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v0.8.1
v0.8.1
https://github.com/python/cpython
Revision 35b95aaf21534e4a8e3370dfd6f7482265316c9e authored by Victor Stinner on 27 October 2020, 21:24:33 UTC, committed by GitHub on 27 October 2020, 21:24:33 UTC
Move the _PyLong_GetOne() call outside the fast-path loop.
1 parent c310185
Tip revision: 35b95aaf21534e4a8e3370dfd6f7482265316c9e authored by Victor Stinner on 27 October 2020, 21:24:33 UTC
bpo-42161: Micro-optimize _collections._count_elements() (GH-23008)
bpo-42161: Micro-optimize _collections._count_elements() (GH-23008)
Tip revision: 35b95aa
typeslots.py
#!/usr/bin/python
# Usage: typeslots.py < Include/typeslots.h typeslots.inc
import sys, re
def generate_typeslots(out=sys.stdout):
out.write("/* Generated by typeslots.py */\n")
res = {}
for line in sys.stdin:
m = re.match("#define Py_([a-z_]+) ([0-9]+)", line)
if not m:
continue
member = m.group(1)
if member.startswith("tp_"):
member = "ht_type."+member
elif member.startswith("am_"):
member = "as_async."+member
elif member.startswith("nb_"):
member = "as_number."+member
elif member.startswith("mp_"):
member = "as_mapping."+member
elif member.startswith("sq_"):
member = "as_sequence."+member
elif member.startswith("bf_"):
member = "as_buffer."+member
res[int(m.group(2))] = member
M = max(res.keys())+1
for i in range(1,M):
if i in res:
out.write("offsetof(PyHeapTypeObject, %s),\n" % res[i])
else:
out.write("0,\n")
def main():
if len(sys.argv) == 2:
with open(sys.argv[1], "w") as f:
generate_typeslots(f)
else:
generate_typeslots()
if __name__ == "__main__":
main()
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