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Re: Memory residence

From: shudo at computer dot org
To: java at gcc dot gnu dot org
Date: Wed, 25 May 2005 10:03:49 +0900 (JST)
Subject: Re: Memory residence
References: <20050523.052302.189730446.shudo@aist.go.jp><20050523.061645.719890540.shudo@aist.go.jp><17043.19086.541233.265950@zapata.pink>

From: Andrew Haley <aph@redhat.com>

> shudo@computer.org writes:

>  > I measured the time to start up Eclipse 3.1M6 with Sun JDK, IBM JDK
>  > and GCJ 4.0 on a linux computer. GCJ 4.0 and a compiled version of
>  > Eclipse is part of development version of Fedora Core 4.
>  >
>  >   Sun JDK 1.5.0_03:    a little over 11 sec.
>  >   IBM JDK 1.4.2 SR1a:  15 sec.
>  >   GCJ 4.0:             27 sec.

>  > Anyway, GCJ-compiled native binary took much time to start up.
>
> For what it's worth, we haven't been able to duplicate this.  Our
> tests have shown the startup time of Eclipse under gcj to be good.

I got the numbers on Linux running on VMware and VMware affected the
numbers.  I got similar results even on Linux running directly on
another computer:

  Sun JDK 1.5.0_03:     8   sec
  IBM JDK 1.4.2 SR1a:  10.5 sec
  GCJ 4.0:             19   sec


  Kazuyuki Shudo	shudo@computer.org	http://www.shudo.net/

References:
- Memory residence
  - From: shudo
- Re: Memory residence
  - From: shudo
- Re: Memory residence
  - From: Andrew Haley

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