[concurrency-interest] Suggestion: .hardGet() for atomicvariables
vitalyd at gmail.com
Mon Jan 23 12:10:05 EST 2012
Sent from my phone
On Jan 23, 2012 11:21 AM, "Ruslan Cheremin" <cheremin at gmail.com> wrote:
> I can remember some blog post (by Dave Dice, if my memory is correct),
> in which this improvement was discussed. And benchmarks, presented
> where, shown rather little improvement -- like 15%, or something about
> it. Do you have another values for performance improvement?
> 2012/1/23 Ismael Juma <mlists at juma.me.uk>:
> > Hi Nathan,
> > On Mon, Jan 23, 2012 at 3:55 PM, Nathan Reynolds
> > <nathan.reynolds at oracle.com> wrote:
> >> There is an enhancement request to make getAndAdd a compiler intrinsic
> >> x86. The method would be replaced with "lock xadd".
> > This has been discussed a few times. Do you have any idea if this will be
> > implemented in the near future?
> > Best,
> > Ismael
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