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Date:      Thu, 15 Feb 2001 00:01:26 +0800 (+0800)
From:      Michael Robinson <robinson@netrinsics.com>
To:        markhannon@one.net.au, meshko@cs.brandeis.edu
Cc:        freebsd-java@FreeBSD.ORG
Subject:   Re: JIT for Linux JDK1.2?
Message-ID:  <200102141601.f1EG1PH22516@netrinsics.com>
In-Reply-To: <Pine.LNX.4.30.0102141005540.5778-100000@daedalus.cs.brandeis.edu>

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Mikhail Kruk <meshko@cs.brandeis.edu> writes:
>BTW, a question on topic of Linux 1.3: would applying patches for Linux
>IBM JDK help to run Linux JDK in -hotspot mode?

The -hotspot compiler (also -client and -server) require kernel threads.  If
you want kernel threads, you have to pick an operating system other than 
FreeBSD.

>It seems to be a lot
>faster than -classic (until it crashes that is). Or is it just me
>perception?

It depends on your application.  For sustained execution, -server is about
25x faster than -classic.  Also, -server is about 5x faster than OpenJIT (which
is about the best you can do under FreeBSD).

Benchmark data:

  http://www.netrinsics.com/Tower/Tower.html

	-Michael Robinson



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