kv-cache : add SWA support (#13194)

* 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

View File

@ -398,7 +398,10 @@ struct llama_model {
const struct ggml_tensor * get_tensor(const char * name) const;
ggml_tensor * get_rope_factors(uint32_t n_ctx_per_seq, int il) const;
float get_rope_freq_base (const llama_cparams & cparams, int il) const;
float get_rope_freq_scale(const llama_cparams & cparams, int il) const;
ggml_tensor * get_rope_factors(const llama_cparams & cparams, int il) const;
// note: can mutate `cparams`
// TODO: move this to new llm_arch_model_i interface