Reposted by 🍣
Back in January I gave a talk at Jane Street titled "Are Mutexes Slow?" (I gave a lightning version of it at @rustikon.dev last week!). And it's now up on YouTube if you're interested in wonky details about CPU cache coherence and the cost of coordination!
www.youtube.com/watch?v=tND-...
youtube.com
The Cost of Concurrency Coordination with Jon Gjengset
YouTube video by Jane Street