Faster crc32 implementation (#1294)

* Add Pclmulqdq intrinsic

* Implement crc32 in terms of pclmulqdq

* Address PR comments
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merry 2020-06-05 11:58:27 +01:00 committed by GitHub
parent bcb7761eac
commit f8cd072b62
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6 changed files with 160 additions and 26 deletions

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@ -8,15 +8,16 @@ namespace ARMeilleure
public static bool FastFP { get; set; } = true;
public static bool UseSseIfAvailable { get; set; } = true;
public static bool UseSse2IfAvailable { get; set; } = true;
public static bool UseSse3IfAvailable { get; set; } = true;
public static bool UseSsse3IfAvailable { get; set; } = true;
public static bool UseSse41IfAvailable { get; set; } = true;
public static bool UseSse42IfAvailable { get; set; } = true;
public static bool UsePopCntIfAvailable { get; set; } = true;
public static bool UseAvxIfAvailable { get; set; } = true;
public static bool UseAesniIfAvailable { get; set; } = true;
public static bool UseSseIfAvailable { get; set; } = true;
public static bool UseSse2IfAvailable { get; set; } = true;
public static bool UseSse3IfAvailable { get; set; } = true;
public static bool UseSsse3IfAvailable { get; set; } = true;
public static bool UseSse41IfAvailable { get; set; } = true;
public static bool UseSse42IfAvailable { get; set; } = true;
public static bool UsePopCntIfAvailable { get; set; } = true;
public static bool UseAvxIfAvailable { get; set; } = true;
public static bool UseAesniIfAvailable { get; set; } = true;
public static bool UsePclmulqdqIfAvailable { get; set; } = true;
public static bool ForceLegacySse
{
@ -24,14 +25,15 @@ namespace ARMeilleure
set => HardwareCapabilities.ForceLegacySse = value;
}
internal static bool UseSse => UseSseIfAvailable && HardwareCapabilities.SupportsSse;
internal static bool UseSse2 => UseSse2IfAvailable && HardwareCapabilities.SupportsSse2;
internal static bool UseSse3 => UseSse3IfAvailable && HardwareCapabilities.SupportsSse3;
internal static bool UseSsse3 => UseSsse3IfAvailable && HardwareCapabilities.SupportsSsse3;
internal static bool UseSse41 => UseSse41IfAvailable && HardwareCapabilities.SupportsSse41;
internal static bool UseSse42 => UseSse42IfAvailable && HardwareCapabilities.SupportsSse42;
internal static bool UsePopCnt => UsePopCntIfAvailable && HardwareCapabilities.SupportsPopcnt;
internal static bool UseAvx => UseAvxIfAvailable && HardwareCapabilities.SupportsAvx && !ForceLegacySse;
internal static bool UseAesni => UseAesniIfAvailable && HardwareCapabilities.SupportsAesni;
internal static bool UseSse => UseSseIfAvailable && HardwareCapabilities.SupportsSse;
internal static bool UseSse2 => UseSse2IfAvailable && HardwareCapabilities.SupportsSse2;
internal static bool UseSse3 => UseSse3IfAvailable && HardwareCapabilities.SupportsSse3;
internal static bool UseSsse3 => UseSsse3IfAvailable && HardwareCapabilities.SupportsSsse3;
internal static bool UseSse41 => UseSse41IfAvailable && HardwareCapabilities.SupportsSse41;
internal static bool UseSse42 => UseSse42IfAvailable && HardwareCapabilities.SupportsSse42;
internal static bool UsePopCnt => UsePopCntIfAvailable && HardwareCapabilities.SupportsPopcnt;
internal static bool UseAvx => UseAvxIfAvailable && HardwareCapabilities.SupportsAvx && !ForceLegacySse;
internal static bool UseAesni => UseAesniIfAvailable && HardwareCapabilities.SupportsAesni;
internal static bool UsePclmulqdq => UsePclmulqdqIfAvailable && HardwareCapabilities.SupportsPclmulqdq;
}
}