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The answer to this question is a very technical one that would require discussion of CPU architectures and the way they manipulate data.

The short answer is that it's not efficient to do so. The processing overhead required to keep multi-CPU or multi-core systems in sync with all other processors while manipulating the same task would generally be counter-productive. Therefore, it is best to allow each CPU (physical, virtual or logical) to work on it's own data set individually.

Currently, all BOINC projects do not allow working on the same task with all CPUs in a system as a user option.

FAQ: Can I have multiple CPUs work on the same task (workunit)?
Title:	Can I have multiple CPUs work on the same task (workunit)?
Author:	Ozzfan
Views:	18220
Category:	01. General Questions and Answers
Available in:
Created:	10/01/2007 03:37:30
Last Modified:	10/01/2007 03:37:30
Contents:	The answer to this question is a very technical one that would require discussion of CPU architectures and the way they manipulate data. The short answer is that it's not efficient to do so. The processing overhead required to keep multi-CPU or multi-core systems in sync with all other processors while manipulating the same task would generally be counter-productive. Therefore, it is best to allow each CPU (physical, virtual or logical) to work on it's own data set individually. Currently, all BOINC projects do not allow working on the same task with all CPUs in a system as a user option.

FAQ Service (English)

Can I have multiple CPUs work on the same task (workunit)?