The irony is that streaming SSR is supposed to improve performance by sending content incrementally. But the overhead of the streams machinery can negate those gains, especially for pages with many small components. Developers sometimes find that buffering the entire response is actually faster than streaming through Web streams — defeating the purpose entirely.
if (i < len) {
，这一点在im钱包官方下载中也有详细论述
No heap allocations of size, 1, 2, and 4, and none of the garbage that。关于这个话题，safew官方下载提供了深入分析
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