[issue1814] Victor Stinner's GMP patch for longs

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

And Now for Something Completely Different. Benchmarks!
 - python3 rev67089.
 - Pentium4 @ 3.0 GHz (integer = 32 bits)
 - GCC 4.1.3 (Ubuntu Gutsy)

gcc -O0:
  builtin: 20920.5 pystones/second
  GMP: 17985.6 pystones/second

gcc -O3:
  builtin: 30120.5 pystones/second
  GMP: 25641.0 pystones/second

(I took the biggest value of 3 runs)

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<http://bugs.python.org/issue1814>
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