Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Example Programmes for Parallel Systems
Now we shall complete this with the examples on shared memory programming.
Example 13: Adding elements of an array using two processor int sum, A[ n] ; //shared variables
void main ( ){
int i ;
for (i=0; i // now create process to be implemented by processor P1 fork(1) add (A,n/2,n-1, sum); // process to add elements from index n/2 to - 1.sum is output variable // now create process to be implemented by processor P0 add (A,0,n/2-1, sum); join 1 ; printf ("%d", sum); } add (int A[ ], int lower, int upper, int sum) { int sum1=0, i; for (i=lower; i<=upper; i++) sum1=sum1+A[i]; lock sum; sum=sum+sum1; unlock sum ; } In this program, the last half of the array is passed to processor P1 which adds them. Meanwhile processor P0 adds the first half of the array. The variable sum is locked to avoid inconsistency.
// now create process to be implemented by processor P1
fork(1) add (A,n/2,n-1, sum); // process to add elements from index n/2 to -
1.sum is output variable // now create process to be implemented by processor
P0 add (A,0,n/2-1, sum);
join 1 ;
printf ("%d", sum);
}
add (int A[ ], int lower, int upper, int sum) {
int sum1=0, i;
for (i=lower; i<=upper; i++)
sum1=sum1+A[i];
lock sum;
sum=sum+sum1;
unlock sum ;
In this program, the last half of the array is passed to processor P1 which adds them. Meanwhile processor P0 adds the first half of the array. The variable sum is locked to avoid inconsistency.
HEADERS AND FRAME FORMAT: LAN technology standards describe frame format for every technology. All contemporary standards use the following basic format. a) Frame header b
Q. Show the Data Encryption Standard? Data Encryption Standard - Bit-level encryption method designed by IBM - Adopted as standard for nonmilitary and nonclassified us
introduction
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
You need to enable both arpa and snap encapsulation on single router interface. How do you do this? Ans)Assign two network numbers, one for every encapsulation type.
Name the two commands that save the running-config to a TFTP server Ans) Two commands are:- a) copy running tftp b) write network
Give the types of firewalls Conceptually, there are two types of firewalls: 1. Network Level 2. Application Level Network Level Firewall/Packet Filters The Net
What is the Power Of Semantic Web Languages? Ans) The major power of Semantic Web languages is that anyone can create one, simply by publishing some RDF that defines a set of
These are fully-loaded machines which consists of multiprocessors, high-speed disk arrays for interview I/O and fault tolerant features.
Q. What are the Routing Techniques? Routing Routing Techniques Static versus Dynamic Routing Routing Table for classful Addressing Routing Table for Cl
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd