Performance Update

[Chanwit Kaewkasi]

On Wed, Jul 8, 2009 at 8:50 PM, Jochen Theodorou<blackdrag at gmx.org> wrote:
> Chanwit Kaewkasi schrieb:
>> Hi all,
>>
>> I have re-run a Fibonacci benchmark generated by my G7 compiler on the
>> latest mlvm build (also with indy.compiler and indy.compiler.inline
>> patches).
>> And the performance is incredible !!!
>>
>> [root at andLinux g7]# time `java -cp
>> .:target/classes/:target/test-classes -server -XX:+EnableInvokeDynamic
>> g7.tests.classgen.Fib`
>>
>> real  0m2.230s
>> user  0m1.940s
>> sys   0m0.250s
>>
>> It's very close to *native Java* now, if I correctly remember the figure.
>
> from looking at the produced bytecode you did show I assume there is
> still some potential if boxing of int can be avoided.

Currently the bootstrap in G7 does not support primitives, so this is
possibly true.

> Or is that
> optimized away?

Really do not know what's happening behind the scene. It would be
great if I could be able to dump and see the optimized native codes.

Cheers,

Chanwit

> bye Jochen
>
> --
> Jochen "blackdrag" Theodorou
> The Groovy Project Tech Lead (http://groovy.codehaus.org)
> http://blackdragsview.blogspot.com/
>
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-- 
Chanwit Kaewkasi
PhD Candidate,
Centre for Novel Computing
School of Computer Science
The University of Manchester
Oxford Road
Manchester
M13 9PL, UK