A JIT, not a source compiler. Java source compilers never see the whole program.
I'm sure someone back in the day thought that JITs would never be able to inline non-final methods. On Fri, Jan 7, 2011 at 1:38 PM, Casper Bang <[email protected]> wrote: > Are you saying a future Java compiler will be able to just magically > parallelize arbitrary for loops (wow, how?), or are you hinting at the > ability to generate multiple loop bodies and fall back in case of > conflict/escape detection? In the latter case, that's not inference, > that's just a costly optimistic optimization border-lining brute-force > problem solving. > > On Jan 7, 2:24 pm, Ricky Clarkson <[email protected]> wrote: >> It's not outside the ability of a JIT to infer, which brings it back >> to being relevant to Java. Incidentally, Scala's in the same position >> as Java in that respect; it has no knowledge of whether methods have >> side effects. >> >> >> >> >> >> >> >> > all you need to understand is whether your loop body lends itself to >> > parallelization since this is obviously outside the ability of the >> > compiler* to magically infer. >> >> > *Here we're talking mainstream imperative Java/C#, not Haskell/ML/ >> > Clojure/Scala or other experimental languages, AFAIK this is still >> > called The Java Posse. >> >> > -- >> > You received this message because you are subscribed to the Google Groups >> > "The Java Posse" group. >> > To post to this group, send email to [email protected]. >> > To unsubscribe from this group, send email to >> > [email protected]. >> > For more options, visit this group >> > athttp://groups.google.com/group/javaposse?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "The Java Posse" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/javaposse?hl=en. > > -- You received this message because you are subscribed to the Google Groups "The Java Posse" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/javaposse?hl=en.
