Message 407322 - Python tracker

It's one data point (well, statistics over 1000 points), but it looks like it's actually a slight improvement in performance over the previous code on Windows :)

    before   after
min 23.103   22.154
25% 25.069   23.59925
50% 25.8125  24.2715
75% 26.65175 24.89575
max 147.567  138.997

Going to run a Linux test as well, since that was a completely different code path, but assuming it's not drastically different then I'll go ahead and merge.