Re: JVM and threads

2002-09-03 Thread Nathan Meyers
On Tue, Sep 03, 2002 at 10:03:15PM +0200, Marco Trevisan wrote: > I looked at the NGPT home page, surfed the net and found some > interesting benchmarks : > http://www.opengroup.org/rtforum/jan2002/slides/linux/abt.pdf . > > At http://www.ibm.com/developerworks/oss/pthreads/, they say: "This >

Re: JVM and threads

2002-09-03 Thread Hui
On Tue, Sep 03, 2002 at 10:03:15PM +0200, Marco Trevisan wrote: > I found out that the best performing JVM on a single-processor Linux > machine is Blackdown-1.3.1 with green threads and the OpenJIT compiler. > Other JVMs I tried are: IBM v1.3.0 - 1.3.1, Sun v1.3.1 - 1.4.x If there is any gain i

Re: JVM and threads

2002-09-03 Thread Calvin Austin
Yup native threads doing blocking IO on linux is expensive. Things start looking progressively ugly from 50 connections upwards. If you move to NIO you will see a significant improvement in both stability/predictability and performance. What would make it easier for you to try the multiplexing

Re: JVM and threads

2002-09-03 Thread Marco Trevisan
Hello all, I also use Tomcat (v4.0.4), and I have run my webapp with a variety of JVMs in order to find which is best in terms of performance. It could be important to point that my Java code conforms to the 1.3 API specification, no 1.4-exclusive class or method is used. I found out that the

Jdk 1.4.1 on arm or xscale

2002-09-03 Thread Girard, Yvan
Title: Jdk 1.4.1 on arm or xscale Hi, There is a plan to port jdk1.4.1 on ARM or Xscale (Linux)? Yvan