Heapyを試す

さきのエントリで名前が出てきたHeapyをへろっと試してみた。
dictを100回ネストと、インスタンスを1100回ネスト、listを1000回ネストしてみた。

In [14]: h.heap()
Out[14]:
Partition of a set of 60943 objects. Total size = 9562944 bytes.
 Index  Count   %     Size   % Cumulative  % Kind (class / dict of class)
     0  31276  51  2886304  30   2886304  30 str
     1    541   1  1295696  14   4182000  44 dict (no owner)
     2  13437  22  1254624  13   5436624  57 tuple
     3    204   0   809728   8   6246352  65 guppy.sets.setsc.ImmNodeSet
     4    186   0   603552   6   6849904  72 dict of module
     5   3628   6   435360   5   7285264  76 function
     6   3617   6   405104   4   7690368  80 types.CodeType
     7    363   1   326168   3   8016536  84 list
     8    342   1   284256   3   8300792  87 dict of class
     9    196   0   246848   3   8547640  89 dict of type
In [16]: d = {}

In [17]: for i in range(100):
    d = dict(hoge=d)
Out[19]:
Partition of a set of 61155 objects. Total size = 9609792 bytes.
 Index  Count   %     Size   % Cumulative  % Kind (class / dict of class)
     0  31284  51  2886704  30   2886704  30 str
     1    645   1  1327824  14   4214528  44 dict (no owner)
     2  13445  22  1255192  13   5469720  57 tuple
     3    204   0   809728   8   6279448  65 guppy.sets.setsc.ImmNodeSet
     4    186   0   603552   6   6883000  72 dict of module
     5   3628   6   435360   5   7318360  76 function
     6   3617   6   405104   4   7723464  80 types.CodeType
     7    365   1   326440   3   8049904  84 list
     8    342   1   284256   3   8334160  87 dict of class
     9    196   0   246848   3   8581008  89 dict of type
In [20]: len(gc.get_objects())
Out[20]: 27920

In [21]: class Hoge:
   ....:     def __init__(self, v):
   ....:         self._v = v
   ....:
   ....:

In [22]: x = Hoge(None)

In [23]: for i in range(100):
   ....:     x = Hoge(x)
   ....:
   ....:

In [24]: h.heap()
Out[24]:
Partition of a set of 61438 objects. Total size = 9656504 bytes.
 Index  Count   %     Size   % Cumulative  % Kind (class / dict of class)
     0  31295  51  2887240  30   2887240  30 str
     1    647   1  1330672  14   4217912  44 dict (no owner)
     2  13450  22  1255552  13   5473464  57 tuple
     3    204   0   809728   8   6283192  65 guppy.sets.setsc.ImmNodeSet
     4    186   0   603552   6   6886744  71 dict of module
     5   3629   6   435480   5   7322224  76 function
     6   3618   6   405216   4   7727440  80 types.CodeType
     7    365   1   326440   3   8053880  83 list
     8    343   1   284528   3   8338408  86 dict of class
     9    196   0   246848   3   8585256  89 dict of type
In [25]: for i in range(1000):
    x = Hoge(x)
   ....:
   ....:

In [27]: h.heap()
Out[27]:
Partition of a set of 63469 objects. Total size = 10005064 bytes.
 Index  Count   %     Size   % Cumulative  % Kind (class / dict of class)
     0  31299  49  2887432  29   2887432  29 str
     1    648   1  1331712  13   4219144  42 dict (no owner)
     2  13451  21  1255624  13   5474768  55 tuple
     3    204   0   809728   8   6284496  63 guppy.sets.setsc.ImmNodeSet
     4    186   0   603552   6   6888048  69 dict of module
     5   3629   6   435480   4   7323528  73 function
     6   3618   6   405216   4   7728744  77 types.CodeType
     7    365   1   326440   3   8055184  81 list
     8   1101   2   299472   3   8354656  84 dict of __main__.Hoge
     9    343   1   284528   3   8639184  86 dict of class
n [32]: for i in range(1000):
   ....:     L = [L]
   ....:
   ....:

In [33]: h.heap()
Out[33]:
Partition of a set of 64569 objects. Total size = 10159328 bytes.
 Index  Count   %     Size   % Cumulative  % Kind (class / dict of class)
     0  31306  48  2887792  28   2887792  28 str
     1    651   1  1337136  13   4224928  42 dict (no owner)
     2  13457  21  1256096  12   5481024  54 tuple
     3    204   0   809728   8   6290752  62 guppy.sets.setsc.ImmNodeSet
     4    186   0   603552   6   6894304  68 dict of module
     5   1366   2   462512   5   7356816  72 list
     6   3629   6   435480   4   7792296  77 function
     7   3618   6   405216   4   8197512  81 types.CodeType
     8   1101   2   299472   3   8496984  84 dict of __main__.Hoge
     9    343   1   284528   3   8781512  86 dict of class