'Register renaming' presentation slideshows

Advanced Computer Architecture CSE 8383

Advanced Computer Architecture CSE 8383. February 7 2008 Session 4. Contents. Group Work Dependence Analysis Instruction Pipelines and hazards (revisit) ILP Multithreading Multiprocessors. Group Activity. C.V. State Diagram. Simple Cycles. Throughput (t = 20 ns). MAL. Greedy Cycles.

1.56k views • 131 slides

CENG 450 Computer Systems and Architecture Lecture 10

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CS184b: Computer Architecture (Abstractions and Optimizations)

CS184b: Computer Architecture (Abstractions and Optimizations). Day 7: April 21, 2003 EPIC, IA-64 Binary Translation. Today. Software Pipelining EPIC IA-64 Time Permitting Binary Translation. For (int i=0; i<n;i++) A[i]=A[i-1]+i*i;. Software Pipelining. For (int i=0; i<n ; i++ )

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CS252 Graduate Computer Architecture Lecture 7 Reorder Buffers and Explicit Register Renaming

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Computer Architecture Out-of-order execution

Computer Architecture Out-of-order execution. By Dan Tsafrir, 28/5/2012 Presentation based on slides by David Patterson, Avi Mendelson, Lihu Rappoport, and Adi Yoaz. Out-of-order in a nutshell. Real processors Do not really serially execute instruction by instruction

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Reorder Buffer: register renaming and in-order completion

Reorder Buffer: register renaming and in-order completion. Use of a reorder buffer Reorder buffer = circular queue with head and tail pointers

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Reorder Buffer: register renaming and in-order completion

Reorder Buffer: register renaming and in-order completion. Use of a reorder buffer Reorder buffer = circular queue with head and tail pointers

859 views • 45 slides

555 views • 38 slides

CENG 450 Computer Systems and Architecture Lecture 12

CENG 450 Computer Systems and Architecture Lecture 12. Amirali Baniasadi amirali@ece.uvic.ca. Multiple Issue. Multiple Issue is the ability of the processor to start more than one instruction in a given cycle. Superscalar processors Very Long Instruction Word (VLIW) processors.

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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. Scoreboard: Review Tomasulo Branch Prediction. Instruction Buffer. Trick: instruction buffer (many names for this buffer) Accumulate decoded instructions in buffer

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CPU Continued

CPU Continued. Pentium II. Fetch/Decode Unit pulls instructions from the cache in order predicted by BTB. 3 decoders to break instruction into uops (micro instructions). 2 restricted decoders, 1 general decoder If more than four uops, instruction is sent to MIS unit

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8. Microarchitecture of Superscalars (6) Register renaming

8. Microarchitecture of Superscalars (6) Register renaming. Dezs? Sima Fall 2006. ? D. Sima, 2006. Overview. 1 The Principle of register renaming. 2 Design Space. 2.1 Overview. 2.2 Types of rename buffers. 3 Operation of register renaming. 4 Design parameters of register renaming.

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Microarchitecture of Superscalars (6) Register renaming

Microarchitecture of Superscalars (6) Register renaming. Dezs? Sima Fall 2007. (Ver. 2.0). ? Dezs? Sima, 2007. Overview. 1 The Principle of register renaming. 2 Design space. 2.1 Overview. 2.2 Types of rename buffers. 3 Operation of register renaming.

474 views • 30 slides

Houman Homayoun, Aseem Gupta, Avesta Sasan, Alex Veidenbaum, Nikil Dutt, Fadi Kurdahi

RELOCATE Re gister File Loc al A ccess Pat te rn Redistribution Mechanism for Power and Thermal Management in Out-of-Order Embedded Processor. Houman Homayoun, Aseem Gupta, Avesta Sasan, Alex Veidenbaum, Nikil Dutt, Fadi Kurdahi University of California Irvine. Outline. Motivation

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Lecture 3 Pipeline Contd. (Appendix A)

CS 203A Advanced Computer Architecture. Lecture 3 Pipeline Contd. (Appendix A). Instructor: L.N. Bhuyan. Some slides are adapted from Roth. Pipeline Hazards. Hazards are caused by conflicts between instructions. Will lead to incorrect behavior if not fixed. Three types:

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Computer Architecture Out-Of-Order Execution

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Dynamic Scheduling

Dynamic Scheduling. Why go out of style? expensive hardware for the time (actually, still is, relatively) register files grew so less register pressure early RISCs had lower CPIs. Dynamic Scheduling. Why come back? higher chip densities greater need to hide latencies as :

361 views • 19 slides

Computer Architecture Out-of-order execution

Computer Architecture Out-of-order execution. By Dan Tsafrir, 11/4/2011 Presentation based on slides by David Patterson, Avi Mendelson, Lihu Rappoport, and Adi Yoaz. Out-of-order in a nutshell. Real processors Do not really serially execute instruction by instruction

355 views • 18 slides

Computer Architecture Out-Of-Order Execution

730 views • 17 slides

CS 201 Compiler Construction

285 views • 15 slides