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
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
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
Problem 1PE
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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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