Seconded. Well done guys. Cheers, Simon On 12/02/13 08:46, Simon Peyton-Jones wrote:
Andreas, Kazu, Johan
That is a truly monumental sequence of patches! Thank you all for working so hard on making GHC better.
Better together! Onward and upward.
Simon
*From:*ghc-devs-bounces@haskell.org [mailto:ghc-devs-bounces@haskell.org] *On Behalf Of *Johan Tibell *Sent:* 12 February 2013 07:03 *To:* ghc-devs@haskell.org *Cc:* Kazu Yamamoto (山本和彦); Andreas Voellmy *Subject:* Heads-up: new parallel I/O manager merged
Hi,
I've merged the new parallel I/O manager that Andreas Voellmy and Kazu Yamamoto have been working on. The new parallel I/O manager scales much better than the current one*: the number of requests per second scales almost linearly up to 32 cores I believe. Perhaps Andreas could post the numbers.
If you see any bugs that you think are related to the new I/O manager, please let Andreas and Kazu know.
* The current one (which replaced an even earlier one) scaled well in the number of open file descriptors and performed better than the I/O manager it replaced, but it didn't scale well to multiple cores.
Cheers,
Johan
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