diff --git a/.cargo/config.toml b/.cargo/config.toml
index 0eb087ef..a4455e10 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,2 +1,11 @@
 [build]
 rustflags = ["-D", "warnings"]
+# sccache 编译缓存：重复构建（切分支、profile 变动、clean 后重编）命中缓存直接
+# 复用产物，跳过 rustc。缓存目录默认 ~/.cache/sccache（上限 10G）。
+rustc-wrapper = "sccache"
+
+[target.x86_64-unknown-linux-gnu]
+# mold 链接器：并行链接，比 GNU ld 快 5 至 10 倍（98M 二进制链接 4.4s 降到
+# 亚秒级）。走 cc 驱动的 -fuse-ld=mold（不能直接 linker="mold"：rustc 会把
+# cc 驱动参数 -m64/-Wl, 原样传给 mold，mold 不认）。对 dev 与 release 全 profile 生效。
+rustflags = ["-C", "link-arg=-fuse-ld=mold"]
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6928c9dd..670af193 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,6 +23,12 @@ jobs:
 
       - uses: Swatinem/rust-cache@v2
 
+      # .cargo/config.toml 依赖 sccache（rustc-wrapper）与 mold（-fuse-ld=mold），
+      # 两者均在 Ubuntu 仓库中。CI 同样受益：sccache 配合 rust-cache 命中缓存，
+      # mold 并行链接。
+      - name: Install sccache and mold
+        run: sudo apt-get update -y && sudo apt-get install -y sccache mold
+
       - name: Check formatting
         run: cargo fmt --all -- --check
 
diff --git a/Cargo.lock b/Cargo.lock
index c4713888..2b0b3903 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1160,7 +1160,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_builtins"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "chrono",
  "fast-float",
@@ -1185,7 +1185,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_bytecode"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "num-bigint",
  "oxide_log",
@@ -1193,7 +1193,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cfg"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "oxide_bytecode",
  "oxide_emit",
@@ -1204,7 +1204,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cli"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "ansi_term",
  "bumpalo",
@@ -1226,7 +1226,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_code_cache"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "lru",
  "oxide_bytecode",
@@ -1235,7 +1235,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_compiler"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1255,7 +1255,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_dce"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1269,7 +1269,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_emit"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "num-bigint",
  "oxc_allocator",
@@ -1284,7 +1284,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_engine"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "oxide_bytecode",
  "oxide_compiler",
@@ -1296,7 +1296,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_ir"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "oxide_bytecode",
  "oxide_log",
@@ -1305,7 +1305,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_kernel"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "bumpalo",
  "dashmap",
@@ -1319,7 +1319,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_liveness"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1331,7 +1331,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_log"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "tracing",
  "tracing-appender",
@@ -1340,7 +1340,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_parser"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "oxc_allocator",
  "oxc_ast",
@@ -1355,7 +1355,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_regalloc"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1371,7 +1371,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_runtime_api"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "num-bigint",
  "num-traits",
@@ -1384,7 +1384,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_test262"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "oxide_bytecode",
  "oxide_compiler",
@@ -1402,7 +1402,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_types"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "bumpalo",
  "dashmap",
@@ -1415,7 +1415,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_vm"
-version = "0.14.9"
+version = "0.14.10"
 dependencies = [
  "bumpalo",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index 0de81615..3d548250 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.14.9"
+version = "0.14.10"
 edition = "2021"
 license = "MIT"
 rust-version = "1.80"
@@ -69,10 +69,23 @@ all = { level = "deny", priority = -1 }
 warnings = { level = "deny", priority = -1 }
 
 [profile.release]
-opt-level = 3
-lto = true
-codegen-units = 1
+# 快速 release：日常墙时间 A/B 与 test262 release 回测用。opt-level 2 与 3 的
+# 运行时差距对解释器可忽略，但 lto 关闭加 codegen 并行把编译时间从数十分钟
+# 压到分钟级。性能基线重锚（release 全量 bench）时如需最优码再临时切回
+# opt-level=3 / lto=true / codegen-units=1。
+opt-level = 2
+lto = false
+codegen-units = 256
+debug = 0
 panic = "abort"
+# 本机 CPU 指令集（AVX2 等）：解释器热路径墙时间再挤 5 至 15%。产物绑定本机
+# 微架构，不可跨机移植（本机开发机与 CI 各自源码构建，无影响）。
+target-cpu = "native"
+
+[profile.dev]
+# 行表级调试信息：产物体积降 5 至 10 倍（单个 oxide CLI 约 160M 降到 30M 量级），
+# 堆栈回溯仍带行号，日常单测与断点不受影响。
+debug = 1
 
 # 上游 0.11.1 的 Unicode 表缺 Script/Script_Extensions 的 Unknown（Zzzz，未分配
 # 码点集）取值，规范合法模式 \p{Script=Unknown} 无法编译。vendor 补丁在 0.11.1