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In practice, (and yes, there are always exceptions to be found) BYOB is rarely used to any measurable benefit. The API is substantially more complex than default reads, requiring a separate reader type (ReadableStreamBYOBReader) and other specialized classes (e.g. ReadableStreamBYOBRequest), careful buffer lifecycle management, and understanding of ArrayBuffer detachment semantics. When you pass a buffer to a BYOB read, the buffer becomes detached — transferred to the stream — and you get back a different view over potentially different memory. This transfer-based model is error-prone and confusing:
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To achieve usable performance, every major runtime has resorted to non-standard internal optimizations for Web streams. Node.js, Deno, Bun, and Cloudflare Workers have all developed their own workarounds. This is particularly true for streams wired up to system-level I/O, where much of the machinery is non-observable and can be short-circuited.
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此外，澜起科技作为全球内存接口芯片领域的龙头企业，国内市占率约40%；佰维存储凭借自研主控+封测一体化优势，在嵌入式存储领域占据国内领先地位。依托国家产业扶持与产业链协同，这些厂商加速产能扩张与技术迭代，搭配长电科技、通富微电等配套企业，构建起完整的国产存储产业链，逐步实现从细分突围到全面崛起，成为全球存储市场的重要一极。