[issue33597] Compact PyGC_Head

[INADA Naoki]

INADA Naoki <songofacandy at gmail.com> added the comment:

In Doc folder:

  make clean
  make PYTHON=../python venv
  /usr/bin/time make html

master:

  113.15user 0.41system 1:55.46elapsed 98%CPU (0avgtext+0avgdata 
205472maxresident)k
  18800inputs+223544outputs (1major+66066minor)pagefaults 0swaps

  111.07user 0.44system 1:51.72elapsed 99%CPU (0avgtext+0avgdata 205052maxresident)k
  0inputs+223376outputs (0major+65855minor)pagefaults 0swaps

patched:

  109.92user 0.44system 1:50.43elapsed 99%CPU (0avgtext+0avgdata 195832maxresident)k
  0inputs+223376outputs (0major+63206minor)pagefaults 0swaps

  110.70user 0.40system 1:51.50elapsed 99%CPU (0avgtext+0avgdata 195516maxresident)k
  0inputs+223376outputs (0major+62723minor)pagefaults 0swaps

It seems reduced 5% memory footprint, and performance difference is very small.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33597>
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