     copy.count = count
     copy.count = orig
   }
-}
-
-@inline(never)
-public func run_MutateBytesSmall(_ N: Int) {
-  let data = sampleData(.small)
-  benchmark_MutateBytes(N, data)
-}
-
-@inline(never)
-public func run_MutateBytesMedium(_ N: Int) {
-  let data = sampleData(.medium)
-  benchmark_MutateBytes(N, data)
 }
 
 @inline(never)

    runFunction: { withUnsafeBytes($0, data: medium) }, tags: d),

  BenchmarkInfo(name: "DataMutateBytesSmall",
    runFunction: run_MutateBytesSmall, tags: d),
  BenchmarkInfo(name: "DataMutateBytesMedium",
    runFunction: run_MutateBytesMedium, tags: d),

  BenchmarkInfo(name: "DataCopyBytesSmall",
    runFunction: run_CopyBytesSmall, tags: d),

  }
}

@inline(never)
func withUnsafeMutableBytes(_ N: Int, data: Data) {
  for _ in 0..<10000*N {
    var copy = data
    copy.withUnsafeMutableBytes { (ptr: UnsafeMutablePointer<UInt8>) in
      // Mutate a byte
      ptr.pointee = 42
    }
