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[Benchmark] Benchmark UTF8 decoding from typed & untyped bufferys #22277

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[Benchmark] Benchmark UTF8 decoding from typed & untyped bufferys #22277

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57 changes: 55 additions & 2 deletions benchmark/single-source/UTF8Decode.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,22 @@ public let UTF8Decode = [
name: "UTF8Decode_InitFromBytes",
runFunction: run_UTF8Decode_InitFromBytes,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "UTF8Decode_InitDecoding_buffer",
runFunction: run_UTF8Decode_InitDecoding_buffer,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "UTF8Decode_InitFromBytes_buffer",
runFunction: run_UTF8Decode_InitFromBytes_buffer,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "UTF8Decode_InitDecoding_rawbuffer",
runFunction: run_UTF8Decode_InitDecoding_rawbuffer,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "UTF8Decode_InitFromBytes_rawbuffer",
runFunction: run_UTF8Decode_InitFromBytes_rawbuffer,
tags: [.validation, .api, .String]),
BenchmarkInfo(
name: "UTF8Decode_InitFromData_ascii",
runFunction: run_UTF8Decode_InitFromData_ascii,
Expand Down Expand Up @@ -92,6 +108,7 @@ public func run_UTF8Decode_InitFromData(_ N: Int) {
blackHole(String(data: input, encoding: .utf8))
}
}
// Array<UInt8>.
@inline(never)
public func run_UTF8Decode_InitDecoding(_ N: Int) {
let input = allStringsBytes
Expand All @@ -106,6 +123,44 @@ public func run_UTF8Decode_InitFromBytes(_ N: Int) {
blackHole(String(bytes: input, encoding: .utf8))
}
}
// UnsafeBufferPointer<UInt8>.
@inline(never)
public func run_UTF8Decode_InitDecoding_buffer(_ N: Int) {
let input = allStringsBytes
for _ in 0..<200*N {
input.withUnsafeBufferPointer {
blackHole(String(decoding: $0, as: UTF8.self))
}
}
}
@inline(never)
public func run_UTF8Decode_InitFromBytes_buffer(_ N: Int) {
let input = allStringsBytes
for _ in 0..<200*N {
input.withUnsafeBufferPointer {
blackHole(String(bytes: $0, encoding: .utf8))
}
}
}
// UnsafeRawBufferPointer.
@inline(never)
public func run_UTF8Decode_InitDecoding_rawbuffer(_ N: Int) {
let input = allStringsBytes
for _ in 0..<200*N {
input.withUnsafeBytes {
blackHole(String(decoding: $0, as: UTF8.self))
}
}
}
@inline(never)
public func run_UTF8Decode_InitFromBytes_rawbuffer(_ N: Int) {
let input = allStringsBytes
for _ in 0..<200*N {
input.withUnsafeBytes {
blackHole(String(bytes: $0, encoding: .utf8))
}
}
}

@inline(never)
public func run_UTF8Decode_InitFromData_ascii(_ N: Int) {
Expand All @@ -128,5 +183,3 @@ public func run_UTF8Decode_InitFromBytes_ascii(_ N: Int) {
blackHole(String(bytes: input, encoding: .utf8))
}
}