[Gvsig_english] v1.9 alpha on Ubuntu 8.10

Sun Feb 15 13:04:17 CET 2009

Interesting - Java performance on 8.10 tested as significantly faster in nearly every way (see Phoronix). Do you know what Java stack you are running on the Ubuntu box? And do you have desktop effects turned on? If so, turn them off as they are likely to impact redraw without some tweaking of the Java stack. Last issue that might impact is your graphics card and driver. What chipset is it, and if Nvidia or ATI, are you using the restricted driver or not? Which is faster for that kind of redraw I'm not sure, but it would be worth testing either.

Chris

----- "Squidjag" <colin.east at geospatial-ict.com.au> wrote:

> Hi Chris,
> 
> I used the term performance is two ways. The first relates to
> rendering and
> you are right about the hardware. I have a line feature with 375,000
> lines
> that renders in about 6 seconds (with a spatial index) using the
> Celeron box
> running Ubuntu 8.10 and OA 1.1.2. Same file and software on the
> Pentium dual
> renders in about 2 seconds using Ubuntu 8.04 and with win NT using
> gvSIG 1.1
> the line feature also renders in about 2 seconds. I'd suggested this
> is to
> be expected.
> 
> However, the second way I used the term performances relates the
> usability.
> Using the Celeron box with Ubuntu 8.10 and OA 1.1.2 is quite slow. By
> this I
> mean when I click a button there is a delay. If I drag a window is
> takes up
> to 3 seconds to redraw. All the basic features I used take more than
> a
> second to complete. This is not the case with the 8.04 version and
> seems to
> be limited to 8.10.
> 
> Unfortunately, I cannot put 8.04 on the Celeron box as I can't get it
> to
> work properly with the graphics card and my 22" monitor.
> 
> Sorry if my mixed use of the term performance has cause confusion.
> 
> Cheers
> 
> Colin
> 
> 
> Chris Puttick wrote:
> > 
> > I'd say the Celeron v. the dual pentium is going to make all the
> > performance difference you could want. Can you dual boot the big box
> with
> > Ubuntu? I'd generally assume performance on identical hardware to
> be
> > considerably faster in Linux.
> > 
> > ----- "Squidjag" <colin.east at geospatial-ict.com.au> wrote:
> > 
> >> Hi Ben,
> >> 
> >> I can! Some context; I'm going to use gvSIG to teach post graduate
> >> management students spatial concepts. I'm a geospatial consultant
> >> (part time
> >> teacher) and use XP as my primary operating system. I've decided
> that
> >> I will
> >> not upgrade to Vista and am therefore looking at Ubuntu. gvSIG 1.1
> is
> >> excellent and I will be using it for my course (probably OA
> actually)
> >> but it
> >> is not clear to me about a couple of spatial relations I want to
> teach
> >> so I
> >> wanted to take a squizz (peak) at 1.9alpha. I came across OA when
> >> looking to
> >> fix my other problems.
> >> 
> >> Anyway, I'm running gvSIG1.1 on a Windows box (pentium dual 1.8
> ghz
> >> processor, 2 gig of ram) and  Unbuntu 8.10 on an older box
> (Celeron
> >> 2.8 ghz
> >> with 1.5 gig of ram). I must say that the best thing is the OA
> >> installer for
> >> Lynux. For a windows pleb like me it is the same as an MSI
> installer
> >> and
> >> makes life so much easy. :-)
> >> 
> >> Bearing in mind I've only clicked a few buttons so far, the two
> >> systems
> >> seems to be functional the same. The only difference I've seen so
> far
> >> is the
> >> 'i' icon on the information button is missing the 'i' in the
> Ubuntu
> >> box. I
> >> even have a shape file that will not display attributes and it is
> the
> >> same
> >> in both systems (it doesn't have a projection file so that may be
> the
> >> cause???).
> >> 
> >> There is however a performance difference. A polygon shape file
> with
> >> around
> >> 850,000 features take 12 seconds to render in windows and 18 or so
> >> seconds
> >> to render in the 8.10 box. The variables are: a newer processor on
> >> the
> >> windows box, gvSIG on windows compared to OA on 8.10, and possibly
> the
> >> the
> >> java settings (I chose the standard 512 memory allocation on
> install).
> >> The
> >> other performance thing is that actions are slow in 8.10. For
> example.
> >> If I
> >> use a box select, I can drag a box around my selection and a second
> or
> >> so
> >> passes before the box is drawn. I can click on a window and drag
> it
> >> and
> >> again it takes a second or so before the window is moved. I am
> using a
> >> 22"
> >> screen running at 1680x1050 and thought it might be graphics
> drivers
> >> but
> >> other application windows have no lag. Not sure if this is a 8.10
> >> issue,
> >> Java, or there are some performance tweaks I should compare??
> >> 
> >> Happy to compare some other features of interest but will share
> >> comparisons
> >> of the things I'm using in my course.
> >> Cheers
> >> Colin
> >> 
> >> Benjamin Ducke wrote:
> >> > 
> >> > Please let us know how the OA version works for you on Ubuntu!
> >> > 
> >> > Cheers,
> >> > 
> >> > Ben
> >> > 
> >> > Squidjag wrote:
> >> >> Hi Jean,
> >> >> 
> >> >> Apologies for taking so long to respond. I don't know what I
> did
> >> wrong
> >> >> but
> >> >> my install ended up the wrong directory and only sudo would run
> it
> >> (it
> >> >> was
> >> >> owned by root). I had another issue and chose to go back to
> 8.04.
> >> Long
> >> >> story
> >> >> cut short, I'm trying the OA version 1.1.2 with 8.10 (after a
> >> couple of
> >> >> rebuilds). I will try 1.9alpha after I have learned some more
> >> about
> >> >> Lynux. I
> >> >> intend to give it a shot in a Virtual Machine running Windows.
> >> >> 
> >> >> Thank you, and to Marcus too, for your assistance.
> >> >> 
> >> >> Cheers
> >> >> 
> >> >> Colin
> >> >> 
> >> >> 
> >> >> jean hemmi wrote:
> >> >>> Hi Colin,
> >> >>> Following Marcus, you have to install in your homedir.
> >> >>> After, simplest (than managing AWT_TOOLKIT) is to turn off the
> >> visuals
> >> >>> effects in "system=>pref=>apparence" 
> >> >>> gvSIG is running without any problem.
> >> >>> For the icon, you can create yours, pointing on
> >> >>> home/xx/gvSIG_1.9/bin/gvSIG.sh
> >> >>>
> >> >>> - Jean (running gvsig 1.9alpha on ubuntu 8.10)
> >> >>>
> >> >> 
> >> > 
> >> > 
> >> > -- 
> >> > Benjamin Ducke
> >> > Senior Applications Support and Development Officer
> >> > 
> >> > Oxford Archaeology Ltd
> >> > Janus House
> >> > Osney Mead
> >> > OX2 0ES
> >> > Oxford, U.K.
> >> > 
> >> > Tel: +44 (0)1865 263 800 (switchboard)
> >> > Tel: +44 (0)1865 980 758 (direct)
> >> > Fax :+44 (0)1865 793 496
> >> > benjamin.ducke at oxfordarch.co.uk
> >> > 
> >> > 
> >> > 
> >> > 
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> >> 
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