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From: Ernst de Haan <znerd@FreeBSD.org>
Organization: FreeBSD Project
To: Stefan Arentz <stefan.arentz@soze.com>, freebsd-java@FreeBSD.ORG
Subject: Re: Hacking on JDK 1.3.1
Date: Mon, 30 Sep 2002 19:23:38 +0200
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Hi Stefan,

Sounds good! What is this 'ab' tool you are using?

Ernst


On Sunday 29 September 2002 21:50, Stefan Arentz wrote:
> Hi,
>
> Short introduction; I'm working on making the native JDK 1.3.1 a bit more
> stable on -STABLE (4.4 and 4.6.2-SMP in my case) and also trying to
> backport Bill Huey's excellent work on Hotspot.
>
> My current test applications are JBoss and Orion (because I want to run
> those in production on FreeBSD).
>
> Orion already flies, here are some very simple test results:
>
>  Dynamic Content
>
>   % ab -n 2500 -c 25 http://localhost:8080/examples/jsp/dates/date.jsp
>
>
>   FreeBSD Native with compiler1:
>
>    Requests per second:    205.64 [#/sec] (mean)
>    Time per request:       121.569 [ms] (mean)
>    Time per request:       4.863 [ms] (mean, across all concurrent
> requests) Transfer rate:          259.61 [Kbytes/sec] received
>
>   Linux Compatibility with compiler1:
>
>    Requests per second:    1329.07 [#/sec] (mean)
>    RTime per request:       18.810 [ms] (mean)
>    RTime per request:       0.752 [ms] (mean, across all concurrent
> requests) RTransfer rate:          1677.82 [Kbytes/sec] received
>
>  Static Content
>
>   % ab -n 2500 -c 25 http://localhost:8080/examples/jsp/dates/date.jsp
>
>   FreeBSD Native with compiler1:
>
>     Requests per second:    1119.76 [#/sec] (mean)
>     Time per request:       22.326 [ms] (mean)
>     Time per request:       0.893 [ms] (mean, across all concurrent
> requests) Transfer rate:          2501.53 [Kbytes/sec] received
>
>   Linux Compatibility with compiler1:
>
>    Requests per second:    1682.41 [#/sec] (mean)
>    Time per request:       14.860 [ms] (mean)
>    Time per request:       0.594 [ms] (mean, across all concurrent
> requests) Transfer rate:          3758.50 [Kbytes/sec] received
>
> The difference in JSP performance is odd, I'm looking into that now. Could
> this be because the version in the linuxulator is more efficient because of
> its threading implementation?
>
> There also seems to be a problem with compilation of JSP files. It only
> works when I use jikes instead of javac.
>
> Tough stuff, but I'm slowly making progress.
>
>
> Greetings,
>
>  Stefan


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