1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2021 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import Foundation
import NIOCore
import NIOPosix
final class ExecuteBenchmark: Benchmark {
private var group: MultiThreadedEventLoopGroup!
private var loop: EventLoop!
private var dg: DispatchGroup!
private var counter = 0
private let numTasks: Int
init(numTasks: Int) {
self.numTasks = numTasks
}
func setUp() throws {
group = MultiThreadedEventLoopGroup(numberOfThreads: 1)
loop = group.next()
dg = DispatchGroup()
// We are preheating the EL to avoid growing the `ScheduledTask` `PriorityQueue`
// during the actual test
try! self.loop.submit {
var counter: Int = 0
for _ in 0..<self.numTasks {
self.loop.scheduleTask(in: .nanoseconds(0)) {
counter &+= 1
}
}
}.wait()
}
func tearDown() { }
func run() -> Int {
try! self.loop.submit {
for _ in 0..<self.numTasks {
self.dg.enter()
self.loop.execute {
self.counter &+= 1
self.dg.leave()
}
}
}.wait()
self.dg.wait()
return self.counter
}
}
|
