gotosocial/vendor/github.com/chenzhuoyu/base64x/cpuid.go

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2023-02-25 13:12:40 +01:00
package base64x
import (
`fmt`
`os`
`github.com/klauspost/cpuid/v2`
)
func hasAVX2() bool {
switch v := os.Getenv("B64X_MODE"); v {
case "" : fallthrough
case "auto" : return cpuid.CPU.Has(cpuid.AVX2)
case "noavx2" : return false
default : panic(fmt.Sprintf("invalid mode: '%s', should be one of 'auto', 'noavx2'", v))
}
}