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model : support Rnj-1 (#17811)

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* add support for rnj1

* refactor gemma3 to support rnj-1

* address review comments
This commit is contained in:
philip-essential
2025-12-08 19:49:03 -08:00
committed by GitHub
parent c8554b66e0
commit 1d2a1ab73d
5 changed files with 76 additions and 24 deletions
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src/llama-model.cpp
+17 -6
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@@ -1264,18 +1264,25 @@ void llama_model::load_hparams(llama_model_loader & ml) {
} break;
case LLM_ARCH_GEMMA3:
{
hparams.swa_type = LLAMA_SWA_TYPE_STANDARD;
hparams.set_swa_pattern(6);
const bool found_swa = ml.get_key(LLM_KV_ATTENTION_SLIDING_WINDOW, hparams.n_swa, false);
if (found_swa && hparams.n_swa > 0) {
hparams.swa_type = LLAMA_SWA_TYPE_STANDARD;
hparams.set_swa_pattern(6);
hparams.rope_freq_base_train_swa = 10000.0f;
hparams.rope_freq_scale_train_swa = 1.0f;
hparams.rope_freq_base_train_swa = 10000.0f;
hparams.rope_freq_scale_train_swa = 1.0f;
} else {
hparams.swa_type = LLAMA_SWA_TYPE_NONE;
}
ml.get_key(LLM_KV_ATTENTION_SLIDING_WINDOW, hparams.n_swa);
hparams.f_final_logit_softcapping = 0.0f;
ml.get_key(LLM_KV_FINAL_LOGIT_SOFTCAPPING, hparams.f_final_logit_softcapping, false);
ml.get_key(LLM_KV_ATTENTION_LAYERNORM_RMS_EPS, hparams.f_norm_rms_eps);
switch (hparams.n_layer) {
case 18: type = LLM_TYPE_270M; break;
case 26: type = LLM_TYPE_1B; break;
case 32: type = LLM_TYPE_8B; break; // Rnj-1
case 34: type = LLM_TYPE_4B; break;
case 48: type = LLM_TYPE_12B; break;
case 62: type = LLM_TYPE_27B; break;
@@ -7304,7 +7311,11 @@ ggml_cgraph * llama_model::build_graph(const llm_graph_params & params) const {
} break;
case LLM_ARCH_GEMMA3:
{
llm = std::make_unique<llm_build_gemma3_iswa>(*this, params);
if (hparams.swa_type == LLAMA_SWA_TYPE_STANDARD) {
llm = std::make_unique<llm_build_gemma3<true>>(*this, params);
} else {
llm = std::make_unique<llm_build_gemma3<false>>(*this, params);
}
} break;
case LLM_ARCH_GEMMA3N:
{