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[benchmark] Data.[init,append].Sequence various sizes #21848

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Merged
merged 3 commits into from
Feb 20, 2019
Merged

[benchmark] Data.[init,append].Sequence various sizes #21848

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626878e
[benchmark] Data.[init,append].Sequence.[809B,64kB]
palimondo Jan 14, 2019
9919bc7
[benchmark] Remove Array.[init/append] & dead code
palimondo Feb 19, 2019
d366105
Merge branch 'master' into and-dreadfully-distinct
palimondo Feb 19, 2019
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155 changes: 145 additions & 10 deletions benchmark/single-source/DataBenchmarks.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -40,12 +40,76 @@ public let DataBenchmarks = [
0, 1, 2, 3, 4, 5, 6,
])) } }, tags: d, legacyFactor: 20),

BenchmarkInfo(name: "Data.init.Sequence.ExactCount", runFunction: {
BenchmarkInfo(name: "Data.init.Sequence.809B.Count", runFunction: {
_init($0*100, sequence: Bytes(count: 809, exact: true)) }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.809B.Count0", runFunction: {
_init($0*100, sequence: Bytes(count: 809, exact: false)) }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.809B.Count.I", runFunction: {
for _ in 0..<$0*100 {
blackHole(Data(Bytes(count: 809, exact: true))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.809B.Count0.I", runFunction: {
for _ in 0..<$0*100 {
blackHole(Data(Bytes(count: 809, exact: false))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.2047B.Count.I", runFunction: {
for _ in 0..<$0*50 {
blackHole(Data(Bytes(count: 2047, exact: true))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.2047B.Count0.I", runFunction: {
for _ in 0..<$0*50 {
blackHole(Data(Bytes(count: 2047, exact: false))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.2049B.Count.I", runFunction: {
for _ in 0..<$0*50 {
blackHole(Data(Bytes(count: 2049, exact: true))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.2049B.Count0.I", runFunction: {
for _ in 0..<$0*50 {
blackHole(Data(Bytes(count: 2049, exact: false))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.511B.Count.I", runFunction: {
for _ in 0..<$0*150 {
blackHole(Data(Bytes(count: 511, exact: true))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.511B.Count0.I", runFunction: {
for _ in 0..<$0*150 {
blackHole(Data(Bytes(count: 511, exact: false))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.513B.Count.I", runFunction: {
for _ in 0..<$0*150 {
blackHole(Data(Bytes(count: 513, exact: true))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.513B.Count0.I", runFunction: {
for _ in 0..<$0*150 {
blackHole(Data(Bytes(count: 513, exact: false))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.64kB.Count", runFunction: {
_init($0, sequence: Bytes(count: 2<<15, exact: true)) }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.64kB.Count0", runFunction: {
_init($0, sequence: Bytes(count: 2<<15, exact: false)) }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.64kB.Count.I", runFunction: {
for _ in 0..<$0 {
blackHole(Data(Bytes(count: 2<<15, exact: true))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.64kB.Count0.I", runFunction: {
for _ in 0..<$0 {
blackHole(Data(Bytes(count: 2<<15, exact: false))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.809B.Count.RE", runFunction: {
_init($0*100, sequence: repeatElement(UInt8(0xA0), count: 809)) }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.809B.Count0.RE", runFunction: {
_init($0*100, sequence: Count0(repeatElement(UInt8(0xA0), count: 809))) },
tags: d),
BenchmarkInfo(name: "Data.init.Sequence.809B.Count.RE.I", runFunction: {
for _ in 0..<$0*100 {
blackHole(Data(repeatElement(UInt8(0xA0), count: 809)))
} }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.UnderestimatedCount", runFunction: {
for _ in 0..<$0*100 { blackHole(Data(repeatElementSeq(809))) } }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.809B.Count0.RE.I", runFunction: {
for _ in 0..<$0*100 {
blackHole(Data(Count0(repeatElement(UInt8(0xA0), count: 809))))
} }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.64kB.Count.RE", runFunction: {
_init($0, sequence: repeatElement(UInt8(0xA0), count: 2<<15)) }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.64kB.Count0.RE", runFunction: {
_init($0, sequence: Count0(repeatElement(UInt8(0xA0), count: 2<<15))) },
tags: d),
BenchmarkInfo(name: "Data.init.Sequence.64kB.Count.RE.I", runFunction: {
for _ in 0..<$0 {
blackHole(Data(repeatElement(UInt8(0xA0), count: 2<<15)))
} }, tags: d),
BenchmarkInfo(name: "Data.init.Sequence.64kB.Count0.RE.I", runFunction: {
for _ in 0..<$0 {
blackHole(Data(Count0(repeatElement(UInt8(0xA0), count: 2<<15))))
} }, tags: d),

BenchmarkInfo(name: "DataSubscriptSmall",
runFunction: { let data = small
Expand Down Expand Up @@ -120,12 +184,58 @@ public let DataBenchmarks = [
BenchmarkInfo(name: "DataAppendSequence",
runFunction: { append($0*100, sequenceLength: 809, to: medium) },
tags: d, legacyFactor: 100),
BenchmarkInfo(name: "Data.append.Sequence.ExactCount", runFunction: {
BenchmarkInfo(name: "Data.append.Sequence.809B.Count", runFunction: {
append($0*100, sequence: Bytes(count: 809, exact: true), to: medium) },
tags: d),
BenchmarkInfo(name: "Data.append.Sequence.809B.Count0", runFunction: {
append($0*100, sequence: Bytes(count: 809, exact: false) , to: medium) },
tags: d),
BenchmarkInfo(name: "Data.append.Sequence.809B.Count.I",
runFunction: { for _ in 1...$0*100 { var copy = medium
copy.append(contentsOf: Bytes(count: 809, exact: true)) } }, tags: d),
BenchmarkInfo(name: "Data.append.Sequence.809B.Count0.I",
runFunction: { for _ in 1...$0*100 { var copy = medium
copy.append(contentsOf: Bytes(count: 809, exact: false)) } }, tags: d),
BenchmarkInfo(name: "Data.append.Sequence.64kB.Count", runFunction: {
append($0, sequence: Bytes(count: 2<<15, exact: true), to: medium) },
tags: d),
BenchmarkInfo(name: "Data.append.Sequence.64kB.Count0", runFunction: {
append($0, sequence: Bytes(count: 2<<15, exact: false), to: medium) },
tags: d),
BenchmarkInfo(name: "Data.append.Sequence.64kB.Count.I", runFunction: {
for _ in 1...$0 { var copy = medium
copy.append(contentsOf: Bytes(count: 2<<15, exact: true)) } }, tags: d),
BenchmarkInfo(name: "Data.append.Sequence.64kB.Count0.I", runFunction: {
for _ in 1...$0 { var copy = medium
copy.append(contentsOf: Bytes(count: 2<<15, exact: false)) } }, tags: d),
BenchmarkInfo(name: "Data.append.Sequence.809B.Count.RE.I", runFunction: {
for _ in 1...$0*100 { var copy = medium
copy.append(contentsOf: repeatElement(UInt8(0xA0), count: 809)) } },
tags: d),
BenchmarkInfo(name: "Data.append.Sequence.809B.Count0.RE.I", runFunction: {
for _ in 1...$0*100 { var copy = medium
copy.append(contentsOf: Count0(repeatElement(UInt8(0xA0), count: 809))) } },
tags: d),
BenchmarkInfo(name: "Data.append.Sequence.809B.Count.RE", runFunction: {
append($0*100, sequence: repeatElement(UInt8(0xA0), count: 809),
to: medium) }, tags: d),
BenchmarkInfo(name: "Data.append.Sequence.UnderestimatedCount", runFunction: {
append($0*100, sequence: repeatElementSeq(809), to: medium) },
BenchmarkInfo(name: "Data.append.Sequence.809B.Count0.RE", runFunction: {
append($0*100, sequence: Count0(repeatElement(UInt8(0xA0), count: 809)),
to: medium) }, tags: d),
BenchmarkInfo(name: "Data.append.Sequence.64kB.Count.RE.I", runFunction: {
for _ in 1...$0 { var copy = medium
copy.append(contentsOf: repeatElement(UInt8(0xA0), count: 2<<15)) } },
tags: d),
BenchmarkInfo(name: "Data.append.Sequence.64kB.Count0.RE.I", runFunction: {
for _ in 1...$0 { var copy = medium
copy.append(contentsOf: Count0(repeatElement(UInt8(0xA0), count: 2<<15))) }
}, tags: d),
BenchmarkInfo(name: "Data.append.Sequence.64kB.Count.RE", runFunction: {
append($0, sequence: repeatElement(UInt8(0xA0), count: 2<<15),
to: medium) }, tags: d),
BenchmarkInfo(name: "Data.append.Sequence.64kB.Count0.RE", runFunction: {
append($0, sequence: Count0(repeatElement(UInt8(0xA0), count: 2<<15)),
to: medium) }, tags: d),

BenchmarkInfo(name: "DataAppendDataSmallToSmall",
runFunction: { append($0*500, data: small, to: small) }, tags: d,
Expand Down Expand Up @@ -205,10 +315,28 @@ let large = sampleData(.large)

let array809 = byteArray(size: 809)

let repeatElementSeq = { count in
return sequence(state: count) { (i: inout Int) -> UInt8? in
defer { i = i &- 1 }; return i > 0 ? UInt8(0xA0) : nil
}
struct Count0<S: Sequence> : Sequence {
let base: S
init (_ base:S) { self.base = base }
func makeIterator() -> S.Iterator { return base.makeIterator() }
var underestimatedCount: Int { return 0 }
}

struct Bytes: Sequence, IteratorProtocol {
let count: Int
let exact: Bool
var i: Int = 0
init(count: Int, exact: Bool) {
self.count = count
self.exact = exact
}
mutating func next() -> UInt8? {
defer { i = i &+ 1 }
return (i < count) ? UInt8(truncatingIfNeeded: i) : nil
}
var underestimatedCount: Int {
return exact ? count : 0
}
}

enum SampleKind {
Expand Down Expand Up @@ -322,6 +450,13 @@ where S.Element == UInt8 {
}
}

@inline(never)
func _init<S: Sequence>(_ N: Int, sequence: S) where S.Element == UInt8 {
for _ in 1...N {
blackHole(Data(sequence))
}
}

@inline(never)
func resetBytes(_ N: Int, in range: Range<Data.Index>, data: Data) {
for _ in 1...N {
Expand Down