From 85aa5bc2c660f2f13558ce6c2afd8c9bd6dfe976 Mon Sep 17 00:00:00 2001 From: Richard Brooksby Date: Thu, 24 Mar 2016 03:35:58 +0000 Subject: [PATCH] Writing release note about shield coalescing. Copied from Perforce Change: 190364 ServerID: perforce.ravenbrook.com --- mps/manual/source/release.rst | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/mps/manual/source/release.rst b/mps/manual/source/release.rst index 1a70fd0b0b2..e976a4a4ea2 100644 --- a/mps/manual/source/release.rst +++ b/mps/manual/source/release.rst @@ -141,6 +141,14 @@ Other changes .. _job003938: https://www.ravenbrook.com/project/mps/issue/job003938/ +#. The MPS coalesces memory protection, reducing the number of system + calls. This drastically improves real run time on operating systems + where memory protection is poorly implemented, such as OS X, but + also has a significant effect on Linux. See job003371_ and + job003975_. + + .. _job003371: http://www.ravenbrook.com/project/mps/issue/job003371/ + .. _job003975: http://www.ravenbrook.com/project/mps/issue/job003975/ .. _release-notes-1.114: