goperf Go 性能指南（v0）goperf 规则 ID（别名）goperf 语料库目标 goperf 证据政策

gp-append-nil-slice — 在 nil 切片上使用 append 与 make(...,0,len)gp-defer-hot — 在循环中延迟 vs 关闭每个（合成关闭器）gp-fmt-hot — 循环中的 fmt.Sprintf 与 strconv/Builder gp-json-marshal-hot — 已测量，仍有提示 gp-make-hot — 每次迭代创建([]byte) vs 重用 / 单个切片 gp-os-open-hot — 测量过的，仍然暗示 gp-reflect-hot — 测量过的，仍有暗示 gp-regexp-compile-hot — 已测量，仍然提示 gp-string-plus-hot — string += 与 strings.Builder gp-time-now-hot — 测量过的，仍然暗示

gp-defer-in-loop — renamed 2026-10-27 (Asia/Shanghai)gp-fmt-in-loop — renamed 2026-10-27 (Asia/Shanghai)gp-json-marshal-in-loop — renamed 2026-10-27 (Asia/Shanghai)gp-make-in-loop — renamed 2026-10-27 (Asia/Shanghai)gp-os-open-in-loop — renamed 2026-10-27 (Asia/Shanghai)gp-reflect-in-loop — renamed 2026-10-27 (Asia/Shanghai)gp-regexp-compile-in-loop — renamed 2026-10-27 (Asia/Shanghai)gp-string-plus-in-loop — renamed 2026-10-27 (Asia/Shanghai)gp-time-now-in-loop — renamed 2026-10-27 (Asia/Shanghai)gp-time-parse-in-loop gp-time-parse-in-loop — removed 2026-10-23 (Asia/Shanghai)

项目

参与贡献变更日志安全策略 Contributor Covenant 行为准则 AGENT.md — XPerf 代理操作合同

语言Go证据_removed

gp-time-parse-in-loop — removed 2026-10-23 (Asia/Shanghai)

这篇还没有中文，下面是英文原文。

Status: removed. time.Parse has no compiled layout to reuse. A fixed timestamp is faster only when the after side does not parse. A changing timestamp cannot be hoisted, and the matcher cannot tell those cases apart.

Slug never reused.
No active matcher.

gp-time-parse-in-loop

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