Author Mark.Shannon
Recipients Mark.Shannon, pitrou, rhettinger, skrah
Date 2013-04-03.19:39:33
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Message-id <1365017973.82.0.871947806324.issue17611@psf.upfronthosting.co.za>
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Stefan,
I tried running your pi_bench (increasing the numer of iterations by x10 to reduce jitter). The run to run variation exceed the difference between the two versions. Here are the fastest of 7 runs on my machine.
i3-2370M CPU @ 2.40GHz × 4. linux 64bit. 

With patch:
1.154152s

Without patch:
1.157730s

I'm somewhat surprised by the slowdown on your machine. There should be no difference in the bytecodes executed or their implementation in the pi_float loop.
History
Date User Action Args
2013-04-03 19:39:33Mark.Shannonsetrecipients: + Mark.Shannon, rhettinger, pitrou, skrah
2013-04-03 19:39:33Mark.Shannonsetmessageid: <1365017973.82.0.871947806324.issue17611@psf.upfronthosting.co.za>
2013-04-03 19:39:33Mark.Shannonlinkissue17611 messages
2013-04-03 19:39:33Mark.Shannoncreate