On Windows javac uses definitely only one processor. Ciao
Thomas At 05:40 30.01.2002 -0500, Sean Owen wrote: >Yeah, I don't believe javac will benefit from multiple processors. >However, you can still take advantage of multiple processors, maybe, if >you can split up your compilation into two or more independent, parallel >compiles. > >For example I've organized my code on a J2EE project into three groups: >code for the web application, code for the EJBs, and code used by both >(common). Once the common code is compiled, the web app and EJBs can both >be compiled, but neither of the two depends on the other. > >So, you can use Ant's "parallel" tag to make the web app and EJB >compilation targets run in parallel, which will use two processors. The >Ant output gets mixed up, but it's not a big deal. > >Also, installing and using the jikes Java compiler will speed up your >compilation significantly. > >Sean > > >On Tuesday, January 29, 2002, at 04:39 AM, Thorbjørn Ravn Andersen wrote: > >> >>tirsdag januar 29 2002 kl. 02:53 AM skrev Antony Stace: >> >>>I have a Struts project with a number of files and want to compile the >>>source files quicker. >>>Does anyone know if the java compilers and runtime environments included >>>with Suns JDK 1.3 and 1.4 systems >>>take advantage of a multiprocessor linux system(Assume a fairly recent >>>stable kernel) or will they use(in a 2 processor >>>system) just one processor. I want to speed up compile times but am not >>>sure if a multiprocessor system will do it. >> >>If you use a JVM with native threads then the operative system manages >>the individual threads, and may schedule them on different processors (if >>you use green threads, then the JVM does the thread managing itself in a >>single process, which will therefore use one processor only). >> >>As far as I know, javac is single-threaded, so that you will not benefit >>in doing a single compile. If you can initiate several javac-processes >>at the same time, you will benefit. >> >>You may also want to look into whether your web container provides for a >>command-line batch compiler for jsp-pages. >>For code, you may need a suitable IDE, but I do not have any suggestions. >> >>-- >> Thorbjørn Ravn Andersen >> Scandiatransplant, c/o Christian Mondrup >> 89 49 53 01 >> http://biobase.dk/~tra >> >> >>-- >>To unsubscribe, e-mail: <mailto:struts-user-> >>[EMAIL PROTECTED]> >>For additional commands, e-mail: <mailto:struts-user-> >>[EMAIL PROTECTED]> > > >_________________________________________________________ >Do You Yahoo!? >Get your free @yahoo.com address at http://mail.yahoo.com > > >-- >To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> >For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> Thomas Eichberger - Software und Schulungen - Spezialisiert auf Java A-1230 WIEN, Endresstr. 103/3 phone/box/fax: 01-8861685 Web: www.java.at E-Mail: [EMAIL PROTECTED] "Every job is a self-portrait of the person who did it. Autograph yours with excellence." "For every complex question there is an answer that is clear, simple and wrong." -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
