From owner-freebsd-java Thu Nov 5 02:36:14 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id CAA19991 for freebsd-java-outgoing; Thu, 5 Nov 1998 02:36:14 -0800 (PST) (envelope-from owner-freebsd-java@FreeBSD.ORG) Received: from hidrogenio.widesoft.com.br (hidrogenio.widesoft.com.br [200.246.206.1]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id CAA19977 for ; Thu, 5 Nov 1998 02:36:09 -0800 (PST) (envelope-from gatto@widesoft.com.br) Received: from calcio.widesoft.com.br (calcio.widesoft.com.br [200.246.206.20]) by hidrogenio.widesoft.com.br (8.8.8/8.8.8) with ESMTP id IAA12437; Thu, 5 Nov 1998 08:35:56 -0200 (EDT) (envelope-from gatto@widesoft.com.br) Received: by calcio.widesoft.com.br with Internet Mail Service (5.5.1960.3) id ; Thu, 5 Nov 1998 08:35:34 -0200 Message-ID: From: Rogerio Gatto To: freebsd-java@FreeBSD.ORG Cc: Hideki Kobayashi , "'Nate Williams'" , "Viren R. Shah" Subject: RES: JIT on FreeBSD Date: Thu, 5 Nov 1998 08:35:33 -0200 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.1960.3) Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by hub.freebsd.org id CAA19982 Sender: owner-freebsd-java@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org I´ve got some prety good improvements with the JIT, at least CaffeineMark 3.0 says so. You guys can get it at http://www.pendragon-software.com/pendragon/cm3/index.html > ----- Mensagem original ----- > De: Nate Williams [SMTP:nate@mt.sri.com] > Enviada em: Quarta-feira, 4 de Novembro de 1998 22:03 > Para: Viren R. Shah > Cc: Hideki Kobayashi; Rogerio Gatto; > freebsd-java@FreeBSD.ORG > Assunto: Re: JIT on FreeBSD > > > I ran my application on it: > > without a JIT: > > 17.69 real 16.11 user 0.28 sys > > with a JIT: > > 18.16 real 16.26 user 0.34 sys > > > > It actually took more time. Is this possibly due to me running a > > 2.2.7/AOUT library on a -current/ELF system? or due to the nature of > > the application? > > Probably the nature of the appliation. Since it's effectively > 'compiling' the program into native code everytime you run it, if the > program doesn't have much CPU intensive code (as it appears above) > *OR* > doesn't run a long time to amortize out the pre-compile, then it won't > help you out much due to the startup overhead. > > This is where Sun's much talked about 'Hot-Spot' JIT (sort of) will > help > out, since it only JIT's 'bottlenecks' it finds in your code, thus > making the startup and JIT cost alot less. > > > > Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-java" in the body of the message