⚗️ Add binary size benchmarks

Benchmarks/.gitignore

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+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

Benchmarks/.swiftpm/xcode/xcshareddata/xcbaselines/PerformanceBenchmarks.xcbaseline/3B817AB4-82BB-4C8E-BADA-A8577468EACF.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>classNames</key>
+	<dict>
+		<key>BinarySizeBenchmark1</key>
+		<dict>
+			<key>testPerformance()</key>
+			<dict>
+				<key>com.apple.dt.XCTMetric_Memory.physical</key>
+				<dict>
+					<key>baselineAverage</key>
+					<real>2.457600</real>
+					<key>baselineIntegrationDisplayName</key>
+					<string>Local Baseline</string>
+				</dict>
+			</dict>
+		</dict>
+	</dict>
+</dict>
+</plist>

Benchmarks/.swiftpm/xcode/xcshareddata/xcbaselines/PerformanceBenchmarks.xcbaseline/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>runDestinationsByUUID</key>
+	<dict>
+		<key>3B817AB4-82BB-4C8E-BADA-A8577468EACF</key>
+		<dict>
+			<key>localComputer</key>
+			<dict>
+				<key>busSpeedInMHz</key>
+				<integer>400</integer>
+				<key>cpuCount</key>
+				<integer>1</integer>
+				<key>cpuKind</key>
+				<string>6-Core Intel Core i7</string>
+				<key>cpuSpeedInMHz</key>
+				<integer>2600</integer>
+				<key>logicalCPUCoresPerPackage</key>
+				<integer>12</integer>
+				<key>modelCode</key>
+				<string>MacBookPro16,1</string>
+				<key>physicalCPUCoresPerPackage</key>
+				<integer>6</integer>
+				<key>platformIdentifier</key>
+				<string>com.apple.platform.macosx</string>
+			</dict>
+			<key>targetArchitecture</key>
+			<string>x86_64</string>
+		</dict>
+	</dict>
+</dict>
+</plist>

Benchmarks/.swiftpm/xcode/xcshareddata/xcschemes/BinarySizeBenchmarks.xcscheme

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+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1410"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "BinarySizeBenchmarks"
+               BuildableName = "BinarySizeBenchmarks"
+               BlueprintName = "BinarySizeBenchmarks"
+               ReferencedContainer = "container:">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Benchmarks/.swiftpm/xcode/xcshareddata/xcschemes/binary-size-1.xcscheme

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+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1410"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "binary-size-1"
+               BuildableName = "binary-size-1"
+               BlueprintName = "binary-size-1"
+               ReferencedContainer = "container:">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES"
+      viewDebuggingEnabled = "No">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "binary-size-1"
+            BuildableName = "binary-size-1"
+            BlueprintName = "binary-size-1"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "binary-size-1"
+            BuildableName = "binary-size-1"
+            BlueprintName = "binary-size-1"
+            ReferencedContainer = "container:">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Benchmarks/Package.resolved

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+{
+  "pins" : [
+    {
+      "identity" : "swift-algorithms",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-algorithms",
+      "state" : {
+        "revision" : "b14b7f4c528c942f121c8b860b9410b2bf57825e",
+        "version" : "1.0.0"
+      }
+    },
+    {
+      "identity" : "swift-nonempty",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/RemiBardon/swift-nonempty",
+      "state" : {
+        "revision" : "f951b7bcd4f13586307f53b0de5d1b20976aceab"
+      }
+    },
+    {
+      "identity" : "swift-numerics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-numerics",
+      "state" : {
+        "revision" : "0a5bc04095a675662cf24757cc0640aa2204253b",
+        "version" : "1.0.2"
+      }
+    }
+  ],
+  "version" : 2
+}

Benchmarks/Package.swift

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+// swift-tools-version: 5.7
+
+import PackageDescription
+
+let package = Package(
+	name: "swift-geo-benchmarks",
+	platforms: [
+		.macOS(.v13),
+	],
+	products: [
+		.executable(name: "binary-size-ref-1", targets: ["BinarySizeReference1"]),
+		.executable(name: "binary-size-1", targets: ["BinarySizeBenchmark1"]),
+	],
+	dependencies: [
+		.package(name: "swift-geo", path: ".."),
+	],
+	targets: [
+		.executableTarget(name: "BinarySizeReference1"),
+		.executableTarget(name: "BinarySizeBenchmark1", dependencies: [
+			.product(name: "WGS84", package: "swift-geo"),
+		]),
+		.testTarget(name: "BinarySizeBenchmarks"),
+		.testTarget(name: "PerformanceBenchmarks", dependencies: [
+			.product(name: "Turf", package: "swift-geo"),
+		]),
+	]
+)

Benchmarks/README.md

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+# SwiftGeo benchmarks

Benchmarks/Sources/BinarySizeBenchmark1/main.swift

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+//import WGS84
+//import GeodeticConversions
+//import TurfCore
+//
+//let point = Point2D(coordinates: .init(latitude: 10.2, longitude: 20.3))
+//print(point)
+//let coordinates = point.coordinates.to(WGS84Geographic3DCRS.self)
+//print(coordinates)
+//print(coordinates.dmsNotation)
+//print(point.bbox)
+import Foundation
+
+print("Hello, World!")
+print(cos(Double(1)))

Benchmarks/Sources/BinarySizeReference1/main.swift

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+import Foundation
+
+print("Hello, World!")
+print(cos(Double(1)))

Benchmarks/Tests/BinarySizeBenchmarks/BinarySizeBenchmark1.swift

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+//
+//  BinarySizeBenchmark1.swift
+//  SwiftGeo
+//
+//  Created by Rémi Bardon on 10/01/2023.
+//
+
+import XCTest
+
+/// 1 kB
+let kB: UInt64 = 1_000
+/// 1 MB
+let MB: UInt64 = 1_000_000
+
+final class BinarySizeBenchmark1: XCTestCase {
+
+	static var refSize: UInt64 = 0
+
+	override class func setUp() {
+		let binaryName = "binary-size-ref-1"
+		do {
+			Self.swiftBuild(binaryName)
+			let binary = try FileAttributes(for: Self.binary(binaryName))
+			refSize = binary.fileSize
+			print("\(binaryName) binary has size \(binary.fileSizeString)")
+		} catch {
+			print("\(binaryName) binary could not be built: \(String(describing: error))")
+		}
+	}
+
+	func testBinarySize() throws {
+		let binaryName = "binary-size-1"
+		Self.swiftBuild(binaryName)
+		let binary = try FileAttributes(for: Self.binary(binaryName))
+		XCTAssertLessThan(binary.fileSize, 3500 * kB, binary.fileSizeString)
+		print("\(binaryName) binary has size \(binary.fileSizeString)")
+	}
+
+	// MARK: Helpers
+
+	private static let configuration: String = "release"
+
+	private static let fileURL: URL = URL(string: #file)!
+	private static let packageFolder: URL = fileURL
+		.deletingLastPathComponent()
+		.deletingLastPathComponent()
+		.deletingLastPathComponent()
+	private static func binary(_ name: String) -> URL {
+		return Self.packageFolder.appending(
+			components: ".build", Self.configuration, name,
+			directoryHint: .notDirectory
+		)
+	}
+
+	/// - Copyright: <https://stackoverflow.com/a/26973384/10967642>
+	@discardableResult
+	private static func swift(_ args: [String]) -> Int32 {
+		let task = Process()
+		task.executableURL = URL(fileURLWithPath: "/usr/bin/swift")
+		task.arguments = args
+		print("Running `swift \(args.joined(separator: " "))`…")
+		try? task.run()
+		task.waitUntilExit()
+		return task.terminationStatus
+	}
+
+	/// - Copyright: <https://stackoverflow.com/a/26973384/10967642>
+	@discardableResult
+	private static func swift(_ args: String...) -> Int32 {
+		return swift(args)
+	}
+
+	@discardableResult
+	private static func swiftBuild(_ binaryName: String) -> Int32 {
+		let args = [
+			"build",
+			"--package-path", Self.packageFolder.absoluteString,
+			"--product", binaryName,
+			"-c", Self.configuration,
+			"-Xswiftc", "-cross-module-optimization",
+			"-Xswiftc", "-Osize",
+		]
+		return swift(args)
+	}
+
+}
+
+/// - Copyright: Inspired by <https://stackoverflow.com/a/48566887/10967642>.
+fileprivate struct FileAttributes {
+	let fileSize: UInt64
+	let fileSizeString: String
+	init(for url: URL) throws {
+		let attributes = try FileManager.default.attributesOfItem(atPath: url.path)
+		self.fileSize = attributes[.size] as? UInt64 ?? UInt64(0)
+		self.fileSizeString = ByteCountFormatter.string(fromByteCount: Int64(self.fileSize), countStyle: .file)
+	}
+}