DispatchBenchmark

Benchmark project for Swift method dispatch.

Requirement

• Xcode 10.0~
• Swift 4.2

Benchmark

$ swift run

+---------+----------------+-----------------+------------------+-------------------+
|                              Performance (CPU time)                               |
+---------+----------------+-----------------+------------------+-------------------+
| Kind    | 100000 (times) | 1000000 (times) | 10000000 (times) | 100000000 (times) |
+---------+----------------+-----------------+------------------+-------------------+
| static  | 508            | 8169            | 48134            | 495011            |
| vtable  | 1072           | 7982            | 52529            | 563639            |
| witness | 1354           | 6775            | 74830            | 681096            |
+---------+----------------+-----------------+------------------+-------------------+