strange performance

Alexandre Oliva oliva at
Tue Nov 17 15:20:28 PST 1998

On Nov 16, 1998, Jose de Oliveira Guimaraes <jose at> wrote:

> We have made some performance tests using Kaffe and got some strange
> results. 

>    Can someone tell us what is happening ? We would thank ! 

As Archie Cobbs told you, your results are closer to linear than it
seems.  The start-up time of the VM and the JIT compilation are quite

You might want to take a look at the program I wrote to time various
Java bytecodes, such as method invocation, field and array operations.
It is distributed with Guaraná
( since release 1.4.1.
There's a technical report describing the results I've obtained.


Alexandre Oliva  aoliva@{}
Universidade Estadual de Campinas, SP, Brasil

More information about the kaffe mailing list