openRow, closedRow
FCFS/FR-FCFS memory scheduling algorithm
Prefetching, (software and hardware prefetching)
Prefetching with loop unrolling
Prefetch distance
3 prefetch metrics (accuracy, coverage, timeliness)
Hardware prefetcher (stream/stride) prefetcher
Interrupts/exceptions 
Speculative executions 
Precise exception
Predicated execution
Memory disambiguation problem
Load store queue
Static instruction scheduling
Trace scheduling
Hyperblock
Superbock
Loop unrolling
Software pipelining
Function inlining
VLIW
Flynn's Taxonomy (SISD/SIMD/MIMD/MISD)
Shared memory system/distributed memory system
Message passing machines
CMP
SMT
SMT fetch/rename
MSI/MESI coherence
Directory based cache coherence system
Lock/barrier
Implementing lock
Memory consistency (understanding the problem itself) 
GPU execution model (pipeline), scorbording, performance calculation
Flit, 
Direct/indirect connections
Crossbar, mesh, butterfly, torus, hybercube, Ring  (know the topology) 
Blocking/nonblocking
Store/forward control flow 
Virtual cut through control flow
Power, energy
Static power/dynamic power
Power reduction technologies 
DVFS/DVS
DTM
EDP, EDDP
Power gating/clock gating/pipeline gating
DMA
Memory mapped I/O
MTTF, MTTR, 
Faults (different faults..) 
RAID (basic concepts) 
ECC