Files
llama.cpp/src/llama-kv-cache-hybrid-recurrent.h
Gabe Goodhart d3699366e6 fix: Update recurrent cache for changes to remove intermediate kv_cache interface
Branch: HybridRecurrentCache

Signed-off-by: Gabe Goodhart <ghart@us.ibm.com>
2025-06-17 14:54:18 -06:00

145 lines
4.7 KiB
C++

#pragma once
#include "llama-batch.h"
#include "llama-graph.h"
#include "llama-kv-cache-recurrent.h"
#include "llama-kv-cache-unified.h"
#include "llama-kv-cells.h"
#include "llama-memory.h"
#include <memory>
#include <vector>
//
// llama_kv_cache_hybrid_recurrent
//
// utilizes instances of llama_kv_cache_recurrent and llama_kv_cache_unified to
// support models where each layer may be either attention-based or recurrent
class llama_kv_cache_hybrid_recurrent : public llama_memory_i {
public:
llama_kv_cache_hybrid_recurrent(
const llama_model & model,
/* attn */
ggml_type attn_type_k,
ggml_type attn_type_v,
bool attn_v_trans,
uint32_t attn_kv_size,
uint32_t attn_n_pad,
uint32_t attn_n_swa,
llama_swa_type attn_swa_type,
/* recurrent */
ggml_type recurrent_type_k,
ggml_type recurrent_type_v,
uint32_t recurrent_kv_size,
/* common */
uint32_t n_seq_max,
bool offload);
~llama_kv_cache_hybrid_recurrent() = default;
//
// llama_memory_i
//
llama_memory_state_ptr init_batch(
const llama_batch & batch,
uint32_t n_ubatch,
bool embd_pooled,
bool logits_all) override;
llama_memory_state_ptr init_full() override;
llama_memory_state_ptr init_update(llama_context * lctx, bool optimize) override;
bool get_can_shift() const override;
void clear() override;
bool seq_rm (llama_seq_id seq_id, llama_pos p0, llama_pos p1) override;
void seq_cp (llama_seq_id seq_id_src, llama_seq_id seq_id_dst, llama_pos p0, llama_pos p1) override;
void seq_keep(llama_seq_id seq_id) override;
void seq_add (llama_seq_id seq_id, llama_pos p0, llama_pos p1, llama_pos shift) override;
void seq_div (llama_seq_id seq_id, llama_pos p0, llama_pos p1, int d) override;
llama_pos seq_pos_min(llama_seq_id seq_id) const override;
llama_pos seq_pos_max(llama_seq_id seq_id) const override;
// state write/load
void state_write(llama_io_write_i & io, llama_seq_id seq_id = -1) const override;
void state_read (llama_io_read_i & io, llama_seq_id seq_id = -1) override;
//
// llama_kv_cache_hybrid_recurrent specific API
//
llama_kv_cache_unified * get_kv_attn () const;
llama_kv_cache_recurrent * get_kv_recurrent() const;
private:
const llama_hparams & hparams;
const std::unique_ptr<llama_kv_cache_unified> kv_attn;
const std::unique_ptr<llama_kv_cache_recurrent> kv_recurrent;
};
class llama_kv_cache_hybrid_recurrent_state : public llama_memory_state_i {
public:
using llama_kv_cache_unified_state_ptr = std::unique_ptr<llama_kv_cache_unified_state>;
using llama_kv_cache_recurrent_state_ptr = std::unique_ptr<llama_kv_cache_recurrent_state>;
// init failure
explicit llama_kv_cache_hybrid_recurrent_state(llama_memory_status status);
// init full
explicit llama_kv_cache_hybrid_recurrent_state(llama_kv_cache_hybrid_recurrent * kv);
// init update
explicit llama_kv_cache_hybrid_recurrent_state(
llama_kv_cache_hybrid_recurrent * kv,
llama_kv_cache_unified_state * state_unified,
llama_kv_cache_recurrent_state * state_recurrent);
// init success
llama_kv_cache_hybrid_recurrent_state(
llama_kv_cache_hybrid_recurrent * kv,
llama_sbatch sbatch,
std::vector<uint32_t> heads_attn,
std::vector<llama_ubatch> ubatches);
~llama_kv_cache_hybrid_recurrent_state() = default;
bool next() override;
bool apply() override;
std::vector<int64_t> & out_ids() override;
llama_memory_status get_status() const override;
const llama_ubatch & get_ubatch() const override;
//
// llama_kv_cache_hybrid_recurrent_state
//
const llama_kv_cache_unified_state * get_state_attn () const;
const llama_kv_cache_recurrent_state * get_state_recurrent() const;
private:
const llama_memory_status status;
llama_kv_cache_hybrid_recurrent * kv;
llama_sbatch sbatch;
// the index of the next ubatch to process
size_t i_next = 0;
std::vector<uint32_t> heads_attn;
std::vector<llama_ubatch> ubatches;
const llama_kv_cache_unified_state_ptr state_attn;
const llama_kv_cache_recurrent_state_ptr state_recurrent;
};