llama : support InternLM2 (#5184)
* support InternLM2 inference * add add_space_prefix KV pair
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Guoteng
GitHub
parent
1cfb5372cf
commit
ce32060198
5 changed files with 387 additions and 5 deletions
205
llama.cpp
205
llama.cpp
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@ -204,6 +204,7 @@ enum llm_arch {
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LLM_ARCH_PLAMO,
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LLM_ARCH_CODESHELL,
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LLM_ARCH_ORION,
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LLM_ARCH_INTERNLM2,
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LLM_ARCH_UNKNOWN,
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};
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@ -226,6 +227,7 @@ static std::map<llm_arch, std::string> LLM_ARCH_NAMES = {
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{ LLM_ARCH_PLAMO, "plamo" },
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{ LLM_ARCH_CODESHELL, "codeshell" },
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{ LLM_ARCH_ORION, "orion" },
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{ LLM_ARCH_INTERNLM2, "internlm2" },
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};
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enum llm_kv {
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@ -278,6 +280,7 @@ enum llm_kv {
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LLM_KV_TOKENIZER_PAD_ID,
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LLM_KV_TOKENIZER_ADD_BOS,
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LLM_KV_TOKENIZER_ADD_EOS,
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LLM_KV_TOKENIZER_ADD_PREFIX,
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LLM_KV_TOKENIZER_HF_JSON,
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LLM_KV_TOKENIZER_RWKV,
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};
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@ -332,6 +335,7 @@ static std::map<llm_kv, std::string> LLM_KV_NAMES = {
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{ LLM_KV_TOKENIZER_PAD_ID, "tokenizer.ggml.padding_token_id" },
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{ LLM_KV_TOKENIZER_ADD_BOS, "tokenizer.ggml.add_bos_token" },
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{ LLM_KV_TOKENIZER_ADD_EOS, "tokenizer.ggml.add_eos_token" },
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{ LLM_KV_TOKENIZER_ADD_PREFIX, "tokenizer.ggml.add_space_prefix" },
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{ LLM_KV_TOKENIZER_HF_JSON, "tokenizer.huggingface.json" },
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{ LLM_KV_TOKENIZER_RWKV, "tokenizer.rwkv.world" },
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};
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@ -669,7 +673,23 @@ static std::map<llm_arch, std::map<llm_tensor, std::string>> LLM_TENSOR_NAMES =
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{ LLM_TENSOR_FFN_UP, "blk.%d.ffn_up" },
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},
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},
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{
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LLM_ARCH_INTERNLM2,
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{
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{ LLM_TENSOR_TOKEN_EMBD, "token_embd" },
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{ LLM_TENSOR_OUTPUT_NORM, "output_norm" },
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{ LLM_TENSOR_OUTPUT, "output" },
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{ LLM_TENSOR_ATTN_NORM, "blk.%d.attn_norm" },
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{ LLM_TENSOR_ATTN_Q, "blk.%d.attn_q" },
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{ LLM_TENSOR_ATTN_K, "blk.%d.attn_k" },
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{ LLM_TENSOR_ATTN_V, "blk.%d.attn_v" },
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{ LLM_TENSOR_ATTN_OUT, "blk.%d.attn_output" },
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{ LLM_TENSOR_FFN_NORM, "blk.%d.ffn_norm" },
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{ LLM_TENSOR_FFN_GATE, "blk.%d.ffn_gate" },
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{ LLM_TENSOR_FFN_DOWN, "blk.%d.ffn_down" },
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{ LLM_TENSOR_FFN_UP, "blk.%d.ffn_up" },
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},
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},
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{
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LLM_ARCH_UNKNOWN,
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{
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@ -1377,6 +1397,7 @@ enum e_model {
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MODEL_13B,
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MODEL_14B,
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MODEL_15B,
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MODEL_20B,
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MODEL_30B,
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MODEL_34B,
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MODEL_40B,
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@ -1618,6 +1639,8 @@ struct llama_vocab {
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id special_suffix_id = 32008;
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id special_eot_id = 32010;
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bool add_space_prefix = true;
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int find_bpe_rank(const std::string & token_left, const std::string & token_right) const {
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GGML_ASSERT(token_left.find(' ') == std::string::npos);
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GGML_ASSERT(token_left.find('\n') == std::string::npos);
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@ -2731,6 +2754,7 @@ static const char * llama_model_type_name(e_model type) {
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case MODEL_13B: return "13B";
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case MODEL_14B: return "14B";
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case MODEL_15B: return "15B";
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case MODEL_20B: return "20B";
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case MODEL_30B: return "30B";
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case MODEL_34B: return "34B";
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case MODEL_40B: return "40B";
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@ -2743,6 +2767,14 @@ static const char * llama_model_type_name(e_model type) {
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default: return "?B";
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}
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}
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static const char * llama_model_vocab_type_name(enum llama_vocab_type type){
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switch (type) {
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case LLAMA_VOCAB_TYPE_SPM: return "SPM";
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case LLAMA_VOCAB_TYPE_BPE: return "BPE";
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default: return "unknown";
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}
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}
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static void llm_load_arch(llama_model_loader & ml, llama_model & model) {
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model.arch = ml.get_arch();
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@ -3006,6 +3038,15 @@ static void llm_load_hparams(
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default: model.type = e_model::MODEL_UNKNOWN;
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}
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} break;
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case LLM_ARCH_INTERNLM2:
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{
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ml.get_key(LLM_KV_ATTENTION_LAYERNORM_RMS_EPS, hparams.f_norm_rms_eps);
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switch (hparams.n_layer) {
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case 32: model.type = e_model::MODEL_7B; break;
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case 48: model.type = e_model::MODEL_20B; break;
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default: model.type = e_model::MODEL_UNKNOWN;
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}
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} break;
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default: (void)0;
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}
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@ -3057,6 +3098,11 @@ static void llm_load_vocab(
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vocab.special_unk_id = 0;
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vocab.special_sep_id = -1;
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vocab.special_pad_id = -1;
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const int add_space_prefix_keyidx = gguf_find_key(ctx, kv(LLM_KV_TOKENIZER_ADD_PREFIX).c_str());
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if (add_space_prefix_keyidx != -1) {
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vocab.add_space_prefix = gguf_get_val_bool(ctx, add_space_prefix_keyidx);
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} // The default value of add_space_prefix is true.
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} else if (tokenizer_name == "gpt2") {
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vocab.type = LLAMA_VOCAB_TYPE_BPE;
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@ -3269,7 +3315,7 @@ static void llm_load_print_meta(llama_model_loader & ml, llama_model & model) {
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// hparams
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LLAMA_LOG_INFO("%s: format = %s\n", __func__, llama_file_version_name(ml.fver));
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LLAMA_LOG_INFO("%s: arch = %s\n", __func__, LLM_ARCH_NAMES.at(model.arch).c_str());
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LLAMA_LOG_INFO("%s: vocab type = %s\n", __func__, vocab.type == LLAMA_VOCAB_TYPE_SPM ? "SPM" : "BPE"); // TODO: fix
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LLAMA_LOG_INFO("%s: vocab type = %s\n", __func__, llama_model_vocab_type_name(vocab.type));
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LLAMA_LOG_INFO("%s: n_vocab = %u\n", __func__, hparams.n_vocab);
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LLAMA_LOG_INFO("%s: n_merges = %u\n", __func__, (int) vocab.bpe_ranks.size());
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LLAMA_LOG_INFO("%s: n_ctx_train = %u\n", __func__, hparams.n_ctx_train);
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@ -4018,8 +4064,35 @@ static bool llm_load_tensors(
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layer.ffn_up = ml.create_tensor(ctx_split, tn(LLM_TENSOR_FFN_UP, "weight", i), {n_embd, n_ff});
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}
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} break;
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case LLM_ARCH_INTERNLM2:
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{
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model.tok_embd = ml.create_tensor(ctx_input, tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab});
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// output
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{
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model.output_norm = ml.create_tensor(ctx_output, tn(LLM_TENSOR_OUTPUT_NORM, "weight"), {n_embd});
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model.output = ml.create_tensor(ctx_output_split, tn(LLM_TENSOR_OUTPUT, "weight"), {n_embd, n_vocab});
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}
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for (int i = 0; i < n_layer; ++i) {
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ggml_context * ctx_layer = ctx_for_layer(i);
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ggml_context * ctx_split = ctx_for_layer_split(i);
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auto & layer = model.layers[i];
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layer.attn_norm = ml.create_tensor(ctx_layer, tn(LLM_TENSOR_ATTN_NORM, "weight", i), {n_embd});
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// layer.wqkv = ml.create_tensor(ctx_split, tn(LLM_TENSOR_ATTN_QKV, "weight", i), {n_embd, n_embd + 2*n_embd_gqa});
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layer.wq = ml.create_tensor(ctx_split, tn(LLM_TENSOR_ATTN_Q, "weight", i), {n_embd, n_embd});
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layer.wk = ml.create_tensor(ctx_split, tn(LLM_TENSOR_ATTN_K, "weight", i), {n_embd, n_embd_gqa});
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layer.wv = ml.create_tensor(ctx_split, tn(LLM_TENSOR_ATTN_V, "weight", i), {n_embd, n_embd_gqa});
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layer.wo = ml.create_tensor(ctx_split, tn(LLM_TENSOR_ATTN_OUT, "weight", i), {n_embd, n_embd});
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layer.ffn_norm = ml.create_tensor(ctx_layer, tn(LLM_TENSOR_FFN_NORM, "weight", i), {n_embd});
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layer.ffn_gate = ml.create_tensor(ctx_split, tn(LLM_TENSOR_FFN_GATE, "weight", i), {n_embd, n_ff});
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layer.ffn_down = ml.create_tensor(ctx_split, tn(LLM_TENSOR_FFN_DOWN, "weight", i), { n_ff, n_embd});
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layer.ffn_up = ml.create_tensor(ctx_split, tn(LLM_TENSOR_FFN_UP, "weight", i), {n_embd, n_ff});
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}
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} break;
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default:
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throw std::runtime_error("unknown architecture");
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}
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@ -6588,6 +6661,126 @@ struct llm_build_context {
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return gf;
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}
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struct ggml_cgraph * build_internlm2() {
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struct ggml_cgraph * gf = ggml_new_graph_custom(ctx0, LLAMA_MAX_NODES, false);
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const int64_t n_embd_head = hparams.n_embd_head_v;
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GGML_ASSERT(n_embd_head == hparams.n_embd_head_k);
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GGML_ASSERT(n_embd_head == hparams.n_rot);
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struct ggml_tensor * cur;
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struct ggml_tensor * inpL;
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inpL = llm_build_inp_embd(ctx0, hparams, batch, model.tok_embd, lctx.inp_tokens, lctx.inp_embd, cb);
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cb(inpL, "inp_embd", -1);
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// inp_pos - contains the positions
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struct ggml_tensor * inp_pos = ggml_view_1d(ctx0, lctx.inp_pos, n_tokens, 0);
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cb(inp_pos, "inp_pos", -1);
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// KQ_mask (mask for 1 head, it will be broadcasted to all heads)
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struct ggml_tensor * KQ_mask = ggml_view_2d(ctx0, lctx.inp_KQ_mask, n_kv, n_tokens, n_kv*ggml_type_size(lctx.inp_KQ_mask->type), 0);
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cb(KQ_mask, "KQ_mask", -1);
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// shift the entire K-cache if needed
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if (do_rope_shift) {
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llm_build_k_shift(ctx0, hparams, cparams, kv_self, gf, lctx.inp_K_shift, LLM_ROPE, n_ctx, freq_base, freq_scale, cb);
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}
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for (int il = 0; il < n_layer; ++il) {
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struct ggml_tensor * inpSA = inpL;
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// norm
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cur = llm_build_norm(ctx0, inpL, hparams,
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model.layers[il].attn_norm, NULL,
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LLM_NORM_RMS, cb, il);
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cb(cur, "attn_norm", il);
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// self-attention
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{
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// compute Q and K and RoPE them
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struct ggml_tensor * Qcur = ggml_mul_mat(ctx0, model.layers[il].wq, cur);
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cb(Qcur, "Qcur", il);
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if (model.layers[il].bq) {
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Qcur = ggml_add(ctx0, Qcur, model.layers[il].bq);
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cb(Qcur, "Qcur", il);
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}
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struct ggml_tensor * Kcur = ggml_mul_mat(ctx0, model.layers[il].wk, cur);
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cb(Kcur, "Kcur", il);
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if (model.layers[il].bk) {
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Kcur = ggml_add(ctx0, Kcur, model.layers[il].bk);
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cb(Kcur, "Kcur", il);
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}
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struct ggml_tensor * Vcur = ggml_mul_mat(ctx0, model.layers[il].wv, cur);
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cb(Vcur, "Vcur", il);
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if (model.layers[il].bv) {
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Vcur = ggml_add(ctx0, Vcur, model.layers[il].bv);
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cb(Vcur, "Vcur", il);
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}
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Qcur = ggml_rope_custom(
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ctx0, ggml_reshape_3d(ctx0, Qcur, n_embd_head, n_head, n_tokens), inp_pos,
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hparams.n_rot, 0, 0, n_orig_ctx, freq_base, freq_scale,
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ext_factor, attn_factor, beta_fast, beta_slow
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);
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cb(Qcur, "Qcur", il);
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Kcur = ggml_rope_custom(
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ctx0, ggml_reshape_3d(ctx0, Kcur, n_embd_head, n_head_kv, n_tokens), inp_pos,
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hparams.n_rot, 0, 0, n_orig_ctx, freq_base, freq_scale,
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ext_factor, attn_factor, beta_fast, beta_slow
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);
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cb(Kcur, "Kcur", il);
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cur = llm_build_kv(ctx0, model, hparams, kv_self, gf,
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model.layers[il].wo, model.layers[il].bo,
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Kcur, Vcur, Qcur, KQ_mask, n_ctx, n_tokens, kv_head, n_kv, -1.0f, 1.0f/sqrtf(float(n_embd_head)), cb, il);
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cb(cur, "kqv_out", il);
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}
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struct ggml_tensor * ffn_inp = ggml_add(ctx0, cur, inpSA);
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cb(ffn_inp, "ffn_inp", il);
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// feed-forward network
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cur = llm_build_norm(ctx0, ffn_inp, hparams,
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model.layers[il].ffn_norm, NULL,
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LLM_NORM_RMS, cb, il);
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cb(cur, "ffn_norm", il);
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cur = llm_build_ffn(ctx0, cur,
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model.layers[il].ffn_up, NULL,
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model.layers[il].ffn_gate, NULL,
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model.layers[il].ffn_down, NULL,
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NULL,
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LLM_FFN_SILU, LLM_FFN_PAR, cb, il);
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cb(cur, "ffn_out", il);
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cur = ggml_add(ctx0, cur, ffn_inp);
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cb(cur, "l_out", il);
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// input for next layer
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inpL = cur;
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}
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cur = inpL;
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cur = llm_build_norm(ctx0, cur, hparams,
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model.output_norm, NULL,
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LLM_NORM_RMS, cb, -1);
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cb(cur, "result_norm", -1);
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// lm_head
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cur = ggml_mul_mat(ctx0, model.output, cur);
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cb(cur, "result_output", -1);
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ggml_build_forward_expand(gf, cur);
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return gf;
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}
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};
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static struct ggml_cgraph * llama_build_graph(
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@ -6746,6 +6939,10 @@ static struct ggml_cgraph * llama_build_graph(
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{
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result = llm.build_orion();
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} break;
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case LLM_ARCH_INTERNLM2:
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{
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result = llm.build_internlm2();
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} break;
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default:
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GGML_ASSERT(false);
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}
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@ -7688,7 +7885,9 @@ static std::vector<llama_vocab::id> llama_tokenize_internal(const llama_vocab &
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//
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auto raw_text = fragment.raw_text.substr(fragment.offset, fragment.length);
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if (&fragment == &fragment_buffer.front()) {
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raw_text = " " + raw_text; // prefix with space if the first token is not special
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if (vocab.add_space_prefix) {
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raw_text = " " + raw_text; // prefix with space if the first token is not special
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}
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}
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#ifdef PRETOKENIZERDEBUG
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