[pypy-commit] pypy stmgc-c8: Progress, but still something TO DO
arigo
noreply at buildbot.pypy.org
Thu Jun 25 22:47:29 CEST 2015
Author: Armin Rigo <arigo at tunes.org>
Branch: stmgc-c8
Changeset: r78309:163959b2883e
Date: 2015-06-25 10:16 +0200
http://bitbucket.org/pypy/pypy/changeset/163959b2883e/
Log: Progress, but still something TO DO
diff --git a/TODO b/TODO
--- a/TODO
+++ b/TODO
@@ -7,13 +7,25 @@
------------------------------------------------------------
-better heuristic of when to break transactions? e.g., we should
-rarely break if there are not threads running in parallel.
-But we need to break sometimes in order to run finalizers...
+check what occurs with finalizers: in single-threaded programs
+they are fine, but in this example they seem not called often
+enough:
-IMPROVED, but we should check if we break often enough to run
-finaliers from time to time, or if we really make infinite
-transactions
+ import gc, thread, time
+ class Foo(object):
+ count = 0
+ def __init__(self):
+ Foo.count += 1
+ def __del__(self):
+ Foo.count -= 1
+ def f():
+ while True:
+ [Foo() for j in range(100000)]
+ gc.collect()
+ print Foo.count
+ thread.start_new_thread(f, ())
+ thread.start_new_thread(f, ())
+ time.sleep(99)
------------------------------------------------------------
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