Editor/MotionBricks/GgufTensorInfo.cs
Record type representing one tensor entry in a GGUF file. Stores tensor name, shape (GGML order), element type and file data offset, and exposes computed ElementCount and ByteCount properties.
#nullable enable annotations
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Buffers.Binary;
using System.Runtime.InteropServices;
using System.Text;
namespace HumanoidMocap.EditorTools.MotionBricks;
/// <summary>One tensor entry of a GGUF file. <see cref="Shape"/> is in GGML order (fastest dimension first).</summary>
public sealed record GgufTensorInfo( string Name, long[] Shape, GgufTensorType Type, long DataOffset )
{
public long ElementCount => Shape.Aggregate( 1L, ( a, b ) => a * b );
public long ByteCount => Type switch
{
GgufTensorType.F32 or GgufTensorType.I32 => ElementCount * 4,
GgufTensorType.F16 or GgufTensorType.BF16 => ElementCount * 2,
_ => throw new InvalidDataException( $"Tensor '{Name}' has an unsupported element type {(uint)Type}." ),
};
}