Lumpiasty/llama.cpp
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model: move load_hparams and load_tensors to per-model definition (#22004)

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* git-friendly migration

* add build_graph

* nits

* exclude old code from build

* wip

* add llm_arch_model_i

* prepare downstream functions

* nits

* nits

* wip

* wip

* add back create_tensor_qkv

* fix files missing include

* enforce one llm_build per arch

* cmake: use glob

* missing model params

* nits

* wip

* wip (2)

* wip (3)

* test-llama-archs is happy

* improve switch case

* move more stuff into llm_arch_model_i

* fix downstream code

* nits

* nits (2)

* fix order

* llama_model_base

* LLAMA_LOAD_LOCALS

* small fix

* fix build errors

* auto

* rm migration script and ifdef
This commit is contained in:
Xuan-Son Nguyen
2026-05-04 12:36:59 +02:00
committed by GitHub
parent c84e6d6db5
commit 994118a183
129 changed files with 10667 additions and 8117 deletions
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src/models/plamo3.cpp
+70 -3
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@@ -1,7 +1,74 @@
#include "models.h"
void llama_model_plamo3::load_arch_hparams(llama_model_loader & ml) {
ml.get_key(LLM_KV_ATTENTION_LAYERNORM_RMS_EPS, hparams.f_norm_rms_eps);
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;
ml.get_key(LLM_KV_ROPE_FREQ_BASE_SWA, hparams.rope_freq_base_train_swa, false);
uint32_t swa_period = 8;
ml.get_key_or_arr(LLM_KV_ATTENTION_SLIDING_WINDOW_PATTERN, swa_period, false);
hparams.set_swa_pattern(swa_period);
} else {
hparams.swa_type = LLAMA_SWA_TYPE_NONE;
}
switch (hparams.n_layer) {
case 24: type = LLM_TYPE_2B; break;
default: type = LLM_TYPE_UNKNOWN;
}
}
void llama_model_plamo3::load_arch_tensors(llama_model_loader &) {
LLAMA_LOAD_LOCALS;
const int64_t head_dim_q = hparams.n_embd_head_k();
const int64_t head_dim_v = hparams.n_embd_head_v();
tok_embd = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab}, 0);
output_norm = create_tensor(tn(LLM_TENSOR_OUTPUT_NORM, "weight"), {n_embd}, 0);
output = create_tensor(tn(LLM_TENSOR_OUTPUT, "weight"), {n_embd, n_vocab}, TENSOR_NOT_REQUIRED);
if (output == NULL) {
output = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab}, TENSOR_DUPLICATED);
}
for (int i = 0; i < n_layer; ++i) {
auto & layer = layers[i];
const int64_t num_attention_heads = hparams.n_head(i);
const int64_t num_key_value_heads = hparams.n_head_kv(i);
const int64_t q_proj_dim = num_attention_heads * head_dim_q;
const int64_t k_proj_dim = num_key_value_heads * head_dim_q;
const int64_t v_proj_dim = num_key_value_heads * head_dim_v;
const int64_t n_ff_cur = hparams.n_ff(i);
layer.attn_norm = create_tensor(tn(LLM_TENSOR_ATTN_NORM, "weight", i), {n_embd}, 0);
layer.wqkv = create_tensor(tn(LLM_TENSOR_ATTN_QKV, "weight", i),
{n_embd,q_proj_dim + k_proj_dim + v_proj_dim}, 0);
layer.attn_q_norm = create_tensor(tn(LLM_TENSOR_ATTN_Q_NORM, "weight", i), {head_dim_q}, 0);
layer.attn_k_norm = create_tensor(tn(LLM_TENSOR_ATTN_K_NORM, "weight", i), {head_dim_q}, 0);
layer.wo = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "weight", i), {num_attention_heads * head_dim_v, n_embd}, 0);
layer.attn_post_norm = create_tensor(tn(LLM_TENSOR_ATTN_POST_NORM, i), {n_embd}, 0);
layer.ffn_norm = create_tensor(tn(LLM_TENSOR_FFN_NORM, "weight", i), {n_embd}, 0);
layer.ffn_post_norm = create_tensor(tn(LLM_TENSOR_FFN_POST_NORM, i), {n_embd}, 0);
layer.ffn_up = create_tensor(tn(LLM_TENSOR_FFN_UP, "weight", i), {n_embd, n_ff_cur * 2}, 0);
layer.ffn_down = create_tensor(tn(LLM_TENSOR_FFN_DOWN, "weight", i), {n_ff_cur, n_embd}, 0);
}
}
std::unique_ptr<llm_graph_context> llama_model_plamo3::build_arch_graph(const llm_graph_params & params) const {
if (hparams.swa_type != LLAMA_SWA_TYPE_NONE) {
return std::make_unique<graph<true>> (*this, params);
} else {
return std::make_unique<graph<false>>(*this, params);
}
}
template <bool iswa>
llm_build_plamo3<iswa>::llm_build_plamo3(const llama_model & model, const llm_graph_params & params) :
llama_model_plamo3::graph<iswa>::graph(const llama_model & model, const llm_graph_params & params) :
llm_graph_context(params) {
const int64_t head_dim_q = hparams.n_embd_head_k();
const int64_t head_dim_v = hparams.n_embd_head_v();
@@ -126,5 +193,5 @@ llm_build_plamo3<iswa>::llm_build_plamo3(const llama_model & model, const llm_gr
}
// Explicit template instantiations
template struct llm_build_plamo3<false>;
template struct llm_build_plamo3<true>;
template struct llama_model_plamo3::graph<false>;
template struct llama_model_plamo3::graph<true>;