Which of the following statements is/are NOT CORRECT about NUMA?
(A) LOAD and STORE instructions are used to access remote memory.
(B) There is a single address space visible to all CPUs.
(C) Access to local memory is slower than access to remote memory.
(D) When the access time to remote memory is hidden, the system is called NC-NUMA.
(E) In CC-NUMA, coherent caches are present.
Choose the correct answer from the options given below:
Pick an option to check yourself, or open the answer below.
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Correct answer: D. (C) and (D) Only
Explanation
In NUMA all CPUs share one address space and access remote memory with ordinary LOAD/STORE, but local memory is faster than remote (C wrong). NC-NUMA means 'no cache' (remote access time is not hidden), so D is wrong, and CC-NUMA has coherent caches.More Computer System Architecture questions
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