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_tracemalloc: remove pointer_t type #84789
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In bpo-26588, I modified the _tracemalloc module to support tracing memory allocations in multiple "domains" for numpy. I modified hashtable.c to support keys larger than void*, and I modified _tracemalloc.c to use a new pointer_t structure which is made of (domain: unsigned int, ptr: void*). These changes made hashtable.c way more complicated than what it should be. I would like to reuse hashtable.c in more places. I am working on a change to remove the pointer_t type from _tracemalloc.c, and instead use a hash table for traces of domains other than the default domain (0). The new hash table maps a domain to a hash table: traces of a domain. tracemalloc_traces remains the default hash table for traces of the default domain. Since it's the most common case, it doesn't go through the new hash table. |
I modified _Py_hashtable_t to remove key_size and data_size: keys are now always "void *" and values are now always "void *". See also bpo-40602: Move Modules/hashtable.h to Include/internal/pycore_hashtable.h. |
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