What are common performance issues in lock-free code?
Common performance issues in lock-free code include contention, false sharing, and cache coherence problems.
Can you explain what false sharing is?
False sharing occurs when threads on different processors modify variables that reside on the same cache line, leading to unnecessary cache invalidations.
How can I mitigate these performance issues?
You can mitigate these issues by optimizing data structures, minimizing shared data, and using proper memory alignment.
Are there any tools to analyze lock-free code performance?
Yes, tools like Intel VTune, Valgrind, and ThreadSanitizer can help analyze and optimize lock-free code performance.
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