Difference between revisions of "OpenMP in Small Bites/False Sharing"

Revision as of 16:09, 30 November 2020

Tutorial
Title:	OpenMP in Small Bites
Provider:	HPC.NRW
Contact:	tutorials@hpc.nrw
Type:	Multi-part video
Topic Area:	Programming Paradigms
License:	CC-BY-SA
Syllabus
1. Overview
2. Worksharing
3. Data Scoping
4. False Sharing
5. Tasking
6. Tasking and Data Scoping
7. Tasking and Synchronization
8. Loops and Tasks
9. Tasking Example: Sudoku Solver
10. Task Scheduling
11. Non-Uniform Memory Access

1. What causes the introduction of caches in parallel architectures?

@@ Line 9: / Line 9: @@
 == Quiz ==
+{{hidden begin
+|title = 1. What causes the introduction of caches in parallel architectures?
+}}
+<quiz display=simple>
+{
+|type="()"}
++ Caches can decrease the performance gap between the cors and the memory.
+|| Correct
+- Caches can be used to accelerate the computation in the cores for parallel programs
+|| Wrong
+- Since higher clock frequencies would cause to much heat on the chip, caches are the only way to accelerate the core.
+|| Wrong
+</quiz>
+{{hidden end}}

	Caches can decrease the performance gap between the cors and the memory.
	Caches can be used to accelerate the computation in the cores for parallel programs
	Since higher clock frequencies would cause to much heat on the chip, caches are the only way to accelerate the core.