LLVM vs stock GCC

Gary Meyer gary.meyer at apple.com
Mon Apr 18 13:21:07 PDT 2011


There's nothing wrong with Henri's tests.  making any conclusions about OpenJDK-macosx-port isn't really fair since it isn't anywhere near finished (or even functional, really).  We have to get it to work before we will make it fast.
Gary.
=======================
Gary Meyer
Java Software Build Engineer
gary.meyer at apple.com

On Apr 18, 2011, at 1:16 PM, Julien Ponge wrote:

> What's wrong in Henri's tests?
> 
> -- 
> Julien Ponge
> 
> On lundi 18 avril 2011 at 22:03, Gary Meyer wrote:
> 
>> no, llvm is actually faster … to a certain extent you are comparing apple to oranges
>> =======================
>> Gary Meyer
>> Java Software Build Engineer
>> gary.meyer at apple.com
>> 
>> On Apr 18, 2011, at 12:46 PM, Henri Gomez wrote:
>> 
>>> Hi to all,
>>> 
>>> I do some benchmarks with various JVMs available on OS/X
>>> (http://blog.hgomez.net/2011/04/18/apple-jdk’s-openjdks-–-core2duo-vs-core-i7/)
>>> 
>>> Apple VM (1.6.0-22/1.6.0-24), OpenJDK 6, OpenJDK 7 from bsd-port and
>>> OpenJDK 7 from macosx-port.
>>> 
>>> I notice a small performance loss in macosx-port version, which is
>>> similar to bsd-port code base, except it's using LLVM.
>>> 
>>> Did there is a penalty using LLVM instead of stock GCC ?
>>> 
>>> Thanks
> 



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