4
votes
2answers
548 views

Atomic operation. How does it guarantee consistency from hardware perspective?

Atomic operation. How does it guarantee consistency from hardware perspective ? How is it implemented in HW ? As far as I know, atomic instruction makes sure that when it is executed, no other ...
0
votes
1answer
99 views

TLB access in SMT processors

In SMT (simultaneous multithreading) processors which threads share the TLB, how does TLB differentiate one thread's access from the other one? Each thread has its own set of pages loaded into memory, ...
2
votes
2answers
1k views

Virtual memory vs. Virtual address space

I know virtual memory is a paging file that computer uses to store a part of RAM on hard disk for a running process. But how different is Virtual address space? is it the RAM or hard disk or both?
2
votes
2answers
9k views

what differences and relations are between logical and virtual memory?

I was wondering what differences and relations are between logical and virtual memory? How do their purposes differ? Are the relations and differences the same for logical and virtual addresses?