Re: [Sablevm-developer] Threading support in SableVM

[Archie C. <ar...@de...>]

Chris Pickett wrote:
> "Locking any lock conceptually flushes all variables from a thread's 
> working memory, and unlocking any lock forces the writing out to main 
> memory of all variables that the thread has assigned."
> 
> I'm pretty sure that when the spec says "working memory" it does not 
> mean "processor cache" but "thread-local heap".  SableVM doesn't have 
> thread-local heaps (we discussed it the other day), and to me a large 
> part of the JMM appears to be unimportant for SableVM.

I think that's mistaken... by "working memory" they just mean
a conceptual "working memory" that only the one thread has access to.
I.e., the processor cache metaphor is a good one here.
Thread-local heaps are a different topic I think.

-Archie

__________________________________________________________________________
Archie Cobbs      *        CTO, Awarix        *      http://www.awarix.com