Swift Compiler optimization level for unit tests set to -O Apple LLVM 6.0/7.0 Optimization Level set to Fastest, Aggressive Optimizations -Ofast
###Tests written in Objective-C #####Shuffle 1,000,000 NSNumber objects in NSMutableArray
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 0.304 seconds 5% STDEV | 0.376 seconds 1% STDEV | - | iPhone 6 (8.3) |
| Swift 1.2 | 0.281 seconds 3% STDEV | 0.303 seconds 1% STDEV | - | iPhone 6 (8.3) |
| Swift 2.0 | 0.270 seconds 2% STDEV | 0.273 seconds 2% STDEV | - | iPhone 6 (8.3) |
| Swift 2.1 | 0.313 seconds 2% STDEV | 0.318 seconds 3% STDEV | - | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 0.259 seconds 3% STDEV | 0.261 seconds 2% STDEV | - | iPhone 6 (9.2) |
#####Shuffle 1,000,000 NSString objects in NSMutableArray
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 1.091 seconds 2% STDEV | 1.290 seconds 3% STDEV | - | iPhone 6 (8.3) |
| Swift 1.2 | 1.129 seconds 3% STDEV | 1.238 seconds 2% STDEV | - | iPhone 6 (8.3) |
| Swift 2.0 | 1.106 seconds 2% STDEV | 1.096 seconds 1% STDEV | - | iPhone 6 (8.3) |
| Swift 2.1 | 0.307 seconds 2% STDEV | 0.312 seconds 2% STDEV | - | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 0.258 seconds 4% STDEV | 0.265 seconds 6% STDEV | - | iPhone 6 (9.2) |
#####Shuffle 1,000,000 ObjcObject objects in NSMutableArray
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 0.839 seconds 4% STDEV | 1.014 seconds 4% STDEV | - | iPhone 6 (8.3) |
| Swift 1.2 | 0.799 seconds 3% STDEV | 0.867 seconds 1% STDEV | - | iPhone 6 (8.3) |
| Swift 2.0 | 0.791 seconds 4% STDEV | 0.798 seconds 2% STDEV | - | iPhone 6 (8.3) |
| Swift 2.1 | 0.877 seconds 2% STDEV | 0.862 seconds 1% STDEV | - | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 0.775 seconds 4% STDEV | 0.780 seconds 4% STDEV | - | iPhone 6 (9.2) |
#####Shuffle 1,000,000 SwiftObject objects in NSMutableArray
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 0.818 seconds 1% STDEV | 1.015 seconds 1% STDEV | - | iPhone 6 (8.3) |
| Swift 1.2 | 0.854 seconds 2% STDEV | 0.898 seconds 2% STDEV | - | iPhone 6 (8.3) |
| Swift 2.0 | 0.808 seconds 2% STDEV | 0.817 seconds 2% STDEV | - | iPhone 6 (8.3) |
| Swift 2.1 | 0.861 seconds 3% STDEV | 0.853 seconds 3% STDEV | - | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 0.769 seconds 4% STDEV | 0.779 seconds 6% STDEV | - | iPhone 6 (9.2) |
#####Empty loop 1,000,000 objects with NSMutableArray
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 0.006 seconds 2% STDEV | 0.005 seconds 9% STDEV | - | iPhone 6 (8.3) |
| Swift 1.2 | 0.004 seconds 3% STDEV | 0.005 seconds 10% STDEV | - | iPhone 6 (8.3) |
| Swift 2.0 | 0.004 seconds 3% STDEV | 0.004 seconds 2% STDEV | - | iPhone 6 (8.3) |
| Swift 2.1 | 0.005 seconds 8% STDEV | 0.005 seconds 11% STDEV | - | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 0.006 seconds 36% STDEV | 0.005 seconds 2% STDEV | - | iPhone 6 (9.2) |
###Tests written in Swift #####Shuffle 1,000,000 Int objects with Swift implementation taking [AnyObject]
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 0.296 seconds 1% STDEV | - | 1.616 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 1.2 | 0.262 seconds 1% STDEV | - | 0.523 seconds 1% STDEV | iPhone 6 (8.3) |
| Swift 2.0 | 0.271 seconds 2% STDEV | - | 0.285 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 2.1 | 0.305 seconds 1% STDEV | - | 0.336 seconds 5% STDEV | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 0.256 seconds 1% STDEV | - | 0.284 seconds 7% STDEV | iPhone 6 (9.2) |
#####Shuffle 1,000,000 Int objects with Swift implementation taking [Any]
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | Same as above | - | 0.537 seconds 3% STDEV | iPhone 6 (8.3) |
| Swift 1.2 | Same as above | - | 0.289 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 2.0 | Same as above | - | 0.303 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 2.1 | Same as above | - | 0.378 seconds 6% STDEV | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | Same as above | - | 0.340 seconds 3% STDEV | iPhone 6 (9.2) |
#####Shuffle 1,000,000 Int objects with Swift implementation taking [Int]
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | Same as above | - | 0.181 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 1.2 | Same as above | - | 0.189 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 2.0 | Same as above | - | 0.197 seconds 5% STDEV | iPhone 6 (8.3) |
| Swift 2.1 | Same as above | - | 0.240 seconds 2% STDEV | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | Same as above | - | 0.198 seconds 6% STDEV | iPhone 6 (9.2) |
#####Shuffle 1,000,000 Int objects with Swift implementation taking [T]
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | Same as above | - | 32.627 seconds 1% STDEV | iPhone 6 (8.3) |
| Swift 1.2 | Same as above | - | 2.155 seconds 1% STDEV | iPhone 6 (8.3) |
| Swift 2.0 | Same as above | - | 1.478 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 2.1 | Same as above | - | 2.025 seconds 1% STDEV | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | Same as above | - | 2.185 seconds 2% STDEV | iPhone 6 (9.2) |
#####Shuffle 1,000,000 String objects with Swift implementation taking [String]
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 1.137 seconds 2% STDEV | - | 0.829 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 1.2 | 1.112 seconds 3% STDEV | - | 0.891 seconds 3% STDEV | iPhone 6 (8.3) |
| Swift 2.0 | 1.114 seconds 2% STDEV | - | 0.925 seconds 1% STDEV | iPhone 6 (8.3) |
| Swift 2.1 | 1.253 seconds 3% STDEV | - | 1.010 seconds 3% STDEV | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 1.138 seconds 2% STDEV | - | 0.878 seconds 2% STDEV | iPhone 6 (9.2) |
#####Shuffle 1,000,000 ObjcObject objects with Swift implementation taking [ObjcObject]
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 0.816 seconds 3% STDEV | - | 2.529 seconds 1% STDEV | iPhone 6 (8.3) |
| Swift 1.2 | 0.794 seconds 2% STDEV | - | 1.252 seconds 1% STDEV | iPhone 6 (8.3) |
| Swift 2.0 | 0.794 seconds 2% STDEV | - | 0.820 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 2.1 | 0.827 seconds 4% STDEV | - | 0.895 seconds 2% STDEV | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 0.748 seconds 4% STDEV | - | 0.810 seconds 1% STDEV | iPhone 6 (9.2) |
#####Shuffle 1,000,000 SwiftObject objects with Swift implementation taking [SwiftObject]
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 0.826 seconds 2% STDEV | - | 2.527 seconds 1% STDEV | iPhone 6 (8.3) |
| Swift 1.2 | 0.795 seconds 2% STDEV | - | 1.352 seconds 1% STDEV | iPhone 6 (8.3) |
| Swift 2.0 | 0.796 seconds 2% STDEV | - | 0.830 seconds 3% STDEV | iPhone 6 (8.3) |
| Swift 2.1 | 0.835 seconds 4% STDEV | - | 0.887 seconds 3% STDEV | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 0.755 seconds 3% STDEV | - | 0.809 seconds 3% STDEV | iPhone 6 (9.2) |
#####Shuffle 1,000,000 SwiftStructObject objects with Swift implementation taking [SwiftStructObject]
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | - | - | 0.070 seconds 1% STDEV | iPhone 6 (8.3) |
| Swift 1.2 | - | - | 0.065 seconds 3% STDEV | iPhone 6 (8.3) |
| Swift 2.0 | - | - | 0.067 seconds 2% STDEV | iPhone 6 (8.3) |
| Swift 2.1 | - | - | 0.067 seconds 5% STDEV | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | - | - | 0.069 seconds 17% STDEV | iPhone 6 (9.2) |
#####Empty loop 1,000,000 Int objects in [Int]
| Version | Objective-C | Bridgeable Swift | Swift | Device (iOS Version) |
|---|---|---|---|---|
| Swift 1.1 | 0.010 seconds 38% STDEV | - | 0.003 seconds 49% STDEV | iPhone 6 (8.3) |
| Swift 1.2 | 0.005 seconds 10% STDEV | - | 0.001 seconds 20% STDEV | iPhone 6 (8.3) |
| Swift 2.0 | 0.005 seconds 23% STDEV | - | 0.001 seconds 10% STDEV | iPhone 6 (8.3) |
| Swift 2.1 | 0.005 seconds 35% STDEV | - | 0.001 seconds 9% STDEV | iPhone 6 (9.2) |
| Swift 2.2 Snapshot | 0.005 seconds 24% STDEV | - | 0.000 seconds 106% STDEV | iPhone 6 (9.2) |