# IContextParams

Namespace: LLama.Abstractions

The parameters for initializing a LLama context from a model.

```csharp
public interface IContextParams
```

## Properties

### **ContextSize**

Model context size (n_ctx)

```csharp
public abstract Nullable<uint> ContextSize { get; }
```

#### Property Value

[Nullable&lt;UInt32&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **BatchSize**

batch size for prompt processing (must be &gt;=32 to use BLAS) (n_batch)

```csharp
public abstract uint BatchSize { get; }
```

#### Property Value

[UInt32](https://docs.microsoft.com/en-us/dotnet/api/system.uint32)<br>

### **Seed**

Seed for the random number generator (seed)

```csharp
public abstract uint Seed { get; }
```

#### Property Value

[UInt32](https://docs.microsoft.com/en-us/dotnet/api/system.uint32)<br>

### **EmbeddingMode**

Whether to use embedding mode. (embedding) Note that if this is set to true, 
 The LLamaModel won't produce text response anymore.

```csharp
public abstract bool EmbeddingMode { get; }
```

#### Property Value

[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean)<br>

### **RopeFrequencyBase**

RoPE base frequency (null to fetch from the model)

```csharp
public abstract Nullable<float> RopeFrequencyBase { get; }
```

#### Property Value

[Nullable&lt;Single&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **RopeFrequencyScale**

RoPE frequency scaling factor (null to fetch from the model)

```csharp
public abstract Nullable<float> RopeFrequencyScale { get; }
```

#### Property Value

[Nullable&lt;Single&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **Encoding**

The encoding to use for models

```csharp
public abstract Encoding Encoding { get; }
```

#### Property Value

[Encoding](https://docs.microsoft.com/en-us/dotnet/api/system.text.encoding)<br>

### **Threads**

Number of threads (null = autodetect) (n_threads)

```csharp
public abstract Nullable<uint> Threads { get; }
```

#### Property Value

[Nullable&lt;UInt32&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **BatchThreads**

Number of threads to use for batch processing (null = autodetect) (n_threads)

```csharp
public abstract Nullable<uint> BatchThreads { get; }
```

#### Property Value

[Nullable&lt;UInt32&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **YarnExtrapolationFactor**

YaRN extrapolation mix factor (null = from model)

```csharp
public abstract Nullable<float> YarnExtrapolationFactor { get; }
```

#### Property Value

[Nullable&lt;Single&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **YarnAttentionFactor**

YaRN magnitude scaling factor (null = from model)

```csharp
public abstract Nullable<float> YarnAttentionFactor { get; }
```

#### Property Value

[Nullable&lt;Single&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **YarnBetaFast**

YaRN low correction dim (null = from model)

```csharp
public abstract Nullable<float> YarnBetaFast { get; }
```

#### Property Value

[Nullable&lt;Single&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **YarnBetaSlow**

YaRN high correction dim (null = from model)

```csharp
public abstract Nullable<float> YarnBetaSlow { get; }
```

#### Property Value

[Nullable&lt;Single&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **YarnOriginalContext**

YaRN original context length (null = from model)

```csharp
public abstract Nullable<uint> YarnOriginalContext { get; }
```

#### Property Value

[Nullable&lt;UInt32&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **YarnScalingType**

YaRN scaling method to use.

```csharp
public abstract Nullable<RopeScalingType> YarnScalingType { get; }
```

#### Property Value

[Nullable&lt;RopeScalingType&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **TypeK**

Override the type of the K cache

```csharp
public abstract Nullable<GGMLType> TypeK { get; }
```

#### Property Value

[Nullable&lt;GGMLType&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **TypeV**

Override the type of the V cache

```csharp
public abstract Nullable<GGMLType> TypeV { get; }
```

#### Property Value

[Nullable&lt;GGMLType&gt;](https://docs.microsoft.com/en-us/dotnet/api/system.nullable-1)<br>

### **NoKqvOffload**

Whether to disable offloading the KQV cache to the GPU

```csharp
public abstract bool NoKqvOffload { get; }
```

#### Property Value

[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean)<br>

### **DefragThreshold**

defragment the KV cache if holes/size &gt; defrag_threshold, Set to &lt; 0 to disable (default)

```csharp
public abstract float DefragThreshold { get; }
```

#### Property Value

[Single](https://docs.microsoft.com/en-us/dotnet/api/system.single)<br>

### **DoPooling**

Whether to pool (sum) embedding results by sequence id (ignored if no pooling layer)

```csharp
public abstract bool DoPooling { get; }
```

#### Property Value

[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean)<br>