- Published on
M1芯片内存访问顺序的一致性
- Authors
- Name
- Hao Chen
- @haoel
Content
Apple的M1芯片可能会给你的多线程序带来一些bug，因为ARM芯片不像X86的芯片会保证内存访问顺的一致性。（当然，如果高级语方处理了则不会有问题）
有两篇文章可以读一下：
1）强弱内存模型的CPU
https://preshing.com/20120930/weak-vs-strong-memory-models/
2）在弱内存模型的CPU上的内存访问乱序的问题
https://preshing.com/20121019/this-is-why-they-call-it-a-weakly-ordered-cpu/
Link Preview
- https://preshing.com/20120930/weak-vs-strong-memory-models/
- Weak vs. Strong Memory Models
- There are many types of memory reordering, and not all types of reordering occur equally often. It all depends on processor you’re targeting and/or the toolchain you’ …