Threading

Takeaways from Gael Fraiteur’s multithreading talk

After watching Gael’s recent SkillsMatter talk on multithreading I’ve put together some notes from a very educational talk:   Hardware Cache Hierarchy Four levels of cache L1 (per core) – typically used for instructions L2 (per core) L3 (per die) DRAM (all processors) Data can be cached in multiple caches, and synchronization happens through an …

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SmartThreadPool – What happens when you take on more than you can chew

I’ve covered the topic of using SmartThreadPool and the framework thread pool in more details here and here, this post will instead focus on a more specific scenario where the rate of new work items being queued outstrips the pool’s ability to process those items and what happens then. First, let’s try to quantify the …

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