Felipe97/llama-cpp-compiled
01.1k
1#include "models.h"2 3void llama_model_starcoder2::load_arch_hparams(llama_model_loader & ml) {4 ml.get_key(LLM_KV_ATTENTION_LAYERNORM_EPS, hparams.f_norm_eps);5 6 switch (hparams.n_layer()) {7 case 30: type = LLM_TYPE_3B; break;8 case 32: type = LLM_TYPE_7B; break;9 case 40: type = LLM_TYPE_15B; break;10 case 52: type = LLM_TYPE_20B; break; // granite11 case 88: type = LLM_TYPE_34B; break; // granite12 default: type = LLM_TYPE_UNKNOWN;13 }14}15 16void llama_model_starcoder2::load_arch_tensors(llama_model_loader &) {17 LLAMA_LOAD_LOCALS;18 19 tok_embd = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab}, 0);20 21 // output22 output_norm = create_tensor(tn(LLM_TENSOR_OUTPUT_NORM, "weight"), {n_embd}, 0);23 output_norm_b = create_tensor(tn(LLM_TENSOR_OUTPUT_NORM, "bias"), {n_embd}, 0);24 25 output = create_tensor(tn(LLM_TENSOR_OUTPUT, "weight"), {n_embd, n_vocab}, TENSOR_NOT_REQUIRED);26 // if output is NULL, init from the input tok embed27 if (output == NULL) {28 output = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab}, TENSOR_DUPLICATED);29 }30 31 for (int i = 0; i < n_layer; ++i) {32 auto & layer = layers[i];33 34 layer.attn_norm = create_tensor(tn(LLM_TENSOR_ATTN_NORM, "weight", i), {n_embd}, 0);35 layer.attn_norm_b = create_tensor(tn(LLM_TENSOR_ATTN_NORM, "bias", i), {n_embd}, 0);36 37 create_tensor_qkv(layer, i, n_embd, n_embd, n_embd_gqa, n_embd_gqa, 0);38 layer.wo = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "weight", i), {n_embd, n_embd}, 0);39 40 // optional bias tensors41 layer.wo_b = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "bias", i), {n_embd}, 0);42 43 layer.ffn_norm = create_tensor(tn(LLM_TENSOR_FFN_NORM, "weight", i), {n_embd}, 0);44 layer.ffn_norm_b = create_tensor(tn(LLM_TENSOR_FFN_NORM, "bias", i), {n_embd}, 0);45 46 layer.ffn_down = create_tensor(tn(LLM_TENSOR_FFN_DOWN, "weight", i), { n_ff, n_embd}, 0);47 layer.ffn_up = create_tensor(tn(LLM_TENSOR_FFN_UP, "weight", i), {n_embd, n_ff}, 0);48 49 // optional bias tensors50 layer.ffn_down_b = create_tensor(tn(LLM_TENSOR_FFN_DOWN, "bias", i), {n_embd}, 0);51 layer.ffn_up_b = create_tensor(tn(LLM_TENSOR_FFN_UP , "bias", i), { n_ff}, 0);52 }53}54 55std::unique_ptr<llm_graph_context> llama_model_starcoder2::build_arch_graph(const llm_graph_params & params) const {56 return std::make_unique<graph>(*this, params);57}58 59llama_model_starcoder2::graph::graph(const llama_model & model, const llm_graph_params & params) : llm_graph_context(params) {60 const int64_t n_embd_head = hparams.n_embd_head_v();61 62 GGML_ASSERT(n_embd_head == hparams.n_embd_head_k());63 GGML_ASSERT(n_embd_head == n_rot);64 65 ggml_tensor * cur;66 ggml_tensor * inpL;67 68 inpL = build_inp_embd(model.tok_embd);69 70 // inp_pos - contains the positions71 ggml_tensor * inp_pos = build_inp_pos();72 73 auto * inp_attn = build_attn_inp_kv();74 75 ggml_tensor * inp_out_ids = build_inp_out_ids();76 77 for (int il = 0; il < n_layer; ++il) {78 ggml_tensor * inpSA = inpL;79 80 // norm81 cur = build_norm(inpL,82 model.layers[il].attn_norm, model.layers[il].attn_norm_b,83 LLM_NORM, il);84 cb(cur, "attn_norm", il);85 86 // self-attention87 {88 // compute Q and K and RoPE them89 auto [Qcur, Kcur, Vcur] = build_qkv(model.layers[il], cur,90 n_embd_head, n_head, n_head_kv, il);91 92 Qcur = ggml_rope_ext(93 ctx0, Qcur, inp_pos, nullptr,94 n_rot, rope_type, n_ctx_orig, freq_base, freq_scale,95 ext_factor, attn_factor, beta_fast, beta_slow96 );97 98 Kcur = ggml_rope_ext(99 ctx0, Kcur, inp_pos, nullptr,100 n_rot, rope_type, n_ctx_orig, freq_base, freq_scale,101 ext_factor, attn_factor, beta_fast, beta_slow102 );103 104 cb(Qcur, "Qcur", il);105 cb(Kcur, "Kcur", il);106 cb(Vcur, "Vcur", il);107 108 cur = build_attn(inp_attn,109 model.layers[il].wo, model.layers[il].wo_b, model.layers[il].wo_s,110 Qcur, Kcur, Vcur, nullptr, nullptr, nullptr, 1.0f/sqrtf(float(n_embd_head)), il);111 }112 if (il == n_layer - 1 && inp_out_ids) {113 cur = ggml_get_rows(ctx0, cur, inp_out_ids);114 inpSA = ggml_get_rows(ctx0, inpSA, inp_out_ids);115 }116 ggml_tensor * ffn_inp = ggml_add(ctx0, cur, inpSA);117 cb(ffn_inp, "ffn_inp", il);118 119 // feed-forward network120 121 cur = build_norm(ffn_inp,122 model.layers[il].ffn_norm, model.layers[il].ffn_norm_b,123 LLM_NORM, il);124 cb(cur, "ffn_norm", il);125 126 cur = build_ffn(cur,127 model.layers[il].ffn_up, model.layers[il].ffn_up_b, NULL,128 NULL, NULL, NULL,129 model.layers[il].ffn_down, model.layers[il].ffn_down_b, NULL,130 NULL,131 LLM_FFN_GELU, LLM_FFN_SEQ, il);132 cb(cur, "ffn_out", il);133 134 cur = ggml_add(ctx0, cur, ffn_inp);135 136 cur = build_cvec(cur, il);137 cb(cur, "l_out", il);138 139 // input for next layer140 inpL = cur;141 }142 cur = inpL;143 144 cur = build_norm(cur,145 model.output_norm, model.output_norm_b,146 LLM_NORM, -1);147 148 cb(cur, "result_norm", -1);149 res->t_embd = cur;150 151 // lm_head152 cur = build_lora_mm(model.output, cur, model.output_s);153 154 cb(cur, "result_output", -1);155 res->t_logits = cur;156 157 ggml_build_forward_expand(gf, cur);158}159 