META: Performance Audit & Optimization of the Library

[dclause]

Motivation
This issue tracks the improvements needed to review and improve performance for the v0.2 release.

• Improve Animation Engine Performance & Frame Accuracy #47
• Eliminate costly or unnecessary abstractions.
  • Eliminate Contention Points in the Critical Hot Path from High-Level Device API to set_state #43 => gained 2x performance
  • Replace RwLock with Atomic for primitive values to improve performance #19 => 10-100x on accessing protocol data
  • Replace macro-based OutputDevice boilerplate with #[output_device] proc-macro #41 => show no impact of performance
• Review helpers performance
  • Refactor utils/scale to improve performance and safety for numeric scaling #38 => gained 2x-8x performance