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LlamaModelV2

Struct LlamaModelV2 

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pub struct LlamaModelV2 { /* private fields */ }
Expand description

Main Llama model implementation

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impl LlamaModelV2

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pub fn forward_with_cache( &self, inputs: &ModelInputs, cache: Option<&mut KVCache>, ) -> Result<ModelOutputs>

Forward pass with KV cache support

This method enables efficient autoregressive generation by caching Key and Value tensors from previous tokens.

§Arguments
  • inputs - Model inputs (only new tokens)
  • cache - Optional mutable reference to KV cache
§Returns

Model outputs with logits for the new tokens

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pub fn generate_with_cache( &self, prompt: &str, config: &GenerationConfig, ) -> Result<String>

Generate text with KV caching for efficient autoregressive generation

This method is significantly faster than generate() for long sequences because it caches Key and Value tensors instead of recomputing them.

§Arguments
  • prompt - Input text prompt
  • config - Generation configuration
§Returns

Generated text including the prompt

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impl Model for LlamaModelV2

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type Config = LlamaConfig

Model configuration type
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fn new(config: Self::Config) -> Result<Self>

Create new model instance
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fn from_weights(config: Self::Config, weights: ModelWeights) -> Result<Self>

Load model with weights
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fn forward(&self, inputs: &ModelInputs) -> Result<ModelOutputs>

Forward pass - core inference method
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fn generate(&self, prompt: &str, config: &GenerationConfig) -> Result<String>

Generate text (high-level interface)
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fn config(&self) -> &Self::Config

Get model configuration
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fn memory_requirements(&self) -> MemoryRequirements

Get model memory requirements
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fn to_device(&mut self, device: &Device) -> Result<()>

Move model to device

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