### Build and test commands from project root

Source: https://github.com/xenoatom/xenoatom.allocators/blob/main/AGENTS.md

Run from the project root directory. Builds the solution in Release configuration and runs all tests. All tests must pass before submitting.

```sh
cd src
dotnet build -c Release
dotnet test -c Release
```

--------------------------------

### Create TlsfAllocator with BasicChunkAllocator and 64-byte alignment

Source: https://github.com/xenoatom/xenoatom.allocators/blob/main/doc/readme.md

Creates a TlsfAllocator instance using a BasicChunkAllocator and a minimum alignment of 64 bytes.

```csharp
var chunkAllocator = new BasicChunkAllocator();
// Create an allocator with a minimum alignment of 64 bytes
var allocator = new TlsfAllocator(chunkAllocator, 64);
```

--------------------------------

### BasicChunkAllocator implementation using native memory

Source: https://github.com/xenoatom/xenoatom.allocators/blob/main/doc/readme.md

Implements IMemoryChunkAllocator with native memory allocation via NativeMemory.AlignedAlloc and AlignedFree. Uses a fixed chunk size of 65536 bytes and alignment of 64 bytes.

```csharp
/// <summary>
/// Implementation of a chunk allocator for the TLSF allocator using native memory.
/// </summary>
public unsafe class BasicChunkAllocator : IMemoryChunkAllocator
{
    private readonly Dictionary<int, MemoryChunk> _chunks = new Dictionary<int, MemoryChunk>();
    private const int ChunkSize = 65536;
        
    public bool TryAllocateChunk(MemorySize minSize, out MemoryChunk chunk)
    {
        var blockSize = (uint)Math.Max(ChunkSize, (int)minSize.Value);
        var address = NativeMemory.AlignedAlloc(blockSize, 64);
        chunk = new MemoryChunk((ulong)_chunks.Count, (ulong)address, blockSize);
        _chunks.Add(_chunks.Count, chunk);
        return true;
    }

    public void FreeChunk(MemoryChunkId chunkId)
    {
        var index = (int)chunkId.Value;
        var chunk = _chunks[index];
        NativeMemory.AlignedFree((void*)(ulong)chunk.BaseAddress);
        _chunks.Remove(index);
    }
}
```

--------------------------------

### Customize alignment to 128 bytes

Source: https://github.com/xenoatom/xenoatom.allocators/blob/main/doc/readme.md

Creates a TlsfAllocator with a custom alignment of 128 bytes.

```csharp
var allocator = new TlsfAllocator(chunkAllocator, 128);
```

--------------------------------

### Allocate memory with Allocate method

Source: https://github.com/xenoatom/xenoatom.allocators/blob/main/doc/readme.md

Allocates a memory block of 128 bytes using the Allocate method, returning a TlsfAllocation structure.

```csharp
var allocation = allocator.Allocate(128);
```

--------------------------------

### Free memory using Free method

Source: https://github.com/xenoatom/xenoatom.allocators/blob/main/doc/readme.md

Frees allocated memory by passing the TlsfAllocationToken from the TlsfAllocation structure. An implicit cast operator allows passing the allocation directly.

```csharp
allocator.Free(allocation.Token);
// Or you can use the implicit cast operator:
// allocator.Free(allocation);
```

--------------------------------

### Reset allocator to initial state

Source: https://github.com/xenoatom/xenoatom.allocators/blob/main/doc/readme.md

Resets the allocator by freeing all memory chunks via IMemoryChunkAllocator.FreeChunk and restoring the initial state.

```csharp
allocator.Reset();
```

--------------------------------

### TlsfAllocation record struct definition

Source: https://github.com/xenoatom/xenoatom.allocators/blob/main/doc/readme.md

Defines the TlsfAllocation structure with Token, Address, and Size properties representing the allocated block.

```csharp
public readonly record struct TlsfAllocation
{
    /// <summary>
    /// Gets the index of the block allocated (used internally by the allocator).
    /// </summary>
    public readonly TlsfAllocationToken Token;

    /// <summary>
    /// Gets the address of the allocated block.
    /// </summary>
    public readonly MemoryAddress Address;

    /// <summary>
    /// Gets the size of the allocated block.
    /// </summary>
    public readonly MemorySize Size;
}
```

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