[Python-Dev] Re: radix tree arena map for obmalloc

2019年6月15日 21:13:39 -0700

On 2019年06月15日, Antoine Pitrou wrote:
> We should evaluate what problem we are trying to solve here, instead
> of staring at micro-benchmark numbers on an idle system.
I think a change to obmalloc is not going to get accepted unless we
can show it doesn't hurt these micro-benchmarks. To displace the
status quo, it has to give other advantages as well. I don't have
any agenda or "problem to solve". After Tim made a PR to allow
obmalloc to use larger pools, I thought it would be interesting to
see if a arena mapping scheme based on radix trees should be
performance competitive. I'm not proposing any changes to CPython
at this point. I'm sharing the results of an experiment. I thought
it was interesting. I guess you don't.
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