Caolan McNamara wrote: > I'm *sure* its good, but the scale of speed-up from 4 minutes 27 seconds > to 11 seconds is massively more than I expected. Especially as the > insert point is at the end, rather than at the beginning or middle which > would have required a lot of memmove type operations. > Played with it today, surely ::append is on a critical path, but beats me why exactly this is so much faster. Surely it saves some temporary B2DPolygon instances...
...random theory of the day: does vector::reserve() always ensure factor-of-two growth? Cheers, -- Thorsten
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