Modify the following code in Figure 1.0 for summation of two integer values to paralleliz summation operation across 3 computing cores based on data parallelism. int X [900]; int Y [600]; int sum; for (i=1; i<=900; i++) { for (j=1; j<=600; j++) { sum= X[i] + YO]; } }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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 int X[900];
   int Y[600];
   int sum, sum1, sum2, sum3;
   //parallelism : dividing outer loop in three parts
   //i = 1 to 300
   for(i=1;i<=300;i++)
   {
       for(j=1;j<600;j++)
       {
           sum1 = X[i] + Y[j];

       }
   }
   //i = 301 to 600
   for(i=301;i<=600;i++)
   {
       for(j=1;j<600;j++)
       {
           sum1 = X[i] + Y[j];

       }
   }
   //i = 601 to 900
   for(i=601;i<=900;i++)
   {
       for(j=1;j<600;j++)
       {
           sum1 = X[i] + Y[j];

       }
   }
   sum = sum1 + sum2 + sum3;
}

 

another way to solve the question that send in the pic

Modify the following code in Figure 1.0 for summation of two integer values to parallelize the
summation operation across 3 computing cores based on data parallelism.
int X [900];
int Y [600];
int sum;
for (i=1; i<=900; i++)
{
for (j=1; j<=600; j++)
{
sum= X[i] + Y[I]);
}
}
Transcribed Image Text:Modify the following code in Figure 1.0 for summation of two integer values to parallelize the summation operation across 3 computing cores based on data parallelism. int X [900]; int Y [600]; int sum; for (i=1; i<=900; i++) { for (j=1; j<=600; j++) { sum= X[i] + Y[I]); } }
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