Implement V8-style JSON stringify optimizations for aarch64 with improved fallback implementation#7

Draft

Copilot wants to merge 9 commits intomainfrom

copilot/fix-96277ed9-c4e2-4fce-9540-4a5aaf879dd4

Commits on Aug 8, 2025

Initial plan
Copilot
committed
Implement V8-style JSON stringify optimizations for aarch64

Copilot
and
Brooooooklyn
committed
Add V8 optimization documentation and demo

Copilot
and
Brooooooklyn
committed
Refactor benchmark suite to use real-world AFFiNE dataset

Copilot
and
Brooooooklyn
committed
Replace CI benchmark with real-world AFFiNE dataset approach

Copilot
and
Brooooooklyn
committed
Fix CI benchmark data collection to handle directories with file extensions

Copilot
and
Brooooooklyn
committed
Fix SIMD implementation based on V8 core insight: optimize for clean data

Copilot
and
Brooooooklyn
committed
revert impl
Brooooooklyn
committed
Replace fallback implementation with optimized oxc-sourcemap approach

Copilot
and
Brooooooklyn
committed