Profiling

Compile Times: append -Ztimings to cargo builds
Runtime Flame Graph:
- Flat-ish: RUSTFLAGS='-C force-frame-pointers=y' cargo flamegraph --example EXAMPLE_NAME
- Graph: RUSTFLAGS='-C force-frame-pointers=y' cargo flamegraph -c "record -g" --example EXAMPLE_NAME
- built on top of perf, no instrumentation required
Runtime Instrumentation:
- https://github.com/glennw/thread_profiler