'Physical register' diaporamas de présentation

Part 9 Instruction Level Parallelism (ILP) - Concurrency

Computer Architecture Slide Sets WS 2012/2013 Prof. Dr. Uwe Brinkschulte Prof. Dr. Klaus Waldschmidt. Part 9 Instruction Level Parallelism (ILP) - Concurrency. Classical pipelining allows the termination of up to one instruction per clock cycle (scalar execution)

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OOO Pipelines - II

OOO Pipelines - II. Smruti R. Sarangi IIT Delhi. Contents. Renaming Instruction Window Wakeup and Bypass Load Store Queue Reorder Buffer and Precise Exceptions. Renaming (architectural registers ? virtual registers). Consider a 4-issue processor

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Out-of-Order Execution Structures Optimizations

Out-of-Order Execution Structures Optimizations. Tag Elimination. Conventional Schedulers are Overdesigned. For MIPS-like ISA Two source tags One destination tag Not all instructions use two source operands Eg, addi $1, $2, 10

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Houman Homayoun PhD Candidate Dept. of Computer Science, UC Irvine

Architectural and Circuit-Levels Design Techniques for Power and Temperature Optimizations in On-Chip SRAM Memories. Houman Homayoun PhD Candidate Dept. of Computer Science, UC Irvine. Outline. Past Research Low Power Design

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September 22, 1999 Prof. John Kubiatowicz

CS252 Graduate Computer Architecture Lecture 8 Instruction Level Parallelism 2: Getting the CPI < 1. September 22, 1999 Prof. John Kubiatowicz. Review: Hardware unrolling, in-order commit, 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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Revolver: Processor Architecture for Power Efficient Loop Execution

Revolver: Processor Architecture for Power Efficient Loop Execution. Mitchell Haygena , Vignayan Reddy and Mikko H. Lipasti. Padmini Gaur( 13IS15F) Sanchi (13IS20F). Contents. The Need Approaches and Isssues Revolver: Some basics Loop Handling Loop Detection

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Asanovic/DevadasSpring 2002 6.823

Asanovic/DevadasSpring 2002 6.823. Advanced Superscalar Architectures. Krste Asanovic Laboratory for Computer Science Massachusetts Institute of Technology. Asanovic/DevadasSpring 2002 6.823. Physical Register Renaming. (single physical register file: MIPS R10K, Alpha 21264, Pentium-4).

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Fault Tolerance and Performance Enhancement using Chip Multi-Processors

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Lecture 9: R10K scheme, T clk

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Instruction Issue Logic

Instruction Issue Logic. Wen-mei Hwu ECE University of Illinois, Urbana-Champaign. Data Dependences. Data flow dependence consumer-producer relationship register bypass and interlocks Data output and antidependences reuse of registers at compile time register renaming.

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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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Computer S tructure Out-Of-Order Execution

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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

Lecture 8: Modern Dynamic Instruction Scheduling

Lecture 8: Modern Dynamic Instruction Scheduling. Tomasulo weakness, data forwarding, reg mapping table, generic superscalar models, examples. Observe at the EX stage, how many cycles to execute this code? LW R2,45(R3) ADD R6,R2,R4 SUB R10,R0,R6 ADD R10,R10,R12

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Computer Architecture Out-Of-Order Execution

730 views • 17 slides