OpenMP C++With the following code, create 3 versions:Outer loop parallelism: use a single OpenMP pragma only at the outer loopInner loop parallelism: use a single OpenMP pragma only at the inner loop (use reduction)Nested loop parallelism: use pragmas at both the outer loop and inner loop-----#pragma omp parallel for for(int i = 0; i < n; i++) { #pragma omp parallel for for(int j = 0; j < n; j++) { y[i] += A[i * n + j] * x[j]; } }

Outer loop parallelism: use a single OpenMP pragma only at the outer loop Sparse-matrix-vector-…

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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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OpenMP C++

With the following code, create 3 versions:

Outer loop parallelism: use a single OpenMP pragma only at the outer loop
Inner loop parallelism: use a single OpenMP pragma only at the inner loop (use reduction)
Nested loop parallelism: use pragmas at both the outer loop and inner loop

-----

#pragma omp parallel for
for(int i = 0; i < n; i++)
{
#pragma omp parallel for
for(int j = 0; j < n; j++)
{
y[i] += A[i * n + j] * x[j];
}
}

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