False Sharing Explained Software Execution

Summary

Your threads aren't sharing data. But your CPU thinks they are. That's Why is my multi-threaded code slower than my single-threaded code? The answer might be Patreon ➤ patreon.com/jacobsorber Courses ➤ jacobsorber.thinkific.com Website ... Discover the hidden performance killer in multi-threaded applications. Learn how CPU cache lines and coherency protocols can ... In this video we look at some benchmarks that show off Your multithreaded code looks perfect. No race conditions. No data corruption. But it still runs way slower than expected. In this video we at the basics of backstreetbrogrammer -------------------------------------------------------------------------------- SOLUTION: Demonstrate Episode 9 of the Memory Lab: the seven ways memory makes a fast CPU wait, and how to measure them. Cache misses and the ... Let's consider a scenario where a struct or class in your code contains two atomic variables that are accessed concurrently by two ...