Swift compilation time benchmark

swift_compilation_performance.py

#!/usr/bin/env python3
import os

filenames = ["a", "b"]
codeMixed = [
  'someFunc(data: SomeClass(data: SomeStruct(data: SomeStruct.Nested1.Nested2(point: CGPoint(x: {}, y: {})))))',
  'someFunc(data: .init(data: .init(data: .init(point: .init(x: {}, y: {})))))'
]

for (i, filename) in enumerate(filenames):
    with open(filename + ".swift", "w") as f:
        s = """import CoreGraphics
struct SomeStruct { struct Nested1 { struct Nested2 { let point: CGPoint } }; let data: Nested1.Nested2 }
class SomeClass { let data: SomeStruct; init(data: SomeStruct) { self.data = data } }
func someFunc(data: SomeClass) { _ = data.data.data.point }
"""
        for j in range(25600):
            s += (codeMixed[i] + '\n').format(j, j)
        f.write(s)
        os.system("hyperfine 'xcrun swiftc -typecheck {}'".format(filename + ".swift"))