moebius库性能优化参考 - #4399

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Commits on Aug 19, 2026

[moebius] tree_utf8_to_herk/tree_herk_to_utf8 原子节点加 ASCII 恒等快路径

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7031ca3
[moebius] correct_node 消除标签字符串绕行，新增 drd contains(tree_label) 重载

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c1d3f10
[moebius] gf fmt 格式化补漏

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[moebius] scaling/an_scaling 直变换逐分量直写，消除中间 point 临时分配

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17a919d
[moebius] gf fmt 格式化补漏

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c8b5ba8
[moebius] segment/poly_segment 求值与 rotate_2D 逐分量直写，消除中间 point 临时

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[moebius] spline 求值 interval_no 缓存并跳过单位标量乘

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6a578d4
[moebius] raw_split/raw_join 逐元素搬移改为 memmove 块移动

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[moebius] get_env_child 空环境快路径，免去 ATTR 构造与合并

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[moebius] can_* 适用性检查单趟下探，免去 has_subtree+subtree 双遍历

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[moebius] move_any 单趟下探，免去三次 subtree 重复全树下探

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1cf4b2d
[moebius] tmu_reader::read_next 字节级扫描，消除逐字符子串分配

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feda483
[moebius] 三对角求解逐分量就地写，消除每行 point 临时分配

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[moebius] scheme 解析器修复词元/引号/unslash 三处越界读，CR 替换改先探测

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687b0d3
[moebius] slash/scm_quote 序列化成段追加，消除逐字符 resize

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7cd60ea
[moebius] move_word 单趟下探与 tm_codepoint_at 原串解析，消除逐字符子串分配

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[moebius] simplify_correct 未变子树共享原节点，免去标记节点重建

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[moebius] .tm 加载跳过 flag 路径的 codes 查表，scm_unquote 成段追加

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[moebius] 曲线最近点搜索与求交消除差向量临时 point

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e45df05
[moebius] arc/ellipse 求值与梯度逐分量直写，消除 2-4 个中间 point 临时

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f2510e9
[moebius] bezier 求值/梯度/取直逐分量直写，消除链式 point 临时

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c9444a5
[moebius] hyperbola/parabola 求值与梯度逐分量直写，消除链式 point 临时

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4597a42
[moebius] 补回 parabola 测试：上轮 SIGSEGV 实为 fixture 的 point int 字面量构造陷阱

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65e70e6
[moebius] keep_positive 无负索引快路径，免去光标校正的整条 path 重建

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64238a0
[moebius] 任务文档补全量复测成绩单（24 测试全过、21 项优化、5 项负结果）

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[moebius] EXTERN 派生标签单条备忘缓存，免去热路径字符串拼接与查表

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796e491
[moebius] tmu_reader::decode 成段追加，标签分支免去 make_tree_label 双查表

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38343da
[moebius] end(t,p) 复用父节点引用，免去 subtree 第二次全树下探

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b071a11
[moebius] frame::enclose 采样插值逐分量直写，消除三个中间 point 临时

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[moebius] inside_contiguous_document 边界祖先单趟下探，O(depth^2) 改 O(depth)

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[moebius] tmu_reader::read_apply 同法免去 make_tree_label 双查表

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[moebius] get_env_child WITH 快路径直扫绑定对，免去子树拷贝与 env 合并重建

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[moebius] get_env_child env 变体 WITH 分支免子树拷贝，原树直迭绑定对

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[moebius] drd_env_write 单次分配重建，追加/插入/替换免五连树分配

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[moebius] 移除已禁用的 next_without_border 死调用与函数体

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[moebius] 第 34 轮验证轮：s7/object 胶水层评估结论与全量回归记录

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aa2e160
[moebius] 原子文本编辑单次分配 memcpy 拼接，打字路径 2.03x

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[moebius] tmu_writer::write 成段 memcpy 直写，写路径 1.43x

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[moebius] slash/scm_quote 升级为 resize+memcpy 直写，序列化 1.13-1.22x

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[moebius] memcpy 直写回补 tmu 读路径与 scm_unquote，读路径再 1.08-1.13x

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1fe4e24
[moebius] 成绩单补录 5.22-5.35 共 14 项

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[moebius] colors 基准与 named_color 双重小写化负结果记录

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[moebius] 第 41 轮：rel_hashmap 双探测合一放弃评估与验证记录

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[moebius] commute 换位语义测试与基准；swap1 重写负结果记录

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