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9f3dad4096
Swift is crashing on Ubuntu 22.04 when compiling benchmarks for `std::span`. rdar://136875225
124 lines
3.2 KiB
Swift
124 lines
3.2 KiB
Swift
//===--- CxxSpanTests.swift ----------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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import TestsUtils
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// FIXME swift-ci linux tests do not support std::span
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#if os(Linux)
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public let benchmarks = [BenchmarkInfo]()
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#else
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import CxxStdlibPerformance
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import CxxStdlib // FIXME(rdar://128520766): this import should be redundant
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let iterRepeatFactor = 7
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public let benchmarks = [
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BenchmarkInfo(
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name: "CxxSpanTests.raw.iterator",
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runFunction: run_CxxSpanOfU32_RawIterator,
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tags: [.validation, .bridging, .cxxInterop],
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setUpFunction: makeSpanOnce),
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BenchmarkInfo(
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name: "CxxSpanTests.index.subscript",
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runFunction: run_CxxSpanOfU32_IndexAndSubscript,
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tags: [.validation, .bridging, .cxxInterop],
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setUpFunction: makeSpanOnce),
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BenchmarkInfo(
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name: "CxxSpanTests.for.loop",
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runFunction: run_CxxSpanOfU32_ForInLoop,
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tags: [.validation, .bridging, .cxxInterop],
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setUpFunction: makeSpanOnce),
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BenchmarkInfo(
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name: "CxxSpanTests.map",
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runFunction: run_CxxSpanOfU32_MapSpan,
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tags: [.validation, .bridging, .cxxInterop],
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setUpFunction: makeSpanOnce),
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BenchmarkInfo(
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name: "CxxSpanTests.filter",
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runFunction: run_CxxSpanOfU32_FilterSpan,
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tags: [.validation, .bridging, .cxxInterop],
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setUpFunction: makeSpanOnce),
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BenchmarkInfo(
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name: "CxxSpanTests.reduce",
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runFunction: run_CxxSpanOfU32_ReduceSpan,
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tags: [.validation, .bridging, .cxxInterop],
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setUpFunction: makeSpanOnce),
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]
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func makeSpanOnce() {
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initSpan()
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}
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@inline(never)
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public func run_CxxSpanOfU32_RawIterator(_ n: Int) {
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var sum: UInt32 = 0
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for _ in 0..<(n * iterRepeatFactor * 2) {
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var b = span.__beginUnsafe()
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let e = span.__endUnsafe()
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while b != e {
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sum = sum &+ b.pointee
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b = b.successor()
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}
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}
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blackHole(sum)
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}
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@inline(never)
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public func run_CxxSpanOfU32_IndexAndSubscript(_ n: Int) {
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var sum: UInt32 = 0
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for _ in 0..<(n * iterRepeatFactor * 2) {
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for i in 0..<span.size() {
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sum = sum &+ span[i]
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}
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}
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blackHole(sum)
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}
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@inline(never)
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public func run_CxxSpanOfU32_ForInLoop(_ n: Int) {
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var sum: UInt32 = 0
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for _ in 0..<(n * iterRepeatFactor * 2) {
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for x in span {
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sum = sum &+ x
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}
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}
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blackHole(sum)
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}
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@inline(never)
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public func run_CxxSpanOfU32_MapSpan(_ n: Int) {
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for _ in 0..<(n * iterRepeatFactor) {
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let result = span.map { $0 &+ 5 }
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blackHole(result)
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}
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}
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@inline(never)
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public func run_CxxSpanOfU32_FilterSpan(_ n: Int) {
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for _ in 0..<(n * iterRepeatFactor) {
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let result = span.filter { $0 % 2 == 0 }
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blackHole(result)
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}
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}
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@inline(never)
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public func run_CxxSpanOfU32_ReduceSpan(_ n: Int) {
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var sum: UInt32 = 0
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for _ in 0..<(n * iterRepeatFactor * 2) {
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sum = sum &+ span.reduce(sum, &+)
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}
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blackHole(sum)
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}
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#endif
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