Explain what are the different hazards, Computer Engineering

Assignment Help:

There are situations, called hazards that stop the next instruction in the instruction stream from implementing during its designated clock cycle. Hazards decrease the performance from the ideal speedup gained by pipelining. There are three classes of Hazards:

1. Structural Hazards: It happens from resource conflicts when the hardware cannot support all possible combinations of instructions simultaneously in overlapped implementation.

2. Data Hazards: It happens when an instruction depends on the results of last instruction in a way that is exposed by the overlapping of instructions in the pipeline.

3. Control Hazards: It happens from the pipelining of branches and other instructions that change the PC.

 

 


Related Discussions:- Explain what are the different hazards

Simple instruction formats, Simple instruction formats: RISC uses simpl...

Simple instruction formats: RISC uses simple instruction formats. Usually only one or a few instruction formats are used. In these machines instruction length is fixed and alig

Designing logic circuits, When designing a logic circuit with multipleoutpu...

When designing a logic circuit with multipleoutputs it is usual to treat it as several circuitseach with one output. So for our example wewould design three circuits; one with outp

Visualization, Visualization Visualization is a general method in contr...

Visualization Visualization is a general method in contract to search based tools.  In this method visual aids are given like pictures to assist the programmer in evaluating th

Explain about the flash memories, Explain about the Flash memories Thes...

Explain about the Flash memories These are re-writable non-volatile memories evolved from EEPROM; they are generally connected to the USB port on the computer enabling a user t

What is xml, XML is the Extensible Markup Language. It betters the function...

XML is the Extensible Markup Language. It betters the functionality of the Web by letting you recognize your information in a more accurate, flexible, and adaptable way. It is e

Defined for one match code object, What is the max no of match code Id's th...

What is the max no of match code Id's that can be defined for one Match code object? A match code Id is a single character ID that can be a letter or a number.

What is clr, What is CLR?  CLR is .NET equivalent of Java Virtual Mach...

What is CLR?  CLR is .NET equivalent of Java Virtual Machine (JVM). It is the runtime that changes a MSIL code into the host machine language code, which is then implemented a

How future environment changes can be predicted - simulation, How future cl...

How future climate/environment changes can be predicted -  Information over time is fed into a weather/climate model -  based on changes in weather patterns, carries out a s

State of the register, What is the state of the register in Figure  after e...

What is the state of the register in Figure  after every clock pulse if it begins in the 101001111000 state?

What are the steps comprised in authentication, What are the steps comprise...

What are the steps comprised in authentication? Steps in Authentication: The control over the access of the resources within the repository is exercised in two steps tha

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd