Re: Re: Linux/Windows Universal Benchmark

From: Colin Watson (cjwatson_at_debian.org)
Date: 04/15/04

  • Next message: Thomas Pomber: "Re: branding debian releases" 
    Date: Wed, 14 Apr 2004 23:21:17 +0100
To: debian-user@lists.debian.org

    On Wed, Apr 14, 2004 at 10:23:48PM +0100, Andy Morris wrote:
    > Now one thing I should have mentioned earlier is that the app was
    > written in Java (compiled using Sun's jdk1.4.2 (not gentoo's blackdown
    > since it's too buggy)) and we are therefore also testing the platform
    > implementation of the VM (if you don't know about java basically when
    > code runs there is a middleman between the code running and the OS
    > (the Java Virtual Machine). It is possible that the jdk does not work
    > as well on Linux but this is what I use and so do millions of others,
    > and therefore it's can be a v good benchmark. I will shortly if i get
    > some time repeat the tests in C++ to remove this factor (it interfaces
    > directly with the OS since it's compiled into native binaries) and if
    > any1 does care for the result then let me know.

    I think it's very likely that at least some of the Java implementations
    available for Linux suck performance-wise compared to Windows. Java's
    quite a poor development platform on Linux; it doesn't help that the Sun
    JDK is non-free so people generally can't hack on it, and the free JVMs
    have only started to receive attention relatively recently.

    I'm afraid I wouldn't regard a Java benchmark as a remotely fair
    assessment of any difference between Linux and XP in themselves, whether
    or not millions of people use it. I also don't think that counting is a
    very interesting benchmark really. :) 

    -- 
Colin Watson                                  [cjwatson@flatline.org.uk]
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