Commit 5a58634e authored by Ben Gamari's avatar Ben Gamari 🐢

release notes: Note new two-step allocator

parent 43e02d12
......@@ -409,6 +409,13 @@ Template Haskell
Runtime system
~~~~~~~~~~~~~~
- We have a shiny new two-step memory allocator for 64-bit platforms (see
:ghc-ticket:`9706`). In addition to simplifying the runtime system's
implementation this may significantly improve garbage collector performance.
Note, however, that Haskell processes will have an apparent virtual memory
footprint of a terabyte or so. Don't worry though, most of this amount is merely
mapped but uncommitted address space which is not backed by physical memory.
- Support for performance monitoring with PAPI has been dropped.
- :rts-flag:`-maxN⟨x⟩ <-maxN>` flag added to complement :rts-flag:`-N`. It will
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