5c8912d7a4
XXH3 is the faster alternative to XXH64 which utilizes SIMD when hashing large chunks of memory and similar mixing to WyHash (64x64 -> 128 mul) for smaller inputs. Co-authored-by: Reixcon226 <87927264+Rexicon226@users.noreply.github.com> --------- Co-authored-by: kprotty <kbutcher6200@gmail.com>
64 lines
1.7 KiB
Zig
64 lines
1.7 KiB
Zig
const adler = @import("hash/adler.zig");
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pub const Adler32 = adler.Adler32;
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const auto_hash = @import("hash/auto_hash.zig");
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pub const autoHash = auto_hash.autoHash;
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pub const autoHashStrat = auto_hash.hash;
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pub const Strategy = auto_hash.HashStrategy;
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// pub for polynomials + generic crc32 construction
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pub const crc = @import("hash/crc.zig");
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pub const Crc32 = crc.Crc32;
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const fnv = @import("hash/fnv.zig");
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pub const Fnv1a_32 = fnv.Fnv1a_32;
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pub const Fnv1a_64 = fnv.Fnv1a_64;
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pub const Fnv1a_128 = fnv.Fnv1a_128;
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const siphash = @import("crypto/siphash.zig");
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pub const SipHash64 = siphash.SipHash64;
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pub const SipHash128 = siphash.SipHash128;
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pub const murmur = @import("hash/murmur.zig");
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pub const Murmur2_32 = murmur.Murmur2_32;
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pub const Murmur2_64 = murmur.Murmur2_64;
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pub const Murmur3_32 = murmur.Murmur3_32;
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pub const cityhash = @import("hash/cityhash.zig");
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pub const CityHash32 = cityhash.CityHash32;
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pub const CityHash64 = cityhash.CityHash64;
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const wyhash = @import("hash/wyhash.zig");
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pub const Wyhash = wyhash.Wyhash;
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const xxhash = @import("hash/xxhash.zig");
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pub const XxHash3 = xxhash.XxHash3;
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pub const XxHash64 = xxhash.XxHash64;
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pub const XxHash32 = xxhash.XxHash32;
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/// This is handy if you have a u32 and want a u32 and don't want to take a
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/// detour through many layers of abstraction elsewhere in the std.hash
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/// namespace.
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/// Copied from https://nullprogram.com/blog/2018/07/31/
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pub fn uint32(input: u32) u32 {
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var x: u32 = input;
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x ^= x >> 16;
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x *%= 0x7feb352d;
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x ^= x >> 15;
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x *%= 0x846ca68b;
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x ^= x >> 16;
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return x;
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}
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test {
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_ = adler;
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_ = auto_hash;
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_ = crc;
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_ = fnv;
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_ = murmur;
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_ = cityhash;
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_ = wyhash;
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_ = xxhash;
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}
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