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김태오
Introduction to OS 본문
OS : What helps softwares run well in a hardware
CPU:
- ISA (Instruction Set Architecture)
- CISC vs RISC
- RISC had decreased number of instructions, it reduced the complexity, resulting in high speed and CPU Clock.
- Pipelining
- Fetch | Decode | Execute | Write Back
- Mainly used for enhancing performance by executing multiple instructions at once, which is called pipelining.
- Instruction Level Parallelism (ILP)
- Superscalla vs VLIW(Very Long Instruction Word)
- Simultaneous, Multi-Core Multithreading
Concurrent vs Parallel(Simultaneous)
Essential to understand the comparison between the two terms, though they can be used interchangeably at times.
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