echodict/llama.cpp

1#include "models.h"2 3llm_build_rwkv6::llm_build_rwkv6(const llama_model & model, const llm_graph_params & params) :4    llm_build_rwkv6_base(model, params) {5    GGML_ASSERT(hparams.token_shift_count == 2);6 7    ggml_tensor * cur;8    ggml_tensor * inpL;9 10    inpL = build_inp_embd(model.tok_embd);11    inpL = build_norm(inpL, model.tok_norm, model.tok_norm_b, LLM_NORM, 0);12 13    auto * rs_inp = build_rs_inp();14 15    const auto n_embd       = hparams.n_embd;16    const auto n_seq_tokens = ubatch.n_seq_tokens;17    const auto n_seqs       = ubatch.n_seqs;18 19    ggml_tensor * inp_out_ids = build_inp_out_ids();20 21    for (int il = 0; il < n_layer; ++il) {22        const llama_layer * layer = &model.layers[il];23        inpL                      = ggml_reshape_3d(ctx0, inpL, n_embd, n_seq_tokens, n_seqs);24 25        ggml_tensor * token_shift = build_rwkv_token_shift_load(rs_inp, ubatch, il);26 27        ggml_tensor * att_shift =28            ggml_view_3d(ctx0, token_shift, n_embd, 1, n_seqs, token_shift->nb[1], token_shift->nb[2], 0);29        ggml_tensor * ffn_shift = ggml_view_3d(ctx0, token_shift, n_embd, 1, n_seqs, token_shift->nb[1],30                                               token_shift->nb[2], n_embd * ggml_element_size(token_shift));31 32        ggml_tensor * att_norm = build_norm(inpL, layer->attn_norm, layer->attn_norm_b, LLM_NORM, il);33        cb(att_norm, "attn_norm", il);34 35        ggml_tensor * x_prev = ggml_concat(36            ctx0, att_shift,37            ggml_view_3d(ctx0, att_norm, n_embd, n_seq_tokens - 1, n_seqs, att_norm->nb[1], att_norm->nb[2], 0), 1);38 39        cur = build_rwkv6_time_mix(rs_inp, att_norm, x_prev, ubatch, il);40 41        ggml_tensor * ffn_inp = ggml_add(ctx0, cur, inpL);42        cb(ffn_inp, "ffn_inp", il);43 44        ggml_tensor * ffn_norm = build_norm(ffn_inp, layer->attn_norm_2, layer->attn_norm_2_b, LLM_NORM, il);45        cb(ffn_norm, "ffn_norm", il);46 47        x_prev = ggml_concat(48            ctx0, ffn_shift,49            ggml_view_3d(ctx0, ffn_norm, n_embd, n_seq_tokens - 1, n_seqs, ffn_norm->nb[1], ffn_norm->nb[2], 0), 1);50 51        token_shift = ggml_concat(ctx0,52                                  ggml_view_3d(ctx0, att_norm, n_embd, 1, n_seqs, att_norm->nb[1], att_norm->nb[2],53                                               (n_seq_tokens - 1) * n_embd * ggml_element_size(att_norm)),54                                  ggml_view_3d(ctx0, ffn_norm, n_embd, 1, n_seqs, ffn_norm->nb[1], ffn_norm->nb[2],55                                               (n_seq_tokens - 1) * n_embd * ggml_element_size(ffn_norm)),56                                  1);57        ggml_build_forward_expand(gf, build_rwkv_token_shift_store(token_shift, ubatch, il));58 59        ffn_inp  = ggml_reshape_2d(ctx0, ffn_inp, n_embd, n_tokens);60        ffn_norm = ggml_reshape_2d(ctx0, ffn_norm, n_embd, n_tokens);61        x_prev   = ggml_reshape_2d(ctx0, x_prev, n_embd, n_tokens);62        cur      = ggml_reshape_2d(ctx0, cur, n_embd, n_tokens);63 64        if (il == n_layer - 1 && inp_out_ids) {65            ffn_inp  = ggml_get_rows(ctx0, ffn_inp, inp_out_ids);66            ffn_norm = ggml_get_rows(ctx0, ffn_norm, inp_out_ids);67            x_prev   = ggml_get_rows(ctx0, x_prev, inp_out_ids);68            cur      = ggml_get_rows(ctx0, cur, inp_out_ids);69        }70        cur = build_rwkv6_channel_mix(layer, ffn_norm, x_prev, LLM_ARCH_RWKV6);71        cur = ggml_add(ctx0, cur, ffn_inp);72 73        if (hparams.rescale_every_n_layers != 0 && (il + 1) % hparams.rescale_every_n_layers == 0) {74            cur = ggml_scale(ctx0, cur, 0.5F);75        }76        cur = build_cvec(cur, il);77        cb(cur, "l_out", il);78 79        // input for next layer80        inpL = cur;81    }82    cur = inpL;83    cur = build_norm(cur, model.output_norm, model.output_norm_b, LLM_NORM, -1);84 85    cb(cur, "result_norm", -1);86    res->t_embd = cur;87 88    cur = build_lora_mm(model.output, cur);89 90    cb(cur, "result_output", -1);91    res->t_logits = cur;92 93    ggml_build_forward_expand(gf, cur);94}95