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Diffstat (limited to 'docs/users_guide/runtime_control.rst')
| -rw-r--r-- | docs/users_guide/runtime_control.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/users_guide/runtime_control.rst b/docs/users_guide/runtime_control.rst index 5d3b24adac..5b4766a678 100644 --- a/docs/users_guide/runtime_control.rst +++ b/docs/users_guide/runtime_control.rst @@ -411,6 +411,17 @@ performance. Note that :rts-flag:`--nonmoving-gc` cannot be used with ``-G1``, :rts-flag:`profiling <-hc>` nor :rts-flag:`-c`. +.. rts-flag:: -w + + :default: off + :since: a long time ago + :reverse: none + + Uses a mark-region garbage collection strategy for the oldest-generation heap. + Note that this cannot be used in conjunction with heap profiling + (:rts-flag:`-hT`) unless linked against the profiling runtime system with + :ghc-flag:`-prof`. + .. rts-flag:: -xn :default: off |