Explain the term granularity, Computer Engineering

Assignment Help:

Granularity

Granularity refers to the quantity of computation done in concurrent relative to the size of whole program. In concurrent computing, granularity is a qualitative measure of the ratio of calculation to communication.  According to granularity of a system, parallel processing systems may be splitted in two groups: coarse-grain systems and fine-grain systems. In fine-grained systems, parallel parts are relatively small, that means more frequent communication. They have low calculation to communication ratio and need high communication overhead.  In coarse grained systems concurrent parts are relatively large, that means more calculation and less communication. If granularity is also fine, it is possible that the overhead needed for communications and synchronization between tasks takes longer than computation. On the other side, in coarse-grain parallel systems, relatively greater amount of computational work is done. They have high computation to communication ratio as well as imply more chance for performance increase.

The degree of granularity in a system is determined by algorithm applied in addition the hardware surroundings in which this runs. On an architecturally impartial system, the granularity affects the performance of resultant program. The communication of data needed to begin a large process can take a substantial amount of time. Conversely, a large process will frequently have less communication to do for the duration of processing. A process might need only a small quantity of data to get going, but may require receiving more data to carry on processing, or may require to do lots of communication with other processes so as to perform its processing. In main cases the overhead linked with communications and synchronization is high relative to implementation speed so it's advantageous to have coarse granularity. 

 


Related Discussions:- Explain the term granularity

How the information should be retrieved from the database, In a report with...

In a report with an LDB attribute, you do not have to explain how the information should be retrieved from the database tables, but only how the data should be shown on the screen.

What is throughput of a system, Throughput of a system is? Ans. "Throug...

Throughput of a system is? Ans. "Throughput" of a system is no. of programs processed by this per unit time.

Explain the stack in digital computers, Explain the stack in digital comput...

Explain the stack in digital computers The stack in digital computers is fundamentally a memory unit with an address register which can count only (after first value is loaded

Explain status and control registers, Q. Explain Status and Control Registe...

Q. Explain Status and Control Registers? For control of numerous operations several registers are used. These registers can't be used in data manipulation though content of som

What are the differences between struts and units, What are the differences...

What are the differences between struts and units?  A warm up question. Units are static objects that exist from the start of the simulation right up to its end, whereas struts

Translator for low level programming language, Translator for low level pro...

Translator for low level programming language were called as    Assembler

Final year project, i want to make final year project in wireless.please he...

i want to make final year project in wireless.please help me to decide the topic???????

Define edge-triggered s-r flip-flop, Define Edge-triggered S-R flip-flop ...

Define Edge-triggered S-R flip-flop Basic Symbol small triangle, called the dynamic input indicator, is used to identify an edge-triggered flip-flop. Truth Table.

Describe about relationships and look up fields, Relationships are imported...

Relationships are imported from the source to finish without any hindrance but once they land in the destination they can never be changed or changed and change of extensions canno

Bilinear interpolated images , Transfer  Functions Change the last bili...

Transfer  Functions Change the last bilinear interpolated images and the original images into the frequency domain using the FFT.  Try to measure the magnitude transfer functio

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