On Mon, 2015-09-28 at 12:46 +0000, John Colvin via Digitalmars-d-learn wrote: > […] > > Pretty much as expected. Locks are slow, shared accumulators > suck, much better to write to thread local and then merge.
Quite. Dataflow is where the parallel action is. (Except for those writing concurrency and parallelism libraries) Anyone doing concurrency and parallelism with shared memory multi-threading, locks, synchronized, mutexes, etc. is doing it wrong. This has been known since the 1970s, but the programming community got sidetracked by lack of abstraction (*) for a couple of decades. (*) I blame C, C++ and Java. And programmers who programmed before (or worse, without) thinking. -- Russel. ============================================================================= Dr Russel Winder t: +44 20 7585 2200 voip: sip:russel.win...@ekiga.net 41 Buckmaster Road m: +44 7770 465 077 xmpp: rus...@winder.org.uk London SW11 1EN, UK w: www.russel.org.uk skype: russel_winder
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