FFI calls: is it possible to allocate a small memory block on a
rtvd at mac.com
Fri Apr 23 14:07:29 EDT 2010
It appears that I am on 6.12.
Strange, as I thought I have check-out the HEAD by following the
instructions on the wiki:
darcs get --partial http://darcs.haskell.org/ghc
The wiki does not tell explicitly what will be checked out, so I
expected it to be HEAD.
With kind regards,
> Denys Rtveliashvili wrote:
> > OK, the code I have checked out from the repository contains this in
> > "rts/sm/Storage.h":
> [global pinned_object_block variable]
> Odd. This was changed in ghc head by a patch dating Dec 1st 2009:
> Tue Dec 1 17:03:21 CET 2009 Simon Marlow <marlowsd at gmail.com>
> * Make allocatePinned use local storage, and other refactorings
> This is a batch of refactoring to remove some of the GC's global
> state, as we move towards CPU-local GC.
> - allocatePinned() was still allocating from global storage and
> taking a lock each time, now it uses local storage.
> (mallocForeignPtrBytes should be faster with -threaded).
> which turned pinned_object_block into a per-capability variable.
> So which version of ghc are you looking at?
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