review of Projects/replay_cache_collision_avoidance, ending Jan. 12
tlyu at MIT.EDU
Mon Dec 29 14:35:24 EST 2008
Sam Hartman <hartmans at MIT.EDU> writes:
>>>>>> "Greg" == Greg Hudson <ghudson at MIT.EDU> writes:
> Greg> On Mon, 2008-12-29 at 08:02 -0500, Tom Yu wrote:
> >> What proportion of false positives is acceptable in a
> >> mixed-code deployment?
> Greg> I think mixed-code deployments are going to be rare. It's
> Greg> good that we're going to effort to prevent things from
> Greg> breaking in such deployments, but I don't think we need to
> Greg> bend over backwards to ensure that we still get a reduction
> Greg> in false positives in such environments.
> Greg, here are things that I think will make mixed-code reasonably common.
> * Using the native Java interface along side an OS library
> * different 64-bit and 32-bit libraries
64-bit vs 32-bit could be problematic if the two architectures have
different sizes for "int".
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