Only six years ago, the boss of Ocado Group was writing the obituary for supermarkets as he predicted that a surge in online grocery shopping during the pandemic had brought forward the hi-tech future.
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.。heLLoword翻译官方下载对此有专业解读
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