Felipe97/llama-cpp-compiled
01.1k
1#include "models.h"2 3void llama_model_starcoder::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 24: type = LLM_TYPE_1B; break;8 case 36: type = LLM_TYPE_3B; break;9 case 42: type = LLM_TYPE_7B; break;10 case 40: type = LLM_TYPE_15B; break;11 default: type = LLM_TYPE_UNKNOWN;12 }13}14 15void llama_model_starcoder::load_arch_tensors(llama_model_loader &) {16 LLAMA_LOAD_LOCALS;17 18 tok_embd = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab}, 0);19 pos_embd = create_tensor(tn(LLM_TENSOR_POS_EMBD, "weight"), {n_embd, n_ctx_train}, 0);20 21 // output22 {23 output_norm = create_tensor(tn(LLM_TENSOR_OUTPUT_NORM, "weight"), {n_embd}, 0);24 output_norm_b = create_tensor(tn(LLM_TENSOR_OUTPUT_NORM, "bias"), {n_embd}, 0);25 output = create_tensor(tn(LLM_TENSOR_OUTPUT, "weight"), {n_embd, n_vocab}, TENSOR_NOT_REQUIRED);26 if (!output) {27 // needs to be on GPU28 output = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab}, TENSOR_DUPLICATED);29 }30 31 }32 33 for (int i = 0; i < n_layer; ++i) {34 auto & layer = layers[i];35 36 layer.attn_norm = create_tensor(tn(LLM_TENSOR_ATTN_NORM, "weight", i), {n_embd}, 0);37 layer.attn_norm_b = create_tensor(tn(LLM_TENSOR_ATTN_NORM, "bias", i), {n_embd}, 0);38 39 layer.wqkv = create_tensor(tn(LLM_TENSOR_ATTN_QKV, "weight", i), {n_embd, n_embd + 2*n_embd_gqa}, 0);40 layer.wqkv_b = create_tensor(tn(LLM_TENSOR_ATTN_QKV, "bias", i), {n_embd + 2*n_embd_gqa}, 0);41 42 layer.wo = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "weight", i), {n_embd, n_embd}, 0);43 layer.wo_b = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "bias", i), {n_embd}, 0);44 45 layer.ffn_norm = create_tensor(tn(LLM_TENSOR_FFN_NORM, "weight", i), {n_embd}, 0);46 layer.ffn_norm_b = create_tensor(tn(LLM_TENSOR_FFN_NORM, "bias", i), {n_embd}, 0);47 48 layer.ffn_down = create_tensor(tn(LLM_TENSOR_FFN_DOWN, "weight", i), {n_ff, n_embd}, 0);49 layer.ffn_down_b = create_tensor(tn(LLM_TENSOR_FFN_DOWN, "bias", i), {n_embd}, 0);50 51 layer.ffn_up = create_tensor(tn(LLM_TENSOR_FFN_UP, "weight", i), {n_embd, n_ff}, 0);52 layer.ffn_up_b = create_tensor(tn(LLM_TENSOR_FFN_UP, "bias", i), {n_ff}, 0);53 }54}55 56std::unique_ptr<llm_graph_context> llama_model_starcoder::build_arch_graph(const llm_graph_params & params) const {57 return std::make_unique<graph>(*this, params);58}59 60llama_model_starcoder::graph::graph(const llama_model & model, const llm_graph_params & params) : llm_graph_context(params) {61 const int64_t n_embd_head = hparams.n_embd_head_v();62 63 GGML_ASSERT(n_embd_head == hparams.n_embd_head_k());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 * pos = ggml_get_rows(ctx0, model.pos_embd, inp_pos);76 cb(pos, "pos_embd", -1);77 78 inpL = ggml_add(ctx0, inpL, pos);79 cb(inpL, "inpL", -1);80 81 ggml_tensor * inp_out_ids = build_inp_out_ids();82 83 for (int il = 0; il < n_layer; ++il) {84 cur = build_norm(inpL,85 model.layers[il].attn_norm,86 model.layers[il].attn_norm_b,87 LLM_NORM, il);88 cb(cur, "attn_norm", il);89 90 // self-attention91 {92 auto [Qcur, Kcur, Vcur] = build_qkv(model.layers[il], cur,93 n_embd_head, n_head, n_head_kv, il);94 95 cur = build_attn(inp_attn,96 model.layers[il].wo, model.layers[il].wo_b, model.layers[il].wo_s,97 Qcur, Kcur, Vcur, nullptr, nullptr, nullptr, 1.0f/sqrtf(float(n_embd_head)), il);98 }99 if (il == n_layer - 1 && inp_out_ids) {100 cur = ggml_get_rows(ctx0, cur, inp_out_ids);101 inpL = ggml_get_rows(ctx0, inpL, inp_out_ids);102 }103 // add the input104 ggml_tensor * ffn_inp = ggml_add(ctx0, cur, inpL);105 cb(ffn_inp, "ffn_inp", il);106 107 // FF108 {109 cur = build_norm(ffn_inp,110 model.layers[il].ffn_norm,111 model.layers[il].ffn_norm_b,112 LLM_NORM, il);113 cb(cur, "ffn_norm", il);114 115 cur = build_ffn(cur,116 model.layers[il].ffn_up, model.layers[il].ffn_up_b, NULL,117 NULL, NULL, NULL,118 model.layers[il].ffn_down, model.layers[il].ffn_down_b, NULL,119 NULL,120 LLM_FFN_GELU, LLM_FFN_SEQ, il);121 cb(cur, "ffn_out", il);122 }123 cur = ggml_add(ctx0, cur, ffn_inp);124 125 cur = build_cvec(cur, il);126 cb(cur, "l_out", il);127 128 // input for next layer129 inpL = cur;130 }131 cur = build_norm(inpL,132 model.output_norm,133 model.output_norm_b,134 LLM_NORM, -1);135 136 cb(cur, "result_norm", -1);137 res->t_embd = cur;138 139 cur = build_lora_mm(model.output, cur, model.output_s);140 141 cb(cur, "result_output", -1);142 res->t_logits = cur;143 144 ggml_build_forward_expand(gf, cur);145}146 