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kv-cache : add SWA support (#13194)

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* kv-cache : prepare for SWA

ggml-ci

* kv-cache : initial iSWA implementation

ggml-ci

* kv-cache : rework error recovery logic

ggml-ci

* models : fix Phi-3 SWA parameters

ggml-ci

* model : adjust Granite to rope factor changes

ggml-ci

* server : check if context can do shifts

ggml-ci

* iswa : for now, always enable shifts (experiment)

ggml-ci

* kv-cache : simplify SWA logic

ggml-ci

* kv-cache : apply defrag when we fail to find slots for the batch

ggml-ci

* llama : update docs about llama_decode

ggml-ci

* kv-cache : update warning logs when no space for the batch is available

ggml-ci

* llama : add llama_kv_self_seq_pos_min()

* kv-cache : keep track of partial SWA computes and print warnings

* server : disallow use cases involving partial SWA context

ggml-ci

* llama : add param to control SWA cache size

ggml-ci

* minor : clean-up

ggml-ci
This commit is contained in:
Georgi Gerganov
2025-05-20 08:05:46 +03:00
committed by GitHub
parent f0adb80bf7
commit e298d2fbd0
15 changed files with 1426 additions and 650 deletions
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5
src/llama-memory.h
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@ -7,8 +7,8 @@ struct llama_memory_params {
ggml_type type_k;
ggml_type type_v;
// parameters for other types of memory
// ...
// use full-size SWA cache
bool swa_full;
};
// general concept of LLM memory
@ -25,6 +25,7 @@ public:
virtual void seq_add (llama_seq_id seq_id, llama_pos p0, llama_pos p1, llama_pos delta) = 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;