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omochi/swift-heavy-compile-time.swift

Created March 23, 2017 04:36
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swift-heavy-compile-time.swift
var fuga1: Int! = 1
struct A {
var fuga: Int?
}
let hoge: [A] = [
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1),
A(fuga: fuga1)
]
print(hoge)
@omochi

omochi commented Mar 23, 2017

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hogeの要素数とコンパイル時間

1, 0.246
2, 0.699
3, 2.014
4, 1.425
5, 1.514
6, 1.514
7, 0.220
8, 1.705
9, 1.557
10, 1.830
11, 7.600
12, 33.180
13, 132.136

@omochi

omochi commented Mar 23, 2017

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11個, 12個, 13個のところで、4^n の増加が見られる

@omochi

omochi commented Mar 23, 2017

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14, 725.987

@omochi

omochi commented Mar 23, 2017

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15, 2838.418 (47min)

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