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18 lines
392 B
Go
18 lines
392 B
Go
package base64x
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import (
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`fmt`
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`os`
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`github.com/klauspost/cpuid/v2`
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)
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func hasAVX2() bool {
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switch v := os.Getenv("B64X_MODE"); v {
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case "" : fallthrough
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case "auto" : return cpuid.CPU.Has(cpuid.AVX2)
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case "noavx2" : return false
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default : panic(fmt.Sprintf("invalid mode: '%s', should be one of 'auto', 'noavx2'", v))
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}
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}
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