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llama : parameter conversion and loading fixes for PLaMo2 variants (#16075)

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* Fix to use hidden_size_per_head

* Fix num heads

* Fix array

* Fix loading weights

* Support old GGUF converted by the previous version of llama.cpp

* Update src/llama-model.cpp

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

* Move shared parameter definitions to the outside of loop

* Not calculating n_embd_head_k,v by n_embd / n_head

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Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
This commit is contained in:
Shunta Saito
2025-10-02 06:08:15 +09:00
committed by GitHub
parent 1fe4e38cc2
commit ded67b9444
3 changed files with 27 additions and 15 deletions
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src/llama-hparams.h
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@@ -42,7 +42,7 @@ struct llama_hparams {
uint32_t n_embd;
uint32_t n_embd_features = 0;
uint32_t n_layer;
int32_t n_layer_kv_from_start = -1; // if non-negative, the first n_layer_kv_from_start layers have KV cache
int32_t n_layer_kv_from_start = -1; // if non-negative, the first n_layer_kv_from_start layers have KV cache
uint32_t n_rot;
uint32_t n_embd_head_k; // dimension of keys (d_k). d_q is assumed to be the same, but there are n_head q heads, and only n_head_kv k-v heads
uint32_t n_embd_head_v; // dimension of values (d_v) aka n_embd_head