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PEP 454: uh ho, fix many typos in the Rationale

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Victor Stinner 2013-09-04 02:02:50 +02:00
parent bb7b188f66
commit a80266cdc2
1 changed files with 11 additions and 10 deletions
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pep-0454.txt
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@ -22,20 +22,21 @@ Rationale
Common debug tools tracing memory allocations read the C filename and Common debug tools tracing memory allocations read the C filename and
number. Using such tool to analyze Python memory allocations does not number. Using such tool to analyze Python memory allocations does not
help because most memory allocations are done in the same C function, help because most memory block are allocated in the same C function,
``PyMem_Malloc()`` for example. in ``PyMem_Malloc()`` for example.
There are debug tools dedicated to the Python languages like ``Heapy`` There are debug tools dedicated to the Python language like ``Heapy``
and ``PySizer``. These projects analyze objects type and/or content. and ``PySizer``. These projects analyze objects type and/or content.
These tools are useful when the most memory leak are instances of the These tools are useful when most memory leaks are instances of the
same type and this type in allocated only in a few functions. The same type and this type is only instancied in a few functions. The
problem is when the object type is very common like ``str`` or problem is when the object type is very common like ``str`` or
``tuple``, and it is hard to identify where these objects are allocated. ``tuple``, and it is hard to identify where these objects are
instancied.
Finding reference cycles is also a difficult task. There are different Finding reference cycles is also a difficult problem. There are
tools to draw a diagram of all references. These tools cannot be used different tools to draw a diagram of all references. These tools cannot
huge on large applications with thousands of objects because the diagram be used on large applications with thousands of objects because the
is too huge to be analyzed manually. diagram is too huge to be analyzed manually.
Proposal Proposal