[pypy-issue] [issue1678] example 20x slower after the first time

[Brian Kearns]

Brian Kearns <bdkearns at gmail.com> added the comment:

ubuntu at leno:~$ ./pypy-c-jit-67776-748abf94a70d-linux64/bin/pypy pypy/x.py
0.161542892456
0.619294881821
0.613882780075
^C^[[ATraceback (most recent call last):
  File "app_main.py", line 72, in run_toplevel
  File "pypy/x.py", line 10, in <module>
    fibonacci(32)
KeyboardInterrupt
ubuntu at leno:~$ ./pypy-c-jit-67802-b96a176fed01-linux64/bin/pypy pypy/x.py
0.179089069366
2.2699611187
2.27039408684
^CTraceback (most recent call last):
  File "app_main.py", line 72, in run_toplevel
  File "pypy/x.py", line 10, in <module>
    fibonacci(32)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
  File "pypy/x.py", line 6, in fibonacci
    return fibonacci(n - 2) + fibonacci(n - 1)
...

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nosy: +bdk

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PyPy bug tracker <tracker at bugs.pypy.org>
<https://bugs.pypy.org/issue1678>
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