[Python-Dev] Python startup time

Glenn Linderman v+python at g.nevcal.com
Thu May 3 01:56:38 EDT 2018


On 5/2/2018 8:56 PM, Gregory Szorc wrote:
> Nobody in the project is seriously talking about a complete rewrite in 
> Rust. Contributors to the project have varying opinions on how 
> aggressively Rust should be utilized. People who contribute to the C 
> code, low-level primitives (like storage, deltas, etc), and those who 
> care about performance tend to want more Rust. One thing we almost 
> universally agree on is that we want to rewrite all of Mercurial's C 
> code in Rust. I anticipate that figuring out the balance between Rust 
> and Python in Mercurial will be an ongoing conversation/process for 
> the next few years.
Have you considered simply rewriting CPython in Rust?

And yes, the 4th word in that question was intended to produce peals of 
shocked laughter. But why Rust? Why not Go? http://esr.ibiblio.org/?p=7724
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