Thu Aug 20 07:43:08 PDT 2009 Simon Marlow <[email protected]>
* Relax the assumption that all objects fit in a single block (#3424)
Ignore-this: 44ec5ed31491241b6f03182c80c0681e
It is possible for the program to allocate single object larger than a
block, without going through the normal large-object mechanisms that
we have for arrays and threads and so on.
The GC was assuming that no object was larger than a block, but #3424
contains a program that breaks the assumption. This patch removes the
assumption. The objects in question will still be copied, that is
they don't get the normal large-object treatment, but this case is
unlikely to occur often in practice.
In the future we may improve things by generating code to allocate
them as large objects in the first place.
M ./rts/sm/GCUtils.c -11 +26
View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20090820144308-12142-182cf459b9ab78a75668a7626972a57a9c36b457.gz
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