8000 Add section about the design of CPython's garbage collector by pablogsal · Pull Request #562 · python/devguide · GitHub
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Jan 21, 2020
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10ee4fd
Add section about the design of CPython's garbage collector
pablogsal Jan 20, 2020
8aac485
Fix several typos
pablogsal Jan 20, 2020
7776e14
Update garbage_collector.rst
pablogsal Jan 20, 2020
c72ce11
Fix more typos
pablogsal Jan 20, 2020
410487b
Update garbage_collector.rst
pablogsal Jan 20, 2020
b18da79
Update garbage_collector.rst
pablogsal Jan 20, 2020
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pablogsal Jan 20, 2020
811235f
Fix more typos
pablogsal Jan 20, 2020
8b72c71
Update garbage_collector.rst
pablogsal Jan 20, 2020
3b84282
Update garbage_collector.rst
pablogsal Jan 20, 2020
0d3f322
Apply suggestions from code review
pablogsal Jan 21, 2020
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pablogsal Jan 21, 2020
5ca46f7
Fix indentation and rework incomplete sentence
pablogsal Jan 21, 2020
404fcc5
Fix more indentation
pablogsal Jan 21, 2020
8fc0547
Rework sentence about _gc_prev
pablogsal Jan 21, 2020
e956478
Update garbage_collector.rst
pablogsal Jan 21, 2020
47190cd
Fix indentation
pablogsal Jan 21, 2020
722a99c
Fix quotes
pablogsal Jan 21, 2020
b40b030
Fix typo and indentation
pablogsal Jan 21, 2020
111b2bb
Update garbage_collector.rst
pablogsal Jan 21, 2020
2ec5002
Update garbage_collector.rst
pablogsal Jan 21, 2020
7c8e02a
Add author section
pablogsal Jan 21, 2020
e51d354
Add a warning section regarding tagged pointers
pablogsal Jan 21, 2020
411037f
Add reference to the memory layout
pablogsal Jan 21, 2020
4081607
Fix link to the generation section
pablogsal Jan 21, 2020
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pablogsal Jan 21, 2020
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pablogsal Jan 21, 2020
4321593
Address Petr feedback and fix more typos
pablogsal Jan 21, 2020
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Fix more typos
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pablogsal committed Jan 20, 2020
commit 811235f29657d2ae553e62d3447d65868076dc01
6 changes: 3 additions & 3 deletions garbage_collector.rst
Original file line number Diff line number Diff line change
Expand Up @@ -31,8 +31,8 @@ to the object when called):
>>> sys.getrefcount(x)
2

The main problem present with the reference count schema is that reference count does not
handle reference cycles. For instance, consider this code:
The main problem present with the reference count schema is that reference counting
does not handle reference cycles. For instance, consider this code:

.. code-block:: python

Expand Down Expand Up @@ -90,7 +90,7 @@ As is explained later in the `Optimization: reusing fields to save memory`_ sect
these two extra fields are normally used to keep doubly linked lists of all the
objects tracked by the garbage collector (these lists are the GC generations, more on
that in the `Optimization: reusing fields to save memory`_ section), but they are also
reused to fullfill other pourposes when the full double linked list structure is not
reused to fullfill other pourposes when the full doubly linked list structure is not
needed as a memory optimization.

Doubly linked lists are used because they efficiently support most frequently required operations. In
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