Date: Thu, 5 Nov 1998 08:35:33 -0200 From: Rogerio Gatto <gatto@widesoft.com.br> To: freebsd-java@FreeBSD.ORG Cc: Hideki Kobayashi <hidekoba@alles.or.jp>, "'Nate Williams'" <nate@mt.sri.com>, "Viren R. Shah" <viren@rstcorp.com> Subject: RES: JIT on FreeBSD Message-ID: <BBE7F889EE27D211BB1A00A0C9AC2B830A6528@calcio.widesoft.com.br>
next in thread | raw e-mail | index | archive | help
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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?BBE7F889EE27D211BB1A00A0C9AC2B830A6528>