On 24-Mar-09, at 3:15 PM, Raymond Hettinger wrote:
4% on a micro-micro-benchmark is hardly compelling...
I concur! This is utterly insignificant and certainly does
not warrant removing the checks.
-1 on these sort of fake optimizations. We should focus
on algorithmic improvements and eliminating redundant
work and whatnot. Removing checks that were put there for a reason
doesn't seem useful at all.
To be fair, the main proposed optimization(s) would speed up the
microbenchmark by 15-25% (Daniel already stated that the NULL checks
didn't have a significant impact). This seems significant,
considering that tight loops whose cost is heavily due to array access
are common.
-Mike
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