buzzword
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buzzword [2015/01/14 19:24] rachata |
buzzword [2015/01/14 19:44] rachata |
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| * Components of a computer | * Components of a computer | ||
| * Computation | * Computation | ||
| - | * Communication | + | * Communication |
| - | * Storage | + | * Storage |
| - | * DRAM | + | * DRAM |
| - | * NVRAM (Non-volatile memory): PCM, STT-MRAM | + | * NVRAM (Non-volatile memory): PCM, STT-MRAM |
| - | * Storage (Flash/Harddrive) | + | * Storage (Flash/Harddrive) |
| * Von Neumann Model (Control flow model) | * Von Neumann Model (Control flow model) | ||
| * Stored program computer | * Stored program computer | ||
| - | * Properties of Von Neumann Model: Stored program, sequential instruction processing | + | * Properties of Von Neumann Model: Stored program, sequential instruction processing |
| - | * Unified memory | + | * Unified memory |
| - | * When does an instruction is being interpreted as an instruction (as oppose to a datum)? | + | * When does an instruction is being interpreted as an instruction (as oppose to a datum)? |
| - | * Program counter | + | * Program counter |
| - | * Examples: x86, ARM, Alpha, IBM Power series, SPARC, MIPS | + | * Examples: x86, ARM, Alpha, IBM Power series, SPARC, MIPS |
| * Data flow model | * Data flow model | ||
| * Data flow machine | * Data flow machine | ||
| - | * Data flow graph | + | * Data flow graph |
| * Operands | * Operands | ||
| * Live-outs/Live-ins | * Live-outs/Live-ins | ||
| - | * DIfferent types of data flow nodes (conditional/relational/barrier) | + | * DIfferent types of data flow nodes (conditional/relational/barrier) |
| * How to do transactional transaction in dataflow? | * How to do transactional transaction in dataflow? | ||
| Example: bank transactions | Example: bank transactions | ||
| * Tradeoffs between control-driven and data-driven | * Tradeoffs between control-driven and data-driven | ||
| * What are easier to program? | * What are easier to program? | ||
| - | * Which are easy to compile? | + | * Which are easy to compile? |
| - | * What are more parallel (does that mean it is faster?) | + | * What are more parallel (does that mean it is faster?) |
| - | * Which machines are more complex to design? | + | * Which machines are more complex to design? |
| * In control flow, when a program is stop, there is a pointer to the current state (precise state). | * In control flow, when a program is stop, there is a pointer to the current state (precise state). | ||
| * ISA vs. Microarchitecture | * ISA vs. Microarchitecture | ||
| * Semantics in the ISA | * Semantics in the ISA | ||
| - | * uArch should obey the ISA | + | * uArch should obey the ISA |
| - | * Changing ISA is costly, can affect compatibility. | + | * Changing ISA is costly, can affect compatibility. |
| * Instruction pointers | * Instruction pointers | ||
| * uArch techniques: common and powerful techniques break Vonn Neumann model if done at the ISA level | * uArch techniques: common and powerful techniques break Vonn Neumann model if done at the ISA level | ||
| Line 95: | Line 95: | ||
| * Multiple instructions at a time | * Multiple instructions at a time | ||
| * Out-of-order executions | * Out-of-order executions | ||
| - | * etc. | + | * etc. |
| - | * Design techniques | + | * Design techniques |
| - | * Adder implementation (Bit serial, ripple carry, carry lookahead) | + | * Adder implementation (Bit serial, ripple carry, carry lookahead) |
| - | * Connection machine (an example of a machine that use bit serial to tradeoff latency for more parallelism) | + | * Connection machine (an example of a machine that use bit serial to tradeoff latency for more parallelism) |
| * Microprocessor: ISA + uArch + circuits | * Microprocessor: ISA + uArch + circuits | ||
| * What are a part of the ISA? Instructions, memory, etc. | * What are a part of the ISA? Instructions, memory, etc. | ||
buzzword.txt · Last modified: 2015/04/27 18:20 by rachata
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