Day 14 of the quarantine: I started blogging about @rustlang
https://abramov.io/rust-dropping-things-in-another-thread/ …
Rust: Dropping heavy things in another thread can make your code 10000 times fasterpic.twitter.com/XxO7pPvWfL
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Day 14 of the quarantine: I started blogging about @rustlang
https://abramov.io/rust-dropping-things-in-another-thread/ …
Rust: Dropping heavy things in another thread can make your code 10000 times fasterpic.twitter.com/XxO7pPvWfL
I was wondering if you can avoid Drop by passing HeavyThing by reference instead? https://play.rust-lang.org/?version=stable&mode=release&edition=2018&gist=c70a48a26694b46d309f32b3bb2b2044 … drop in another thread 734.367µs drop in this thread 497.327879ms reference in this thread 966ns
that works sometimes! but if you create that data in the same fn or the last fn to use
e.g you fetch it from db and need to return some other value from a function that you web/thrift service called. you own that value and have to make sure it’s dropped properly
Sure, I have heard of other HPC systems dedicating a thread hosted on a "junk core" that handles all non-critical operations outside the hot path
also there was a good discussion about AsyncDrop that you might find interesting.https://internals.rust-lang.org/t/asynchronous-destructors/11127 …
oh that's interesting! i was looking for something like this!
still a research idea/prototype, so I am not sure how close to reality this is even on nightly!
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