Timerix/DTLib.XXHash
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This commit is contained in:
Oleksandr Melnyk
2022-06-09 23:22:22 +03:00
parent a551f65e09
commit d7cf848606
5 changed files with 239 additions and 137 deletions
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16
src/Standart.Hash.xxHash/xxHash32.cs
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@@ -86,8 +86,7 @@ public static partial class xxHash32
/// <param name="seed">The seed number</param>
/// <param name="cancellationToken">The cancellation token</param>
/// <returns>The hash</returns>
public static async ValueTask<uint> ComputeHashAsync(Stream stream, int bufferSize, uint seed,
CancellationToken cancellationToken)
public static async ValueTask<uint> ComputeHashAsync(Stream stream, int bufferSize, uint seed, CancellationToken cancellationToken)
{
Debug.Assert(stream != null);
Debug.Assert(bufferSize > 16);
@@ -120,7 +119,7 @@ public static partial class xxHash32
int l = offset - r; // length
// Process the next chunk
__XXH32_stream_align(buffer, l, ref v1, ref v2, ref v3, ref v4);
__inline__XXH32_stream_process(buffer, l, ref v1, ref v2, ref v3, ref v4);
// Put remaining bytes to buffer
Utils.BlockCopy(buffer, l, buffer, 0, r);
@@ -128,7 +127,7 @@ public static partial class xxHash32
}
// Process the final chunk
uint h32 = __XXH32_stream_finalize(buffer, offset, ref v1, ref v2, ref v3, ref v4, length, seed);
uint h32 = __inline__XXH32_stream_finalize(buffer, offset, ref v1, ref v2, ref v3, ref v4, length, seed);
return h32;
}
@@ -216,7 +215,7 @@ public static partial class xxHash32
int l = offset - r; // length
// Process the next chunk
__XXH32_stream_align(buffer, l, ref v1, ref v2, ref v3, ref v4);
__inline__XXH32_stream_process(buffer, l, ref v1, ref v2, ref v3, ref v4);
// Put remaining bytes to buffer
Utils.BlockCopy(buffer, l, buffer, 0, r);
@@ -224,7 +223,7 @@ public static partial class xxHash32
}
// Process the last chunk
uint h32 = __XXH32_stream_finalize(buffer, offset, ref v1, ref v2, ref v3, ref v4, length, seed);
uint h32 = __inline__XXH32_stream_finalize(buffer, offset, ref v1, ref v2, ref v3, ref v4, length, seed);
return h32;
}
@@ -257,6 +256,9 @@ public static partial class xxHash32
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static unsafe uint UnsafeComputeHash(byte* ptr, int length, uint seed)
{
return XXH32_internal(ptr, length, seed);
// Use inlined version
// return XXH32(ptr, length, seed);
return __inline__XXH32(ptr, length, seed);
}
}