'Functional unit begins execution' presentation slideshows

Advanced Topic: High Performance Processors

Advanced Topic: High Performance Processors. CS M151B Spring 02. High Performance Processor Design Techniques. Main Idea: Exploit as much parallelism and hide as much overhead as possible Instruction Level Parallelism Scoreboarding Reservation Station (Tomasulo Algorithm)

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Advanced Pipelining

Advanced Pipelining. Out of Order Processors. COMP25212. Classic 5-stage pipeline. A single execution flow. Inst Cache. Data Cache. Fetch Logic. Decode Logic. Exec Logic. Mem Logic. Write Logic. Modern Pipelines. Many execution flows. Ld1. Ld2. Write Back. Inst Cache. Add1.

1.01k views • 84 slides

Lecture 9 Dynamic Scheduling of Pipeline

Lecture 9 Dynamic Scheduling of Pipeline. Static vs Dynamic Scheduling. Static Scheduling by compiler Code motion for LD delay slots and branch delay slots Code motion for avoiding data dependency In-order instruction issue:

963 views • 82 slides

Instruction Level Parallelism

Instruction Level Parallelism. 1. Scoreboard and Tomasulo algorithms. Definition of ILP. ILP=Potential overlap of execution among instructions. Overlapping possible if: No Structural Hazards No RAW, WAR of WAW Stalls No Control Stalls. Hardware Schemes to exploit ILP. Why?

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CENG 450 Computer Systems and Architecture Lecture 9

CENG 450 Computer Systems and Architecture Lecture 9. Amirali Baniasadi amirali@ece.uvic.ca. This Lecture. ILP Scheduling. Dynamic Scheduling. Dynamic Scheduling: Hardware rearranges the order of instruction execution to reduce stalls Disadvantages Hardware much more complex Key idea

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CENG 450 Computer Systems and Architecture Lecture 9

CENG 450 Computer Systems and Architecture Lecture 9. Amirali Baniasadi amirali@ece.uvic.ca. This Lecture. ILP Scheduling. Dynamic Scheduling. Dynamic Scheduling: Hardware rearranges the order of instruction execution to reduce stalls Disadvantages Hardware much more complex Key idea

406 views • 40 slides

Advanced Pipelining and Instruction Level Parallelism (ILP)

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Lecture 20: Advanced pipelining techniques

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Lecture 5 Scoreboarding: Enforce Register Data Dependence

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A.8 Dynamic Scheduling with a Scoreboard

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