Excluding Members from EPMA application - performance issues?

We are building a new application using dimensions from our Shared Library and I had a question about excluding some members.
For one dimension, I was able to use the "Add to App View" functionality, which was able to bring in only the one tree of members I wanted, without having to exclude anything, which seems to be the best way of doing this.
For another dimension, I need to pick and choose members from within the hierarchy, so I will need to add almost all parents, and then go through and exclude some members. Will this cause any performance issues having excluded members? Will the excluded members get deployed to planning or do they just sit in EPMA?
Any help would be appreciated.

Hi,
Excluded members are not deployed to Planning, therefore would not impact performance negatively.
Cheers,
Alp

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