CSC/ECE 506 Spring 2010/ch 2 maf

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Data Parallel Programming Model

Overview

Comparing the Data Parallel with the Shared Memory and Message Passing Models

**Comparison between shared memory, message passing, and data parallel programming models (adapted from Solihin 2008).**
Aspects	Shared Memory	Message Passing	Data Parallel
Communication	implicit (via loads/stores)	explicit messages
Synchronization	explicit	implicit (via messages)
Hardware support	typically required	none
Development effort	lower	higher
Tuning effort	lower	higher

Code Example

Hardware Examples

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