What do you mean by shared memory, Computer Engineering

Assignment Help:

Q. What do you mean by Shared Memory?

In shared memory scheme more focus is on controlling parallelism instead of data parallelism. In this model numerous processes run independently on numerous processors but they share a common address space available to all as displayed in Figure.

2186_Shared Memory.png

Figure: Shared memory

The processors communicate with one another by one processor writing data into a location in memory and other processor reading the data. Any change in memory location effected by one processor is visible to all other processors. As shared data is able to be accessed by more than one process at the same time, some control techniques like semaphores/locks must be devised to make sure mutual exclusion. This model is frequently referred to as SMP (Symmetric Multi Processors) named so since a common symmetric operation is used for various processors of the similar type to access the similar shared memory.  Some multi-processor systems employ a shared-memory programming model illustrations comprise: DELL PowerEdge 8450, NEC SX-5, SGI Power Onyx/ Origin 2000; Hewlett-Packard V2600/HyperPlex; SUN HPC 10000 400 MHz.


Related Discussions:- What do you mean by shared memory

Describe the uses of credit cards and smart cards, Credit cards and smart c...

Credit cards and smart cards Credit cards comprise a magnetic stripe on the back made up of iron-based particles in a plastic film. Stripe is split up into 3 tracks which a

What all 1's represents in 32bit ip addressing scheme, In 32bit IP Addressi...

In 32bit IP Addressing scheme all 1's represent? All 1's represent limited broadcast in 32 bit IP Addressing scheme.

What are bags and sequences, What are bags and sequences? A bag is a co...

What are bags and sequences? A bag is a collection of elements with duplicates permitted.  A sequence is an ordered collection of elements with duplicates permitted.

Basic tradeoff of concerns for instruction set design, Q. Basic Tradeoff of...

Q. Basic Tradeoff of concerns for instruction set design? Basic Tradeoff: Smaller instruction (less space) vs. desire for more powerful instruction repertoire. Generally p

What is micro operation, What is micro operation? A micro operation is ...

What is micro operation? A micro operation is an elementary operation performed with the data kept in registers.   1) Register transfer microoperation transfer binary inform

Explain the wap stack in brief, Discuss the WAP stack in brief. The pro...

Discuss the WAP stack in brief. The protocol stacks part implemented by WAP Stack for the WAP development and research platform. The protocol stack will be exploited into many

Divide two binary numbers, Divide (101110) 2   by (101) 2 Ans. Qu...

Divide (101110) 2   by (101) 2 Ans. Quotient is = -1001 Remainder is = -001

Illustrate about first generation computers, Q. Illustrate about First Gene...

Q. Illustrate about First Generation Computers? It is certainly ironic that scientific inventions of great impact have frequently been linked with supporting a very sad as well

Eliminating hazards - computer architecture, Eliminating hazards of pipeli...

Eliminating hazards of pipeline -  computer architecture: We can delegate the work of eliminating data dependencies to the compiler, which can fill up in suitable number of NO

What is internet routing hierarchy, Q. What is Internet Routing Hierarchy? ...

Q. What is Internet Routing Hierarchy? So how do packets find their way across Internet? Does every computer connected to Internet know where other computers are? Do packets ba

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