Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.
that became its undoing.
。关于这个话题，51吃瓜提供了深入分析
Мерц резко сменил риторику во время встречи в Китае09:25，更多细节参见91视频
The Starship upper stage separated from its Super Heavy booster nearly four minutes into flight as planned.