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[benchmark] Add benchmark for generic floating-point to integer conversion #33895

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Merged
merged 2 commits into from
Sep 15, 2020
Merged

[benchmark] Add benchmark for generic floating-point to integer conversion #33895

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7f875d0
[benchmark] Add a benchmark for generic floating-point to integer con…
xwu Sep 10, 2020
55b3fb9
[benchmark] Increase workload on new benchmark before merging
xwu Sep 11, 2020
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15 changes: 15 additions & 0 deletions benchmark/single-source/FloatingPointConversion.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,11 @@ public let FloatingPointConversion = [
runFunction: run_ConvertFloatingPoint_MockFloat64ToDouble,
tags: [.validation, .api],
setUpFunction: { blackHole(mockFloat64s) }),
BenchmarkInfo(
name: "ConvertFloatingPoint.MockFloat64ToInt64",
runFunction: run_ConvertFloatingPoint_MockFloat64ToInt64,
tags: [.validation, .api],
setUpFunction: { blackHole(mockFloat64s) }),
]

protocol MockBinaryFloatingPoint: BinaryFloatingPoint {
Expand Down Expand Up @@ -160,3 +165,13 @@ public func run_ConvertFloatingPoint_MockFloat64ToDouble(_ N: Int) {
}
}
}

@inline(never)
public func run_ConvertFloatingPoint_MockFloat64ToInt64(_ N: Int) {
for _ in 0..<(N * 1000) {
for element in mockFloat64s {
let i = Int64(identity(element))
blackHole(i)
}
}
}