buzzword
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buzzword [2014/01/29 19:14] rachata |
buzzword [2014/01/31 19:15] rachata |
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| ===== Lecture 7 (1/29 Wed.) ===== | ===== Lecture 7 (1/29 Wed.) ===== | ||
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| * Pipelining | * Pipelining | ||
| * Limitations of the multi-programmed design | * Limitations of the multi-programmed design | ||
| Line 304: | Line 305: | ||
| * No-op (Bubbles in the pipeline) | * No-op (Bubbles in the pipeline) | ||
| * Valid bits in the instructions | * Valid bits in the instructions | ||
| + | |||
| + | ===== Lecture 8 (1/31 Fri.) ===== | ||
| + | * Branch prediction | ||
| + | * Different types of data dependence | ||
| + | * Pipeline stalls | ||
| + | * bubbles | ||
| + | * How to handle stalls | ||
| + | * Stall conditions | ||
| + | * Stall signals | ||
| + | * Dependences | ||
| + | * Distant between dependences | ||
| + | * Data forwarding/bypassing | ||
| + | * Maintaining the correct dataflow | ||
| + | * Different ways to design data forwarding path/logic | ||
| + | * Different techniques to handle interlockings | ||
| + | * SW based | ||
| + | * HW based | ||
| + | * Profiling | ||
| + | * Static profiling | ||
| + | * Helps from the software (compiler) | ||
| + | * Superblock optimization | ||
| + | * Analyzing basic blocks | ||
| + | * How to deal with branches? | ||
| + | * Branch prediction | ||
| + | * Delayed branching (branch delay slot) | ||
| + | * Forward control flow/backward control flow | ||
| + | * Branch prediction accuracy | ||
| + | * Profile guided code positioning | ||
| + | * Based on the profile info. position the code based on it | ||
| + | * Try to make the next sequential instruction be the next inst. to be executed | ||
| + | * Trace cache | ||
| + | * Predicate combining (combine predicate for a branch instruction) | ||
| + | * Predicated execution (control dependence becomes data dependence) | ||
| + | * Definition of basic blocks | ||
| + | * Control flow graph | ||
buzzword.txt · Last modified: 2015/04/27 18:20 by rachata
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