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Program of solving the dependency in the linear recurrence relation x[i] = x[i-1] + y[i] using block scheduling

Posted By: Easy Tutor     Category: C Programming     Views: 3698

Write a program of solving the dependency in the linear recurrence relation x[i] = x[i-1] + y[i] using block scheduling.

Code for Program of solving the dependency in the linear recurrence relation x[i] = x[i-1] + y[i] using block scheduling in C Programming

# include <stdio.h>
# include "/usr/include/sys/types.h"
# include "/usr/include/sys/shm.h"
# include "/usr/include/sys/ipc.h"
# include "/usr/include/sys/sem.h"
# include "forkjoin.h"// included in zip
# include "sharedlib.h"// included in zip
# include "spinlock.h"// included in zip
# include "barrier.h"// included in zipint main()
{
    int arrSize=9;
    int *x;            
    int y[9];        
    int arrold[9];        // For Holding boundary Valuesint id;            // Process Identificationint nProc=3;        // Number of Processesint *bararr;        // Barrier Arrayint shmidbararr,shmidarr; // Shmid for Shared Variables//Calculating block Sizeint blocksize = arrSize/nProc;
    
    int index,iCount;
        
    x=(int*)sshared(sizeof(int)*10,&shmidarr);
        
    printf("Original Array ...\n");
    for(iCount=0;iCount<=arrSize;iCount++)
    {
        // Assigning X and Y Array Values
        x[iCount]=iCount;
        y[iCount]=iCount;
        printf("x[%d] : %d\t\ty[%d] : %d\n",iCount,x[iCount],y[iCount]);
    }
    
    bararr=(int*)sshared(sizeof(int)* 4,&shmidbararr);
    
    // Initialize Barrier Array    
    barrier_init(bararr,nProc);    
    
    id=process_fork(nProc);
    
    //Copying boundary values
    arrold[id]=x[blocksize*id];
            
    //Calling Barrier
    barrier(bararr);
    
    index=(id+1) * blocksize;
    
    for(iCount=index;iCount> index-blocksize;iCount--)
    {
        x[iCount]=x[iCount-1] + y[iCount];
    }

    // Taking Value from Stored Boundary Values    
    x[(id*blocksize)+1] = arrold[id] + y[(id*blocksize)+1];
    
    process_join(nProc,id);
        
    printf("After X[i] = X[i - 1] + y[i] ...\n");
    for(iCount=1;iCount<=arrSize;iCount++)
    {
        printf("X[%d] = %d\n",iCount,x[iCount]);
    }
    cleanup_memory(&shmidbararr);
    cleanup_memory(&shmidarr);
    return 0;
}
  
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Easy Tutor
Easy Tutor author of Program of solving the dependency in the linear recurrence relation x[i] = x[i-1] + y[i] using block scheduling is from United States. Easy Tutor says

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