Re: Terrible native thread performance

2000-01-22 Thread Nathan Meyers
Marek Gmyrek wrote: > > On Fri, 21 Jan 2000, Nathan Meyers wrote: > > -->> By 'background' I meant a Java Frame (Window). So, eg. I have the main > -->> frame of my aplication an a dialog box. Moving dialog makes the main > -->> frame repaint itself. This takes particularly much time. Generally,

Re: Terrible native thread performance

2000-01-22 Thread Marek Gmyrek
On Fri, 21 Jan 2000, Nathan Meyers wrote: -->> By 'background' I meant a Java Frame (Window). So, eg. I have the main -->> frame of my aplication an a dialog box. Moving dialog makes the main -->> frame repaint itself. This takes particularly much time. Generally, the -->> same Java application (

Re: Terrible native thread performance

2000-01-21 Thread Nathan Meyers
Marek Gmyrek wrote: > > On Fri, 21 Jan 2000, Chris Kakris wrote: > > -->> Processor utilization is not so bad, until I move a window and a window > -->> in background has to repaint itself. Repainting takes a time of ca. a few > -->> seconds. During that time the processor is busy almost to 100%

Re: Terrible native thread performance

2000-01-21 Thread Marek Gmyrek
On Fri, 21 Jan 2000, Chris Kakris wrote: -->> Processor utilization is not so bad, until I move a window and a window -->> in background has to repaint itself. Repainting takes a time of ca. a few -->> seconds. During that time the processor is busy almost to 100%. --> -->Are you by any chance us

Re: Terrible native thread performance

2000-01-20 Thread Chris Kakris
Marek Gmyrek wrote: > > I use the same system (RH6.1) with Blackdown JDK1.2 RC3 and have the same > observations. Both native and green versions are very slowly, especially > with GUI stuff, when compared to jdk1.1.8 (v1). > > Processor utilization is not so bad, until I move a window and a wind

Re: Terrible native thread performance

2000-01-20 Thread Artur Biesiadowski
On Thu, 20 Jan 2000, Marek Gmyrek wrote: > observations. Both native and green versions are very slowly, especially > with GUI stuff, when compared to jdk1.1.8 (v1). > > Processor utilization is not so bad, until I move a window and a window > in background has to repaint itself. Repainting take

Re: Terrible native thread performance

2000-01-20 Thread Marek Gmyrek
Hi, -->Here is what I see with Linux. I am running on a freshly installed RedHat -->6.1 machine. With either JDK, running in native threads is absolutely -->crippling. There seems to be a serparate JDK process ID for each running -->thread, or otherwise something is casuing it to fork 15 times. O

Re: Terrible native thread performance

2000-01-20 Thread Oliver Koell
Daniel Stux wrote: > > Hi folks, > > I've just installed two versions of the JDK1.2.2 for linux: Sun's RC2, and > Blackdown's RC3. I am experiencing the wierdest behavior I have ever seen > for a JDK. > I didn't see someone else mentioning this: did you try IBM's JDK? /Oliver --

Re: Terrible native thread performance

2000-01-19 Thread Jeff Galyan
Dan, A big part of the threads problem on Linux stems from the pthreads implementation that's available in glibc. There has been much discussion on this topic of late - check the archives for more detail. I believe the word is that glibc 2.1.3 is supposed to have improvements in the pthreads imp

Re: Terrible native thread performance

2000-01-19 Thread Jacob Nikom
Hi Jonathan, You mentioned 2.4 kernel. Do you know when it is going to come out? Jacob Nikom Jonathan Doughty wrote: > > Daniel Stux wrote: > > > Here is what I see with Linux. I am running on a freshly installed > > RedHat 6.1 machine. With either JDK, running in native threads is > > absolu

Re: Terrible native thread performance

2000-01-19 Thread Nathan Meyers
On Wed, Jan 19, 2000 at 02:36:30PM -0500, Daniel Stux wrote: > Here is what I see with Linux. I am running on a freshly installed RedHat > 6.1 machine. With either JDK, running in native threads is absolutely > crippling. There seems to be a serparate JDK process ID for each running > thread, or o

Re: Terrible native thread performance

2000-01-19 Thread Paolo Ciccone
On Wed, Jan 19, 2000 at 02:36:30PM -0500, Daniel Stux wrote: > Here is what I see with Linux. I am running on a freshly installed RedHat > 6.1 machine. With either JDK, running in native threads is absolutely > crippling. There seems to be a serparate JDK process ID for each running > thread, or o

Re: Terrible native thread performance

2000-01-19 Thread Jonathan Doughty
Daniel Stux wrote: > Here is what I see with Linux. I am running on a freshly installed > RedHat 6.1 machine. With either JDK, running in native threads is > absolutely crippling. There seems to be a serparate JDK process ID > for each running thread, or otherwise something is casuing it to > for

Terrible native thread performance

2000-01-19 Thread Daniel Stux
Hi folks, I've just installed two versions of the JDK1.2.2 for linux: Sun's RC2, and Blackdown's RC3. I am experiencing the wierdest behavior I have ever seen for a JDK. Here is what I am *used* to seeing. We run Java all day long on Solaris Sparc and x86 and Windows NT. With green threads, thin