[pypy-svn] r77188 - pypy/extradoc/planning
arigo at codespeak.net
arigo at codespeak.net
Mon Sep 20 10:09:55 CEST 2010
Author: arigo
Date: Mon Sep 20 10:09:54 2010
New Revision: 77188
Modified:
pypy/extradoc/planning/gc.txt
pypy/extradoc/planning/gcplan.txt
Log:
Flag card marking as "partially done".
Modified: pypy/extradoc/planning/gc.txt
==============================================================================
--- pypy/extradoc/planning/gc.txt (original)
+++ pypy/extradoc/planning/gc.txt Mon Sep 20 10:09:54 2010
@@ -1,6 +1,12 @@
Card marking GC for PyPy
========================
+
+UPDATE: partially done in the minimark GC: large arrays are
+allocated with a few extra bytes containing card marker bits.
+
+
+
With a generational GC one needs to keep track of references from the old
generation to the young one using a write barrier. Currently this is
implemented with a list of old objects that contain pointers to young objects.
Modified: pypy/extradoc/planning/gcplan.txt
==============================================================================
--- pypy/extradoc/planning/gcplan.txt (original)
+++ pypy/extradoc/planning/gcplan.txt Mon Sep 20 10:09:54 2010
@@ -1,4 +1,9 @@
+
+UPDATE: partially done in the minimark GC: large arrays are
+allocated with a few extra bytes containing card marker bits.
+
+
The problem:
============
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