Apparently "Bevy's rendering stack is often CPU-bound"[0], so that would make sense.
To be fair that quote is somewhat out of context, but it was an easy official source to quote and I've heard the same claim repeated elsewhere too. (I'm not a Bevy user but am using Rust for fulltime indie game dev, so discount this comment appropriately.)
Apparently "Bevy's rendering stack is often CPU-bound"[0], so that would make sense.
To be fair that quote is somewhat out of context, but it was an easy official source to quote and I've heard the same claim repeated elsewhere too. (I'm not a Bevy user but am using Rust for fulltime indie game dev, so discount this comment appropriately.)
[0]: https://bevyengine.org/news/bevy-0-14/#gpu-frustum-culling