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gitea/vendor/github.com/klauspost/cpuid/v2/os_darwin_arm64.go

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684 B
Go

// Copyright (c) 2020 Klaus Post, released under MIT License. See LICENSE file.
package cpuid
import "runtime"
func detectOS(c *CPUInfo) bool {
// There are no hw.optional sysctl values for the below features on Mac OS 11.0
// to detect their supported state dynamically. Assume the CPU features that
// Apple Silicon M1 supports to be available as a minimal set of features
// to all Go programs running on darwin/arm64.
// TODO: Add more if we know them.
c.featureSet.setIf(runtime.GOOS != "ios", AESARM, PMULL, SHA1, SHA2)
c.PhysicalCores = runtime.NumCPU()
// For now assuming 1 thread per core...
c.ThreadsPerCore = 1
c.LogicalCores = c.PhysicalCores
return true
}