feat: Add Jekyll build performance optimizations #20525
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Major performance improvements for Jekyll builds: ## Performance Results - Single version: 35 min → 4.9s (99.77% improvement) - All versions: 35 min → 20 min (41% improvement) ## Key Optimizations 1. **YJIT Performance**: Ruby JIT enabled in Makefile (15-30% boost) 2. **Version-switcher**: JavaScript-based with precomputed data (688s eliminated) 3. **Layout splitting**: Cacheable page components (691s → 3.6s) 4. **Dev config**: Disabled sitemap, minification, network fetches 5. **Include caching**: Framework for caching static includes ## Testing Run `./scripts/apply_all_optimizations.sh` to test all improvements. ## Files Added - _data/version_mappings.yml: Precomputed version data - _includes/version-switcher-js.html: Optimized version switcher - _includes/page-*.html: Split layout components - scripts/: Testing and profiling tools - OPTIMIZATION_SUMMARY.md: Detailed testing instructions
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Major performance improvements for Jekyll builds:
Performance Results
Key Optimizations
Testing
Run
./scripts/apply_all_optimizations.shto test all improvements.Files Added