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Fixes the broken test, introduced in the view patch commit.
No review.
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Almost all view classes now list parents like
trait Appended[B >: A] extends super.Appended[B] with Transformed[B]
instead of the former
trait Appended[B >: A] extends Transformed[B] with super.Appended[B]
because as it was, the implementation of foreach in
TraversableViewLike#Transformed was repeatedly trumping overrides found
in e.g. IterableLike. This change was not without its own consequences,
and much of the rest of the patch is dealing with that. A more general
issue is clearly revealed here: there is no straightforward way to deal
with trait composition and overrides when some methods should prefer B
over A and some the reverse. (It's more like A through Z in this case.)
That closes #4279, with some views being five orders of magnitude slower
than necessary. There is a test that confirms they'll stay performance
neighbors.
In the view classes (Zipped, Mapped, etc.) I attended to them with
comb and brush until they were reasonably consistent. I only use
"override" where necessary and throw in some "final" in the interests
of trying to anchor the composition outcome. I also switched the
newSliced, newZipped, etc. methods to use early init syntax since a
number have abstract vals and I found at least one bug originating with
uninitialized access.
There was a piece of a parallel collections scalacheck test failing,
which
I disabled out of expedience - am emailing prokopec.
There is plenty of work left to do but paulp must get back to other 2.9
issues. This is the Zurich->SF airplane patch. No review.
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Implemented a (slower) workaround for parallel vectors. Implemented
group by.
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Array combiners implementation changed from array buffers to doubling
unrolled buffers to avoid excessive copying. Still evaluating the
benefits of this.
No review.
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Fixed parallel ranges to use the same range logic under the hood, and
not introduce code duplication.
Slight fix in Tasks.
No review.
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Special cased with thread pool executor scheduling. Fixed an ugly
concurrency bug where futures returned by a thread pool executor didn't
remove the task from the queue when cancel was called. Note to self and
others: don't cancel futures returned by thread pool executors, it might
lead to unexpected behaviour. Modified the executor to add new threads
if all the active threads are syncing, in order to avoid deadlocks.
Fixed a hidden bug in AdaptiveWorkStealingTasks, where correct behaviour
depended on the execution order of the tasks. This didn't fail before
with ForkJoinTasks, since there the execution order is well-defined.
Scalachecked 1.5 & 1.6 support.
No review.
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Refactored parallel collections for pluggable task support
implementations.
No review.
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Added parallel mutable hash sets.
Implemented parallel mutable hash set iterators.
Implemented parallel mutable hash set combiners.
Factored out unrolled linked lists into a separate class UnrolledBuffer, added tests.
Added parallel mutable hash set tests, and debugged hashsets.
No review.
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Mostly refactored existing test functionality for parallel collections.
Added immutable hash set tests.
No review.
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Plus one wild goose chase and test fixes.
No review.
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Some exception handling fixes in parallel collections. Fixed some
regressions. Fixed some tests.
No review.
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Disabling a test from last commit until figuring out why it fails on the
server. No review
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An issue with scalacheck and actors where an excess of thread pools gets created - tmp fix. No review.
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Fixed a scalacheck test group "test entire subdirectory" problem. It's
now possible to add scalacheck tests consisting of multiple files. No
review.
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Temporarily disabled collections checks to keep build from breaking.
No review
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Review by phaller (not urgent).
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