Performance patch for jdk1.5.0/amd64
Michael Vince
mv at roq.com
Sun Jan 22 21:44:43 PST 2006
Hi,
Does you have this patch as an attached file? I tried to use this patch
but it appears to be mangled and didn't work on the latest jdk15 in the
ports tree for me.
I really want to use this.
Regards,
Mike
Greg Lewis wrote:
>On Sun, Jan 15, 2006 at 05:45:40PM +0800, Huang wen hui wrote:
>
>
>>Huang wen hui wrote:
>>
>>
>>
>>>hi,
>>>I recently notice that jdk1.5.0-p2/amd64 is slower than jdk1.5.0-p2/i386
>>>on the same hardware in some situation.
>>>
>>>
>>>
>>>
>>I only got this problem on EM64T box, the "real" amd64 box do not affect.
>>
>>
>
>It looks like something to do with AMD64 having prefetchw and EM64T needing
>to use prefetcht0 instead.
>
>
>
More information about the freebsd-java
mailing list