'Data hazard' diaporamas de présentation

Chap.6: Enhancing Performance with Pipelining

Chap.6: Enhancing Performance with Pipelining. Jen-Chang Liu, Spring 2006. Parts of the slides are duplicated from inst.eecs.berkeley.edu/~cs61c. Review Datapath (1/3). Datapath is the hardware that performs operations necessary to execute programs.

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Pipelining: Basic and Intermediate Concepts

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CPE 631 Review: Pipelining

CPE 631 Review: Pipelining. Electrical and Computer Engineering University of Alabama in Huntsville Aleksandar Milenkovic, milenka@ece.uah.edu http://www.ece.uah.edu/~milenka. Outline. Pipelined Execution 5 Steps in MIPS Datapath Pipeline Hazards Structural Data Control.

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COMP541 Pipelined MIPS

COMP541 Pipelined MIPS. Montek Singh Mar 30, 2010. Topics. Pipelining Can think of as A way to parallelize, or A way to make better utilization of the hardware. Goal: use all hardware every cycle Section 7.5 of text. Parallelism. Two types of parallelism: Spatial parallelism

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CpE 442 Designing a Pipeline Processor (lect. II)

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???? ?????? ??????? 234267

???? ?????? ??????? 234267. ????? ??' 3 : Data Hazards ????? ?? ????? ?? ???? ???? Yohai Devir Franck Sala. ADD $1 $2 $3 (R1 ? R2 + R3) ADD $4 $1 $5 (R4 ? R1 + R5). ALU. Instruction Memory. Data Hazard. ID. EX. MEM. WB. Register File. Data Memory.

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CMPE 421 Advanced Computer Architecture

CMPE 421 Advanced Computer Architecture. Control Hazard and Prediction PART4. Control Hazards. When the flow of instruction addresses is not sequential (i.e., PC = PC + 4); incurred by change of flow instructions Conditional branches ( beq , bne ) Unconditional branches ( j, jal, jr )

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Pipeline Control and Hazards

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Introduction to pipelining

Computer Organisatie 2009 - Andy D. Pimentel. Introduction to pipelining. A. B. C. D. Pipelining is Natural!. Pipelining provides a method for executing multiple instructions at the same time. Laundry Example

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Data Hazards

Data Hazards. Data Hazard ????? ??? ( R-Type ) ?????? ???? ??? ?????? ???? ??????? ?????? ???? ???? ???? ?????? ????? ???? ??? ??? ?? ???? ???? ?????. December 2013. 1. ????? ?- Data Hazards. T. i. m. e. (. i. n. c. l. o. c. k. c. y. c. l. e. s. ). C. C. 7. C. C. 8.

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Lecture’s Overview

CMCS 411-101 Computer Architecture Lecture 21 Handling Pipeline Hazards April 16, 2001 www.csee.umbc.edu/~younis/CMSC411/ CMSC411.htm. Lecture’s Overview. Previous Lecture: Designing a pipelined datapath Standardized multi-stage instruction execution Unique resources per stage

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Talianpaip

Talianpaip. Talianpaip ialah satu teknik utk meningkatkan prestasi mesin dgn melakukan arahan bertindih utk mengurangkan masa perlaksanaan. Ini merupakan kunci kepantasan CPU pd hari ini. 1. Pipelining Is Natural!. Laundry Example

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Lecture 17: Basic Pipelining

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Pipelining III

Pipelining III. Andreas Klappenecker CPSC321 Computer Architecture. Administrative Issues. Talk by Laszlo Kish Quantum Computing Seminar, Thursday 10:00am-11:00am, HRBB 302 Projects: Get started!!!. Pipelined Datapath. Pipeline separation registers, width varies. Control Lines.

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What We Have Learn About Pipeline So Far

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CSC 4250 Computer Architectures

CSC 4250 Computer Architectures. September 19, 2006 Appendix A. Pipelining. Three Classes of Pipeline Hazards. Structural Hazards: Arise from resource conflicts when hardware cannot support the overlapped execution of all possible combinations of instructions

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Instruction Level Parallelism ILP

PRESENTED BY: SUNIL KUMAR SAHU B B M TRIPATHI ANISH ANURAG. Instruction Level Parallelism ILP. Sequential execution ILP execution Comparison of Seq. execution vs. ILP execution Dependence Data dependence Types of data hazard Techniques to avoid Control Dependence

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Pipelining (3)

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(Recap) Pipeline Hazards

(Recap) Pipeline Hazards. Reg. Reg. Reg. Reg. Reg. Reg. Reg. Reg. Reg. Reg. ALU. ALU. ALU. ALU. ALU. Ifetch. Ifetch. Ifetch. Ifetch. Ifetch. DMem. DMem. DMem. DMem. DMem. EX. WB. MEM. IF. ID/RF. I n s t r. O r d e r. add r1 ,r2,r3. sub r4, r1 ,r3.

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Review of Computer Organization

Review of Computer Organization. Haojin Zhu Professor. Chapter I: Performance Evaluation. Throughput Response Time CPI=clock cycles per instruction Clock cycle Instruction Count Transition from uniprocessor to multi-core (why?)

291 views • 11 slides