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by norouzi
Mon Sep 03, 2018 11:48 pm
Forum: Using OpenMP - The Book and Examples
Topic: Difference between firstprivate vs. shared, performance-wise
Replies: 0
Views: 26799

Difference between firstprivate vs. shared, performance-wise

Hi,

I have read in the book "Using OpenMP: Portable Shared Memory Parallel Programming" that firstprivate is more efficient than shared for readonly variables in ccNUMA architectures (pp. 76).

Could you please help me understand the reason?

Thank you and Best,
Mohammad