On Wednesday 10 March 2010 04:08:19 pm Thomas Schilling wrote: > PAP stands for partial application, i.e., a function with one or more > missing arguments. MUT_ARR_PTRS_FROZEN are mutable objects which are > not moved by the garbage collector. They are an implementation detail > of IORefs and mutable arrays (ST(U)Array, IO(U)Array, ...). Before > entering a suspended computation (a THUNK), GHC overwrites it with a > BLACKHOLE, to avoid space leaks and to detect cyclic dependencies. > > HTH
Yes, that does help, thanks. > > On 10 March 2010 13:30, Soenke Hahn <sh...@cs.tu-berlin.de> wrote: > > When using the heap profiling options -hd (profiling by closure > > description) and -hy (profiling by type) there are some > > compiler-generated cost centres, for example "PAP", > > "MUT_ARR_PTRS_FROZEN" and "BLACKHOLE". I wasn't able to find > > documentation on them. Is there any? > > > > Thanks, > > Sönke > > _______________________________________________ > > Glasgow-haskell-users mailing list > > Glasgow-haskell-users@haskell.org > > http://www.haskell.org/mailman/listinfo/glasgow-haskell-users -- http://open-projects.net/~shahn/ http://www.joyridelabs.de/ _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
