# LLamaContextParams
Namespace: LLama.Native
A C# representation of the llama.cpp `llama_context_params` struct
```csharp
public struct LLamaContextParams
```
Inheritance [Object](https://docs.microsoft.com/en-us/dotnet/api/system.object) → [ValueType](https://docs.microsoft.com/en-us/dotnet/api/system.valuetype) → [LLamaContextParams](./llama.native.llamacontextparams.md)
## Fields
### **seed**
RNG seed, -1 for random
```csharp
public uint seed;
```
### **n_ctx**
text context, 0 = from model
```csharp
public uint n_ctx;
```
### **n_batch**
prompt processing batch size
```csharp
public uint n_batch;
```
### **n_threads**
number of threads to use for generation
```csharp
public uint n_threads;
```
### **n_threads_batch**
number of threads to use for batch processing
```csharp
public uint n_threads_batch;
```
### **rope_scaling_type**
RoPE scaling type, from `enum llama_rope_scaling_type`
```csharp
public RopeScalingType rope_scaling_type;
```
### **rope_freq_base**
RoPE base frequency, 0 = from model
```csharp
public float rope_freq_base;
```
### **rope_freq_scale**
RoPE frequency scaling factor, 0 = from model
```csharp
public float rope_freq_scale;
```
### **yarn_ext_factor**
YaRN extrapolation mix factor, negative = from model
```csharp
public float yarn_ext_factor;
```
### **yarn_attn_factor**
YaRN magnitude scaling factor
```csharp
public float yarn_attn_factor;
```
### **yarn_beta_fast**
YaRN low correction dim
```csharp
public float yarn_beta_fast;
```
### **yarn_beta_slow**
YaRN high correction dim
```csharp
public float yarn_beta_slow;
```
### **yarn_orig_ctx**
YaRN original context size
```csharp
public uint yarn_orig_ctx;
```
### **defrag_threshold**
defragment the KV cache if holes/size > defrag_threshold, Set to < 0 to disable (default)
```csharp
public float defrag_threshold;
```
### **cb_eval**
ggml_backend_sched_eval_callback
```csharp
public IntPtr cb_eval;
```
### **cb_eval_user_data**
User data passed into cb_eval
```csharp
public IntPtr cb_eval_user_data;
```
### **type_k**
data type for K cache
```csharp
public GGMLType type_k;
```
### **type_v**
data type for V cache
```csharp
public GGMLType type_v;
```
## Properties
### **embedding**
embedding mode only
```csharp
public bool embedding { get; set; }
```
#### Property Value
[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean)
### **offload_kqv**
whether to offload the KQV ops (including the KV cache) to GPU
```csharp
public bool offload_kqv { get; set; }
```
#### Property Value
[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean)
### **do_pooling**
Whether to pool (sum) embedding results by sequence id (ignored if no pooling layer)
```csharp
public bool do_pooling { get; set; }
```
#### Property Value
[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean)