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6266dbae53
This benchmark was "accidentally" accessing a global variable in the main iteration loop, which is in some situations very expensive and has nothing to do with what the benchmark is trying to test.
90 lines
2.0 KiB
Swift
90 lines
2.0 KiB
Swift
//===--- RangeAssignment.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 - 2017 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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#if swift(>=4.2)
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public let RangeIteration = [
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BenchmarkInfo(
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name: "RangeIterationSigned",
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runFunction: run_RangeIterationSigned,
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tags: [.validation, .api]
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),
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BenchmarkInfo(
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name: "RangeIterationSigned64",
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runFunction: run_RangeIterationSigned64,
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tags: [.validation, .api]
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),
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BenchmarkInfo(
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name: "RangeIterationUnsigned",
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runFunction: run_RangeIterationUnsigned,
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tags: [.validation, .api]
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),
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]
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#else
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public let RangeIteration = [
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BenchmarkInfo(
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name: "RangeIterationSigned",
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runFunction: run_RangeIterationSigned,
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tags: [.validation, .api]
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)
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]
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#endif
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@inline(never)
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func sum(_ x: UInt64, _ y: UInt64) -> UInt64 {
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return x &+ y
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}
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@inline(never)
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public func run_RangeIterationSigned(_ N: Int) {
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let range = 0..<100000
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var check: UInt64 = 0
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for _ in 1...N {
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for e in range {
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check = sum(check, UInt64(e))
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}
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}
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CheckResults(check == 4999950000 * UInt64(N))
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}
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#if swift(>=4.2)
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@inline(never)
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public func run_RangeIterationSigned64(_ N: Int) {
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let range: Range<Int64> = 0..<100000
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var check: UInt64 = 0
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for _ in 1...N {
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for e in range {
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check = sum(check, UInt64(e))
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}
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}
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CheckResults(check == 4999950000 * UInt64(N))
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}
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@inline(never)
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public func run_RangeIterationUnsigned(_ N: Int) {
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let range: Range<UInt> = 0..<100000
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var check: UInt64 = 0
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for _ in 1...N {
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for e in range {
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check = sum(check, UInt64(e))
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}
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}
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CheckResults(check == 4999950000 * UInt64(N))
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}
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#endif
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