English(EN) Node execFile was 2.7x slower: the spawn cost nothing

Node.js execFile 开销被误认为是 spawn 成本

作者 PulseAugur 编辑部 · [1 个来源] · 2026-08-26 17:06

一位开发者发现，由于生成单独的 Rust 二进制文件进程的开销，Node.js 的 `execFile` 操作比直接套接字连接慢得多。然而，经过仔细检查和对子进程本身的计时，开发者发现二进制文件的实际执行时间非常短。感知到的缓慢归因于 Rust 守护进程通过 CLI 调用时执行比直接套接字调用更广泛的操作，而不是生成进程的行为。 AI

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dev.to — MCP tag TIER_1 English(EN) · Chad Priest · 2026-08-26 17:06

Node execFile 慢了 2.7 倍：spawn 几乎不耗时

Same machine, same daemon, same question. The gateway got its memory context in 1495ms. The MCP server got it in 4041ms. Both of them are code I wrote, in the same repo, for the same operation. <h2> Two implementations of "get memory conte…

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Node execFile 慢了 2.7 倍：spawn 几乎不耗时

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