Import 2ff2fb7797: Update optimization, thanks HifiExperiments/SamGondelman! <3 (by Caitlyn)

[daleglass]

This is an automated proposal to look at a commit made by Caitlyn and import it into Overte

Commit:	2ff2fb7797d4587ae4f4c73b2aabf3b08039dd36
Author:	Caitlyn
Date:	Sat, 11 Apr 2020 12:13

Update optimization, thanks HifiExperiments/SamGondelman! <3

Stats:

Filename	Stats	Lines	Added	Removed	Lines in blame
libraries/render-utils/src/Model.cpp		9	6	3	⚠ 0
libraries/render-utils/src/Model.h		4	2	2	⚠ 0
2 files	-	13	8	5	0

To work on this, please assign the issue to yourself, then look at the commit and decide whether this would be a good addition to Overte.

• If the commit is useful, tag it with "Tivoli: Keep", and keep it open until it's merged.
• If the commit is not useful, tag it with "Tivoli: Discard", and close it.
• If the commit is not useful right now, but might be later, tag it with "Tivoli: Maybe later", and close it.
• If it's hard to decide, tag it with "Tivoli: Discuss", and keep it open.

Useful commits should be submitted as a PR against Overte. Tag this issue in PR, so that it's automatically closed once the PR is merged.

You can cherry-pick this issue with this command:

git cherry-pick 2ff2fb7797d4587ae4f4c73b2aabf3b08039dd36