Runtime Performance Optimization

[kateinoigakukun]

• Reduce unnecessary calls of memory and dataView getter in runtime TS code
• Promote result pointer to return value to reduce memory operations
• Reduce Swift ARC retain/release operations by:
  • Reduce Optional wrapper
  • Reduce reference escapes
• Add fast paths for empty arguments call

[github-actions[bot]]

Time Change: -3,602ms (19%) 👏

Total Time: 18,757ms

Test name	Duration	Change
Serialization/Call JavaScript function directly	4ms	+1ms	⚠️
Serialization/Assign JavaScript number directly	5ms	+2ms (37%)	🚨
Serialization/Call with JavaScript number directly	5ms	-1ms	👏
Serialization/Write JavaScript string directly	4ms	+2ms (37%)	🚨
Serialization/JavaScript function call from Swift	195ms	-464ms (238%)	🏆
Serialization/Swift Int to JavaScript with call	1,536ms	-1,056ms (68%)	🏆
Serialization/JavaScript Number to Swift Int	468ms	-221ms (47%)	🎉
Serialization/Swift String to JavaScript with call	1,673ms	-1,051ms (62%)	🏆
Object heap/Increment and decrement RC	7,844ms	-512ms (6%)	✅

View Unchanged

| Test name | Duration | Change | | :--- | :---: | :---: | | Serialization/Call with JavaScript string directly | 3ms | -0ms | | Serialization/JavaScript function call through Wasm import | 25ms | +0ms | | Serialization/JavaScript function call through Wasm import with int | 20ms | +0ms | | Serialization/Swift Int to JavaScript with assignment | 421ms | -14ms (3%) | | Serialization/Swift String to JavaScript with assignment | 488ms | -15ms (3%) | | Serialization/JavaScript String to Swift String | 6,067ms | -272ms (4%) |