jschoubben
0dbe8f9a32
The operator sees per module and node what is assigned, what the node reports and what it waits on; a have with no open assignment is left behind, never running.
82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
// Copyright (c) 2017-2024 Minio Inc. All rights reserved.
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// Use of this source code is governed by a license that can be
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// found in the LICENSE file.
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//go:build !noasm && !appengine
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// +build !noasm,!appengine
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package highwayhash
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import (
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"golang.org/x/sys/cpu"
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)
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var (
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useSSE4 = false
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useAVX2 = false
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useNEON = cpu.ARM64.HasASIMD
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useSVE = cpu.ARM64.HasSVE
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useSVE2 = false // cpu.ARM64.HasSVE2 -- disable until tested on real hardware
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useVMX = false
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)
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func init() {
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if useSVE {
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if vl, _ := getVectorLength(); vl != 256 {
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//
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// Since HighwayHash is designed for AVX2,
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// SVE/SVE2 instructions only run correctly
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// for vector length of 256
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//
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useSVE2 = false
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useSVE = false
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}
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}
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}
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//go:noescape
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func initializeArm64(state *[16]uint64, key []byte)
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//go:noescape
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func updateArm64(state *[16]uint64, msg []byte)
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//go:noescape
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func getVectorLength() (vl, pl uint64)
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//go:noescape
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func updateArm64Sve(state *[16]uint64, msg []byte)
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//go:noescape
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func updateArm64Sve2(state *[16]uint64, msg []byte)
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//go:noescape
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func finalizeArm64(out []byte, state *[16]uint64)
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func initialize(state *[16]uint64, key []byte) {
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if useNEON {
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initializeArm64(state, key)
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} else {
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initializeGeneric(state, key)
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}
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}
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func update(state *[16]uint64, msg []byte) {
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if useSVE2 {
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updateArm64Sve2(state, msg)
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} else if useSVE {
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updateArm64Sve(state, msg)
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} else if useNEON {
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updateArm64(state, msg)
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} else {
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updateGeneric(state, msg)
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}
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}
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func finalize(out []byte, state *[16]uint64) {
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if useNEON {
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finalizeArm64(out, state)
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} else {
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finalizeGeneric(out, state)
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}
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}
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