[pypy-commit] pypy stmgc-c8: updates

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: stmgc-c8
Changeset: r78270:8d3e51e892af
Date: 2015-06-23 17:25 +0200
http://bitbucket.org/pypy/pypy/changeset/8d3e51e892af/

Log:	updates

diff --git a/TODO b/TODO
--- a/TODO
+++ b/TODO
@@ -6,6 +6,9 @@
 ------------------------------------------------------------
 
 fuse the two 32bit setfield_gc for stmflags & tid in the jit
+(note: unclear if it makes a major difference: a single
+64bit setfield of an immediate that doesn't fit 32bit
+requires two instructions too)
 
 ------------------------------------------------------------
 
@@ -13,6 +16,10 @@
 rarely break if there are not threads running in parallel.
 But we need to break sometimes in order to run finalizers...
 
+IMPROVED, but we should check if we break often enough to run
+finaliers from time to time, or if we really make infinite
+transactions
+
 ------------------------------------------------------------
 
 maybe statically optimize away some stm_become_inevitable(), there
@@ -98,7 +105,8 @@
 
 ------------------------------------------------------------
 
-change the limit of 1 GB
+change the memory limit of a few GBs, try to replace it with something
+larger or even dynamic
 
 ------------------------------------------------------------
 
@@ -139,15 +147,6 @@
 
 ------------------------------------------------------------
 
-dicts: have an implementation that follows the principles in
-stmgc/hashtable/design.txt
-
-------------------------------------------------------------
-
-replace "atomic transactions" with better management of thread.locks.
-
-------------------------------------------------------------
-
 stm_read(p125)
 cond_call_gc_wb_array(p125...)    # don't need the stm_read maybe?