at their documentation
> says (allocate a new instance), or is there some kind of compiler magic
> that might avoid allocation?
>
>
--
Simon Roberts
(303) 249 3613
t all existing immutable objects (like the
> primitive-wrapping objects and String) should be annotated with @Immutable
> and the programmer could, for example, annotate a new record object with
> @Immutable only if all its fields are annotated with @Immutable.
> >
> > What do you think?
> >
> > Regards,
> >
> > Alberto Otero Rodríguez.
>
--
Simon Roberts
(303) 249 3613
decide that when the multiply() is called and then do the
> calculation sequentially.
>
> We probably also need to be able to turn it off entirely. Perhaps with
> something like -Djava.math.BigInteger.disableParallelMultiply=true.
>
> Heinz
>
> -
>
> PR: https://git.openjdk.java.net/jdk/pull/6409
>
--
Simon Roberts
(303) 249 3613
addAll:·gc.alloc.rate.normConcurrentLinkedDeque
> 10 312.0 ± 0.0B/op
> >> addAll:·gc.alloc.rate.normConcurrentLinkedDeque
> 100 2472.1 ± 0.0B/op
> >> addAll:·gc.alloc.rate.normConcurrentLinkedDeque
>
s calls don't
> >> 199: * accidentally create an array of type other than Object[].
> >
> > Why would that be a problem? If the resulting list is immutable, then
> the actual array type doesn't really matter, right?
>
> It's an implementation invariant that
; endTime = System.currentTimeMillis();System.out.println("parallel sorted
> execute time:" + (endTime - startTime) + "ms, resultset rows " + list.size()
> + ", " + (long) list.size() * 1000 / (endTime - startTime) + "
> rows/sec");
>
>
le testdata(
> idint,
> uptimetimestamp,
> xint,
> yint,
> cmttext
> );
> insert into testdata
> select
> id,
> uptime,
> round(random()*100),
> round(random()*100),
> md5(uptime::text)
>
