus: No upgrade log present (probably fresh install)

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