forked from BigfootDev/flatbuffers
4d6a7aa8b7
Formats the swift project Update Sample files Update docc documentation Updates swift docs in the website Updates code for Wasm
88 lines
2.3 KiB
Swift
88 lines
2.3 KiB
Swift
/*
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* Copyright 2023 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import Benchmark
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import CoreFoundation
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import FlatBuffers
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benchmark("10Strings") {
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var fb = FlatBufferBuilder(initialSize: 1<<20)
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for _ in 0..<1_000_000 {
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_ = fb.create(string: "foobarbaz")
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}
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}
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benchmark("100Strings") {
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var fb = FlatBufferBuilder(initialSize: 1<<20)
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for _ in 0..<1_000_000 {
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_ = fb.create(string: str)
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}
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}
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benchmark("FlatBufferBuilder.add") {
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var fb = FlatBufferBuilder(initialSize: 1024 * 1024 * 32)
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for _ in 0..<1_000_000 {
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let off = fb.create(string: "T")
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let s = fb.startTable(with: 4)
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fb.add(element: 3.2, def: 0, at: 2)
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fb.add(element: 4.2, def: 0, at: 4)
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fb.add(element: 5.2, def: 0, at: 6)
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fb.add(offset: off, at: 8)
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_ = fb.endTable(at: s)
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}
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}
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benchmark("structs") {
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let structCount = 1_000_000
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let rawSize = ((16 * 5) * structCount) / 1024
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var fb = FlatBufferBuilder(initialSize: Int32(rawSize * 1600))
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var offsets: [Offset] = []
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for _ in 0..<structCount {
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fb.startVector(
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5 * MemoryLayout<AA>.size,
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elementSize: MemoryLayout<AA>.alignment)
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for _ in 0..<5 {
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_ = fb.create(struct: AA(a: 2.4, b: 2.4))
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}
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let vector = fb.endVector(len: 5)
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let start = fb.startTable(with: 1)
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fb.add(offset: vector, at: 4)
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offsets.append(Offset(offset: fb.endTable(at: start)))
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}
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let vector = fb.createVector(ofOffsets: offsets)
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let start = fb.startTable(with: 1)
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fb.add(offset: vector, at: 4)
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let root = Offset(offset: fb.endTable(at: start))
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fb.finish(offset: root)
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}
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let str = (0...99).map { _ -> String in "x" }.joined()
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@usableFromInline
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struct AA: NativeStruct {
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public init(a: Double, b: Double) {
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self.a = a
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self.b = b
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}
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var a: Double
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var b: Double
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}
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Benchmark.main()
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