Heads-up: new parallel I/O manager merged

[Kazu Yamamoto ( 山本和彦 )]

Hello,

This phenomenon has gone away today. Building is OK on Mac.
Also "validate" resulted in:

Unexpected failures:
   codeGen/should_run  cgrun071 [bad exit code] (normal)
   perf/compiler       T4801 [stat too good] (normal)
   perf/haddock        haddock.Cabal [stat not good enough] (normal)
   perf/haddock        haddock.base [stat not good enough] (normal)

--Kazu

> Hi all,
> 
>> 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.
> 
> Just after Johan's merge, I could build GHC on Mac. But after executing
> 	./sync-all -r git://github.com/ghc --testsuite pull
> today, I cannot build GHC on Mac:
> 
> ----
> ghc-stage1: could not execute: /usr/bin/gcc
> make[1]: *** [libraries/template-haskell/dist-install/build/Language/Haskell/TH/Syntax.o] Error 1
> make[1]: *** Waiting for unfinished jobs....
> make: *** [all] Error 2
> ----
> 
> I would like to know whether or not this failure is due to our
> patches. Since building GHC with our patches were unstable on Mac, we
> made a workaround. Andreas and I need to know that this workaround is
> stable enough:
> 
> 	https://github.com/ghc/packages-base/commit/bcf8724642f3cec73587313878047c87fd61e18f
> 	https://github.com/ghc/packages-base/commit/51a8b9bb878247675b6e003fa081f1a22b2ae420
> 	http://hackage.haskell.org/trac/ghc/ticket/7651
> 
> Any information is welcome.
> 
> Building GHC on FreeBSD is fine.
> 
> --Kazu
> 
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