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b521ebb55a
benchmark:
goos: linux
goarch: loong64
pkg: math
cpu: Loongson-3A6000 @ 2500.00MHz
│ bench.old │ bench.new │
│ sec/op │ sec/op vs base │
Ceil 10.810n ± 0% 2.578n ± 0% -76.15% (p=0.000 n=20)
Floor 10.810n ± 0% 2.531n ± 0% -76.59% (p=0.000 n=20)
Trunc 9.606n ± 0% 2.530n ± 0% -73.67% (p=0.000 n=20)
geomean 10.39n 2.546n -75.50%
goos: linux
goarch: loong64
pkg: math
cpu: Loongson-3A5000 @ 2500.00MHz
│ bench.old │ bench.new │
│ sec/op │ sec/op vs base │
Ceil 13.220n ± 0% 7.703n ± 8% -41.73% (p=0.000 n=20)
Floor 12.410n ± 0% 7.248n ± 2% -41.59% (p=0.000 n=20)
Trunc 11.210n ± 0% 7.757n ± 4% -30.80% (p=0.000 n=20)
geomean 12.25n 7.566n -38.25%
Change-Id: I3af51e9852e9cf5f965fed895d68945a2e8675f4
Reviewed-on: https://go-review.googlesource.com/c/go/+/612615
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
26 lines
555 B
Go
26 lines
555 B
Go
// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build !386 && !amd64 && !arm64 && !loong64 && !ppc64 && !ppc64le && !riscv64 && !s390x && !wasm
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package math
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const haveArchFloor = false
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func archFloor(x float64) float64 {
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panic("not implemented")
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}
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const haveArchCeil = false
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func archCeil(x float64) float64 {
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panic("not implemented")
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}
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const haveArchTrunc = false
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func archTrunc(x float64) float64 {
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panic("not implemented")
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}
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