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Author skip.montanaro
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Date 2002-08-30.22:36:33
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I just went back and re-ran everything.  Here are the results.



methodology:
  * adjust source
  * recompile (always gcc 2.96 w/ -O3)
  * run pystones twice, ignoring values
  * run pystones three times, reporting values


------------------------------------------------------------------------------
baseline (none of this stuff)

Pystone(1.1) time for 50000 passes = 7.68
This machine benchmarks at 6510.42 pystones/second
Pystone(1.1) time for 50000 passes = 7.68
This machine benchmarks at 6510.42 pystones/second
Pystone(1.1) time for 50000 passes = 7.67
This machine benchmarks at 6518.9 pystones/second


------------------------------------------------------------------------------
baseline + check interval set to 100

Pystone(1.1) time for 50000 passes = 7.64
This machine benchmarks at 6544.5 pystones/second
Pystone(1.1) time for 50000 passes = 7.63
This machine benchmarks at 6553.08 pystones/second
Pystone(1.1) time for 50000 passes = 7.62
This machine benchmarks at 6561.68 pystones/second


------------------------------------------------------------------------------
global, volatile _Py_Ticker == 10
global, nonvolatile _Py_CheckInterval == 10
Jeremy's Py_AddPendingCall shortcut enabled

Pystone(1.1) time for 50000 passes = 7.67
This machine benchmarks at 6518.9 pystones/second
Pystone(1.1) time for 50000 passes = 7.7
This machine benchmarks at 6493.51 pystones/second
Pystone(1.1) time for 50000 passes = 7.68
This machine benchmarks at 6510.42 pystones/second


------------------------------------------------------------------------------
global, volatile _Py_Ticker == 100
global, nonvolatile _Py_CheckInterval == 100
Jeremy's Py_AddPendingCall shortcut enabled

Pystone(1.1) time for 50000 passes = 7.67
This machine benchmarks at 6518.9 pystones/second
Pystone(1.1) time for 50000 passes = 7.6
This machine benchmarks at 6578.95 pystones/second
Pystone(1.1) time for 50000 passes = 7.62
This machine benchmarks at 6561.68 pystones/second


------------------------------------------------------------------------------
global, nonvolatile _Py_Ticker == 100
global, nonvolatile _Py_CheckInterval == 100
Jeremy's Py_AddPendingCall shortcut disabled

Pystone(1.1) time for 50000 passes = 7.67
This machine benchmarks at 6518.9 pystones/second
Pystone(1.1) time for 50000 passes = 7.66
This machine benchmarks at 6527.42 pystones/second
Pystone(1.1) time for 50000 passes = 7.64
This machine benchmarks at 6544.5 pystones/second
History
Date User Action Args
2007-08-23 15:15:00adminlinkissue602191 messages
2007-08-23 15:15:00admincreate