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    It's worth noting you statement about stream traversal is only true for a non-parallel stream. parallelStream supports similar synchronization of simple traversals/maps/filtering etc.. Commented May 13, 2015 at 15:07
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    I don't think "So the same task using RxJava may be slower than with Java 8 stream." holds true universally, its heavily depending on the task at hand. Commented Feb 9, 2016 at 9:26
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    I am glad you said same task using RxJava may be slower than with Java 8 stream. This is a very important distinction that many RxJava users aren't aware of. Commented Mar 8, 2016 at 13:49
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    @marcin-koziński you can check this benchmark : twitter.com/akarnokd/status/752465265091309568 Commented Jul 23, 2016 at 12:05
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    It'd be nice to have a list of use cases recommending J8 or Rx streams usage for each. Commented Dec 2, 2019 at 17:43