#10570: sage leaves a lot of stackframes alive at startup
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Reporter: mderickx | Owner: rlm
Type: defect | Status: new
Priority: critical | Milestone: sage-4.7
Component: memleak | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by mderickx):
This shows that #10548 is actually the cause of the factorial generator.
{{{
sage: import gc
sage: import inspect
sage: frames=[x for x in gc.get_objects() if inspect.isframe(x)]
sage:
l=objgraph.find_backref_chain(frames[0],inspect.ismodule,max_depth=15,extra_ignore=[id(frames)])
sage:
l=objgraph.find_backref_chain(frames[8],inspect.ismodule,max_depth=15,extra_ignore=[id(frames)])
sage: map(type,l)
[<type 'module'>, <type 'dict'>, <type
'sage.structure.coerce.CoercionModel_cache_maps'>, <type 'list'>, <type
'tuple'>, <type 'traceback'>, <type 'frame'>, <type 'frame'>, <type
'frame'>, <type 'frame'>]
}}}
I'm going to add a patch to remove all the other stack frames in the way
david sugested so this ticket can be closed. (since when there is a fix
for 10548 it should also remove last stackframe)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10570#comment:3>
Sage <http://www.sagemath.org>
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