#pragma once #include "llama.h" #include #include struct llama_ubatch; struct llama_memory_params { // kv cache ggml_type type_k; ggml_type type_v; // use full-size SWA cache bool swa_full; }; // general concept of LLM memory // the KV cache is a type of LLM memory, but there can be other types class llama_memory_i { public: virtual ~llama_memory_i() = default; virtual void clear() = 0; virtual bool seq_rm (llama_seq_id seq_id, llama_pos p0, llama_pos p1) = 0; virtual void seq_cp (llama_seq_id seq_id_src, llama_seq_id seq_id_dst, llama_pos p0, llama_pos p1) = 0; virtual void seq_keep(llama_seq_id seq_id) = 0; virtual void seq_add (llama_seq_id seq_id, llama_pos p0, llama_pos p1, llama_pos shift) = 0; virtual void seq_div (llama_seq_id seq_id, llama_pos p0, llama_pos p1, int d) = 0; virtual llama_pos seq_pos_min(llama_seq_id seq_id) const = 0; virtual llama_pos seq_pos_max(llama_seq_id seq_id) const = 0; virtual bool get_can_edit() const = 0; }; enum llama_memory_status { LLAMA_MEMORY_STATUS_SUCCESS = 0, LLAMA_MEMORY_STATUS_FAILED_PREPARE, LLAMA_MEMORY_STATUS_FAILED_COMPUTE, }; // the interface for managing the memory state during batch processing // this interface is implemented per memory type. see: // - llama_kv_cache_unified_state // - llama_kv_cache_unified_iswa_state // ... // // the only method that can mutate the memory and the memory state is llama_memory_i::apply() // // TODO: rename to llama_memory_context_i ? class llama_memory_state_i { public: virtual ~llama_memory_state_i() = default; // consume the current ubatch from the state and proceed to the next one // return false if we are done virtual bool next() = 0; // apply the memory state for the current ubatch to the memory object // return false on failure virtual bool apply() = 0; // TODO: this might get reworked in the future when refactoring llama_batch virtual std::vector & out_ids() = 0; // get the current ubatch virtual const llama_ubatch & get_ubatch() const = 0; // get the status of the memory state virtual llama_memory_status get_status() const = 0; }; using llama_memory_state_ptr = std::unique_ptr;