[Haskell-cafe] Parallel weirdness [new insights]

Bryan O'Sullivan bos at serpentine.com
Sun Apr 20 17:04:31 EDT 2008

Bulat Ziganshin wrote:

> yes. multi-threaded GC is planned gor next ghc version, afair

To be clear, it'll be a parallel GC, not a concurrent one.  The former
still stops all threads, but runs the collector on multiple cores at
once.  The latter performs collection while mutator threads are still
running, and is a lot trickier to implement.

(For a fine knee-slapping time, try reading a Java GC tuning guide.)


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