/src/llama.cpp/src/models/jina-bert-v2.cpp
Line | Count | Source |
1 | | #include "models.h" |
2 | | |
3 | 0 | void llama_model_jina_bert_v2::load_arch_hparams(llama_model_loader & ml) { |
4 | 0 | ml.get_key(LLM_KV_ATTENTION_LAYERNORM_EPS, hparams.f_norm_eps); |
5 | 0 | hparams.f_max_alibi_bias = 8.0f; |
6 | |
|
7 | 0 | switch (hparams.n_layer()) { |
8 | 0 | case 4: type = LLM_TYPE_33M; break; // jina-embeddings-small |
9 | 0 | case 12: type = LLM_TYPE_137M; break; // jina-embeddings-base |
10 | 0 | default: type = LLM_TYPE_UNKNOWN; |
11 | 0 | } |
12 | 0 | } |
13 | | |
14 | 0 | void llama_model_jina_bert_v2::load_arch_tensors(llama_model_loader & ml) { |
15 | 0 | LLAMA_LOAD_LOCALS; |
16 | |
|
17 | 0 | tok_embd = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab}, 0); // word_embeddings |
18 | 0 | type_embd = create_tensor(tn(LLM_TENSOR_TOKEN_TYPES, "weight"), {n_embd, n_token_types}, 0); // token_type_embeddings |
19 | |
|
20 | 0 | tok_norm = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD_NORM, "weight", 0), {n_embd}, 0); // LayerNorm |
21 | 0 | tok_norm_b = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD_NORM, "bias", 0), {n_embd}, 0); // LayerNorm bias |
22 | |
|
23 | 0 | cls = create_tensor(tn(LLM_TENSOR_CLS, "weight"), {n_embd, 1}, TENSOR_NOT_REQUIRED); |
24 | 0 | cls_b = create_tensor(tn(LLM_TENSOR_CLS, "bias"), {1}, TENSOR_NOT_REQUIRED); |
25 | 0 | for (int i = 0; i < n_layer; ++i) { |
26 | 0 | auto & layer = layers[i]; // JinaBertLayer |
27 | |
|
28 | 0 | create_tensor_qkv(layer, i, n_embd, n_embd, n_embd_gqa, n_embd_gqa, 0); |
29 | |
|
30 | 0 | layer.attn_q_norm = create_tensor(tn(LLM_TENSOR_ATTN_Q_NORM, "weight", i), {n_embd}, TENSOR_NOT_REQUIRED); |
31 | 0 | layer.attn_q_norm_b = create_tensor(tn(LLM_TENSOR_ATTN_Q_NORM, "bias", i), {n_embd}, TENSOR_NOT_REQUIRED); |
32 | |
|
33 | 0 | layer.attn_k_norm = create_tensor(tn(LLM_TENSOR_ATTN_K_NORM, "weight", i), {n_embd}, TENSOR_NOT_REQUIRED); |
34 | 0 | layer.attn_k_norm_b = create_tensor(tn(LLM_TENSOR_ATTN_K_NORM, "bias", i), {n_embd}, TENSOR_NOT_REQUIRED); |
35 | |
|
36 | 0 | layer.wo = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "weight", i), {n_embd, n_embd}, 0); //output_dens |
37 | 0 | layer.wo_b = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "bias", i), {n_embd}, 0); //output_dens |
38 | |
|
39 | 0 | layer.attn_out_norm = create_tensor(tn(LLM_TENSOR_ATTN_OUT_NORM, "weight", i), {n_embd}, 0); //output_norm |
40 | 0 | layer.attn_out_norm_b = create_tensor(tn(LLM_TENSOR_ATTN_OUT_NORM, "bias", i), {n_embd}, 0); |
41 | |
|
42 | 0 | layer.attn_norm_2 = create_tensor(tn(LLM_TENSOR_ATTN_NORM_2, "weight", i), {n_embd}, TENSOR_NOT_REQUIRED); |
43 | 0 | layer.attn_norm_2_b = create_tensor(tn(LLM_TENSOR_ATTN_NORM_2, "bias", i), {n_embd}, TENSOR_NOT_REQUIRED); |
44 | |
|
45 | 0 | layer.ffn_gate = create_tensor(tn(LLM_TENSOR_FFN_GATE, "weight", i), {n_embd, n_ff}, TENSOR_NOT_REQUIRED); |
46 | |
|
47 | 0 | const auto tn_ffn_up_weight = tn(LLM_TENSOR_FFN_UP, "weight", i); |
48 | 0 | ggml_tensor * t_ffn_up = ml.get_tensor_meta(tn_ffn_up_weight.str().c_str()); |
49 | 0 | const int64_t n_ffn_up = t_ffn_up ? t_ffn_up->ne[1] : n_ff; |
50 | |
|
51 | 0 | GGML_ASSERT(n_ffn_up == n_ff || n_ffn_up == n_ff * 2); |
52 | 0 | layer.ffn_up = create_tensor(tn_ffn_up_weight, {n_embd, n_ffn_up}, 0); |
53 | 0 | layer.ffn_up_b = create_tensor(tn(LLM_TENSOR_FFN_UP, "bias", i), {n_ffn_up}, TENSOR_NOT_REQUIRED); |
54 | |
|
55 | 0 | layer.ffn_down = create_tensor(tn(LLM_TENSOR_FFN_DOWN, "weight", i), {n_ff, n_embd}, 0); |
56 | 0 | layer.ffn_down_b = create_tensor(tn(LLM_TENSOR_FFN_DOWN, "bias", i), {n_embd}, 0); |
57 | |
|
58 | 0 | layer.layer_out_norm = create_tensor(tn(LLM_TENSOR_LAYER_OUT_NORM, "weight", i), {n_embd}, 0); |
59 | 0 | layer.layer_out_norm_b = create_tensor(tn(LLM_TENSOR_LAYER_OUT_NORM, "bias", i), {n_embd}, 0); |
60 | 0 | } |
61 | 0 | } |
62 | | |
63 | 0 | std::unique_ptr<llm_graph_context> llama_model_jina_bert_v2::build_arch_graph(const llm_graph_params & params) const { |
64 | 0 | return std::make_unique<graph>(*this, params); |
65 | 0 | } |
66 | | |