- What are the major differences between _mm_clflush and _mm_clflushout ?
- Is flushing the invalidate pages in the CPU cache is thread-safe, given that each thread flushes different memory regions (can be originated from different CPU cores)?
- Just to be sure - these commands are synchronous? I.e., they return only after the cache page is being flushed to the memory (if it is an invalidated page)?
Some questions on _mm_clflush and _mm_clflushout
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