[concurrency-interest] padding in Exchanger

Vitaly Davidovich vitalyd at gmail.com
Tue Jan 17 09:33:13 EST 2012


Doug,

For what it's worth, +1 on the annotation proposal.

Curious - which i7 arch has 128 byte cache line? I know Netburst used to
have 128 as a blocked pair of two 64 byte lines, but didn't see anything on
the newer chips.

Thanks
On Jan 17, 2012 8:24 AM, "Doug Lea" <dl at cs.oswego.edu> wrote:

> On 01/17/12 08:01, √iktor Ҡlang wrote:
>
>> What is the outlook for getting the contended annotation in the java spec?
>>
>>
> I have expected an OpenJDK Enhancement Proposal (JEP -- see
> http://openjdk.java.net/jeps/0**) on this to appear any day now
> for about four months. People at Oracle reading this list
> should look into what it holding it up :-)
>
> -Doug
>
>
>
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