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[benchmark][SR-3106] Add benchmarks with 4 different Observers #5583

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Nov 2, 2016
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4 changes: 4 additions & 0 deletions benchmark/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,10 @@ set(SWIFT_BENCH_MODULES
single-source/NSStringConversion
single-source/NopDeinit
single-source/ObjectAllocation
single-source/ObserverClosure
single-source/ObserverForwarderStruct
single-source/ObserverPartiallyAppliedMethod
single-source/ObserverUnappliedMethod
single-source/OpenClose
single-source/Phonebook
single-source/PolymorphicCalls
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29 changes: 29 additions & 0 deletions benchmark/single-source/ObserverClosure.swift
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@

class Observer {
@inline(never)
func receive(_ value: Int) {
}
}

class Signal {
var observers: [(Int) -> ()] = []

func subscribe(_ observer: @escaping (Int) -> ()) {
observers.append(observer)
}

func send(_ value: Int) {
for observer in observers {
observer(value)
}
}
}

public func run_ObserverClosure(_ iterations: Int) {
let signal = Signal()
let observer = Observer()
for _ in 0 ..< 10_000 * iterations {
signal.subscribe { i in observer.receive(i) }
}
signal.send(1)
}
41 changes: 41 additions & 0 deletions benchmark/single-source/ObserverForwarderStruct.swift
Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@

class Observer {
@inline(never)
func receive(_ value: Int) {
}
}

protocol Sink {
func receive(_ value: Int)
}

struct Forwarder: Sink {
let object: Observer

func receive(_ value: Int) {
object.receive(value)
}
}

class Signal {
var observers: [Sink] = []

func subscribe(_ sink: Sink) {
observers.append(sink)
}

func send(_ value: Int) {
for observer in observers {
observer.receive(value)
}
}
}

public func run_ObserverForwarderStruct(_ iterations: Int) {
let signal = Signal()
let observer = Observer()
for _ in 0 ..< 10_000 * iterations {
signal.subscribe(Forwarder(object: observer))
}
signal.send(1)
}
29 changes: 29 additions & 0 deletions benchmark/single-source/ObserverPartiallyAppliedMethod.swift
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@

class Observer {
@inline(never)
func receive(_ value: Int) {
}
}

class Signal {
var observers: [(Int) -> ()] = []

func subscribe(_ observer: @escaping (Int) -> ()) {
observers.append(observer)
}

func send(_ value: Int) {
for observer in observers {
observer(value)
}
}
}

public func run_ObserverPartiallyAppliedMethod(_ iterations: Int) {
let signal = Signal()
let observer = Observer()
for _ in 0 ..< 10_000 * iterations {
signal.subscribe(observer.receive)
}
signal.send(1)
}
43 changes: 43 additions & 0 deletions benchmark/single-source/ObserverUnappliedMethod.swift
Original file line number Diff line number Diff line change
@@ -0,0 +1,43 @@

class Observer {
@inline(never)
func receive(_ value: Int) {
}
}

protocol Sink {
func receive(_ value: Int)
}

struct Forwarder<Object>: Sink {
let object: Object
let method: (Object) -> (Int) -> ()

func receive(_ value: Int) {
method(object)(value)
}
}

class Signal {
var observers: [Sink] = []

func subscribe(_ sink: Sink) {
observers.append(sink)
}

func send(_ value: Int) {
for observer in observers {
observer.receive(value)
}
}
}

public func run_ObserverUnappliedMethod(_ iterations: Int) {
let signal = Signal()
let observer = Observer()
for _ in 0 ..< 10_000 * iterations {
let forwarder = Forwarder(object: observer, method: Observer.receive)
signal.subscribe(forwarder)
}
signal.send(1)
}
8 changes: 8 additions & 0 deletions benchmark/utils/main.swift
Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,10 @@ import ObjectAllocation
import ObjectiveCBridging
import ObjectiveCBridgingStubs
import ObjectiveCNoBridgingStubs
import ObserverClosure
import ObserverForwarderStruct
import ObserverPartiallyAppliedMethod
import ObserverUnappliedMethod
import OpenClose
import Phonebook
import PolymorphicCalls
Expand Down Expand Up @@ -197,6 +201,10 @@ precommitTests = [
"ObjectiveCBridgeToNSDictionary": run_ObjectiveCBridgeToNSDictionary,
"ObjectiveCBridgeToNSSet": run_ObjectiveCBridgeToNSSet,
"ObjectiveCBridgeToNSString": run_ObjectiveCBridgeToNSString,
"ObserverClosure": run_ObserverClosure,
"ObserverForwarderStruct": run_ObserverForwarderStruct,
"ObserverPartiallyAppliedMethod": run_ObserverPartiallyAppliedMethod,
"ObserverUnappliedMethod": run_ObserverUnappliedMethod,
"OpenClose": run_OpenClose,
"Phonebook": run_Phonebook,
"PolymorphicCalls": run_PolymorphicCalls,
Expand Down