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Jun 28, 2025
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model : add support for ERNIE 4.5 0.3B model #14408

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46 changes: 46 additions & 0 deletions convert_hf_to_gguf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2743,6 +2743,52 @@ def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iter
yield from super().modify_tensors(data_torch, name, bid)


@ModelBase.register("Ernie4_5_ForCausalLM")
class Ernie4_5Model(TextModel):
model_arch = gguf.MODEL_ARCH.ERNIE4_5

def set_vocab(self):
self._set_vocab_sentencepiece()

def set_gguf_parameters(self):
super().set_gguf_parameters()

def modify_tensors(self, data_torch: Tensor, name: str, bid: int | None) -> Iterable[tuple[str, Tensor]]:
num_heads = self.hparams["num_attention_heads"]
num_kv_heads = self.hparams["num_key_value_heads"]
head_dim = self.hparams["head_dim"]

if "ernie." in name:
name = name.replace("ernie.", "model.")
# split the qkv weights
# qkv_proj shape: [(num_heads + 2 * num_kv_heads) * head_dim, hidden_size]
if "qkv_proj" in name:
name_q = name.replace("qkv_proj.weight", "q_proj.weight")
name_k = name.replace("qkv_proj.weight", "k_proj.weight")
name_v = name.replace("qkv_proj.weight", "v_proj.weight")
total_q_dim = num_heads * head_dim
total_k_dim = num_kv_heads * head_dim
total_v_dim = num_kv_heads * head_dim
q_proj_weight, k_proj_weight, v_proj_weight = data_torch.split([total_q_dim, total_k_dim, total_v_dim], dim=0)
return [
(self.map_tensor_name(name_q), q_proj_weight),
(self.map_tensor_name(name_k), k_proj_weight),
(self.map_tensor_name(name_v), v_proj_weight)
]
# split the up_gate_proj into gate and up
# up_gate_proj shape: [2 * intermediate_size, hidden_size]
if "up_gate_proj" in name:
name_up = name.replace("up_gate_proj.weight", "up_proj.weight")
name_gate = name.replace("up_gate_proj.weight", "gate_proj.weight")
dim_half = data_torch.shape[0] // 2
gate_proj_weight, up_proj_weight = data_torch.split(dim_half, dim=0)
return [
(self.map_tensor_name(name_gate), gate_proj_weight),
(self.map_tensor_name(name_up), up_proj_weight)
]
return [(self.map_tensor_name(name), data_torch)]


@ModelBase.register(
"Qwen2VLModel",
"Qwen2VLForConditionalGeneration",
Expand Down
16 changes: 16 additions & 0 deletions gguf-py/gguf/constants.py
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Expand Up @@ -354,6 +354,7 @@ class MODEL_ARCH(IntEnum):
BAILINGMOE = auto()
DOTS1 = auto()
ARCEE = auto()
ERNIE4_5 = auto()


class VISION_PROJECTOR_TYPE(IntEnum):
Expand Down Expand Up @@ -654,6 +655,7 @@ class MODEL_TENSOR(IntEnum):
MODEL_ARCH.BAILINGMOE: "bailingmoe",
MODEL_ARCH.DOTS1: "dots1",
MODEL_ARCH.ARCEE: "arcee",
MODEL_ARCH.ERNIE4_5: "ernie4_5",
}

VISION_PROJECTOR_TYPE_NAMES: dict[VISION_PROJECTOR_TYPE, str] = {
Expand Down Expand Up @@ -2177,6 +2179,20 @@ class MODEL_TENSOR(IntEnum):
MODEL_TENSOR.FFN_DOWN,
MODEL_TENSOR.FFN_UP,
],
MODEL_ARCH.ERNIE4_5: [
MODEL_TENSOR.TOKEN_EMBD,
MODEL_TENSOR.OUTPUT_NORM,
MODEL_TENSOR.OUTPUT,
MODEL_TENSOR.ATTN_NORM,
MODEL_TENSOR.ATTN_Q,
MODEL_TENSOR.ATTN_K,
MODEL_TENSOR.ATTN_V,
MODEL_TENSOR.ATTN_OUT,
MODEL_TENSOR.FFN_NORM,
MODEL_TENSOR.FFN_GATE,
MODEL_TENSOR.FFN_DOWN,
MODEL_TENSOR.FFN_UP,
],
# TODO
}

Expand Down
18 changes: 18 additions & 0 deletions src/llama-arch.cpp
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Expand Up @@ -76,6 +76,7 @@ static const std::map<llm_arch, const char *> LLM_ARCH_NAMES = {
{ LLM_ARCH_BAILINGMOE, "bailingmoe" },
{ LLM_ARCH_DOTS1, "dots1" },
{ LLM_ARCH_ARCEE, "arcee" },
{ LLM_ARCH_ERNIE4_5, "ernie4_5" },
{ LLM_ARCH_UNKNOWN, "(unknown)" },
};

Expand Down Expand Up @@ -1658,6 +1659,23 @@ static const std::map<llm_arch, std::map<llm_tensor, const char *>> LLM_TENSOR_N
{ LLM_TENSOR_FFN_EXP_PROBS_B, "blk.%d.exp_probs_b" },
}
},
{
LLM_ARCH_ERNIE4_5,
{
{ LLM_TENSOR_TOKEN_EMBD, "token_embd" },
{ LLM_TENSOR_OUTPUT_NORM, "output_norm" },
{ LLM_TENSOR_OUTPUT, "output" },
{ LLM_TENSOR_ATTN_NORM, "blk.%d.attn_norm" },
{ LLM_TENSOR_ATTN_Q, "blk.%d.attn_q" },
{ LLM_TENSOR_ATTN_K, "blk.%d.attn_k" },
{ LLM_TENSOR_ATTN_V, "blk.%d.attn_v" },
{ LLM_TENSOR_ATTN_OUT, "blk.%d.attn_output" },
{ LLM_TENSOR_FFN_NORM, "blk.%d.ffn_norm" },
{ LLM_TENSOR_FFN_GATE, "blk.%d.ffn_gate" },
{ LLM_TENSOR_FFN_DOWN, "blk.%d.ffn_down" },
{ LLM_TENSOR_FFN_UP, "blk.%d.ffn_up" },
},
},
{
LLM_ARCH_UNKNOWN,
{
Expand Down
1 change: 1 addition & 0 deletions src/llama-arch.h
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,7 @@ enum llm_arch {
LLM_ARCH_BAILINGMOE,
LLM_ARCH_DOTS1,
LLM_ARCH_ARCEE,
LLM_ARCH_ERNIE4_5,
LLM_ARCH_UNKNOWN,
};

Expand Down
178 changes: 178 additions & 0 deletions src/llama-model.cpp
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Expand Up @@ -47,6 +47,7 @@ const char * llm_type_name(llm_type type) {
case LLM_TYPE_475M: return "475M";
case LLM_TYPE_770M: return "770M";
case LLM_TYPE_780M: return "780M";
case LLM_TYPE_0_3B: return "0.3B";
case LLM_TYPE_0_5B: return "0.5B";
case LLM_TYPE_0_6B: return "0.6B";
case LLM_TYPE_1B: return "1B";
Expand Down Expand Up @@ -1504,6 +1505,14 @@ void llama_model::load_hparams(llama_model_loader & ml) {
default: type = LLM_TYPE_UNKNOWN;
}
} break;
case LLM_ARCH_ERNIE4_5:
{
ml.get_key(LLM_KV_ATTENTION_LAYERNORM_RMS_EPS, hparams.f_norm_rms_eps);
switch (hparams.n_layer) {
case 18: type = LLM_TYPE_0_3B; break;
default: type = LLM_TYPE_UNKNOWN;
}
} break;
default: throw std::runtime_error("unsupported model architecture");
}

Expand Down Expand Up @@ -4344,6 +4353,40 @@ bool llama_model::load_tensors(llama_model_loader & ml) {

layer.rope_freqs = create_tensor(tn(LLM_TENSOR_ROPE_FREQS, "weight", i), {n_rot/2}, TENSOR_NOT_REQUIRED | (i != 0 ? TENSOR_DUPLICATED : 0));

layer.ffn_down = create_tensor(tn(LLM_TENSOR_FFN_DOWN, "weight", i), { n_ff, n_embd}, 0);
layer.ffn_up = create_tensor(tn(LLM_TENSOR_FFN_UP, "weight", i), {n_embd, n_ff}, 0);
}
} break;
case LLM_ARCH_ERNIE4_5:
{
tok_embd = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab}, 0);

// output
output_norm = create_tensor(tn(LLM_TENSOR_OUTPUT_NORM, "weight"), {n_embd}, 0);
output = create_tensor(tn(LLM_TENSOR_OUTPUT, "weight"), {n_embd, n_vocab}, TENSOR_NOT_REQUIRED);
// if output is NULL, init from the input tok embed
if (output == NULL) {
output = create_tensor(tn(LLM_TENSOR_TOKEN_EMBD, "weight"), {n_embd, n_vocab}, TENSOR_DUPLICATED);
}

for (int i = 0; i < n_layer; ++i) {
auto & layer = layers[i];

layer.attn_norm = create_tensor(tn(LLM_TENSOR_ATTN_NORM, "weight", i), {n_embd}, 0);

layer.wq = create_tensor(tn(LLM_TENSOR_ATTN_Q, "weight", i), {n_embd, n_embd_head_k * n_head}, 0);
layer.wk = create_tensor(tn(LLM_TENSOR_ATTN_K, "weight", i), {n_embd, n_embd_gqa}, 0);
layer.wv = create_tensor(tn(LLM_TENSOR_ATTN_V, "weight", i), {n_embd, n_embd_gqa}, 0);
layer.wo = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "weight", i), {n_embd_head_k * n_head, n_embd}, 0);

// optional bias tensors
layer.bq = create_tensor(tn(LLM_TENSOR_ATTN_Q, "bias", i), {n_embd}, TENSOR_NOT_REQUIRED);
layer.bk = create_tensor(tn(LLM_TENSOR_ATTN_K, "bias", i), {n_embd_gqa}, TENSOR_NOT_REQUIRED);
layer.bv = create_tensor(tn(LLM_TENSOR_ATTN_V, "bias", i), {n_embd_gqa}, TENSOR_NOT_REQUIRED);
layer.bo = create_tensor(tn(LLM_TENSOR_ATTN_OUT, "bias", i), {n_embd}, TENSOR_NOT_REQUIRED);

layer.ffn_norm = create_tensor(tn(LLM_TENSOR_FFN_NORM, "weight", i), {n_embd}, 0);
layer.ffn_gate = create_tensor(tn(LLM_TENSOR_FFN_GATE, "weight", i), {n_embd, n_ff}, 0);
layer.ffn_down = create_tensor(tn(LLM_TENSOR_FFN_DOWN, "weight", i), { n_ff, n_embd}, 0);
layer.ffn_up = create_tensor(tn(LLM_TENSOR_FFN_UP, "weight", i), {n_embd, n_ff}, 0);
}
Expand Down Expand Up @@ -14125,6 +14168,136 @@ struct llm_build_dots1 : public llm_graph_context {
}
};

struct llm_build_ernie4_5 : public llm_graph_context {
llm_build_ernie4_5(const llama_model & model, const llm_graph_params & params, ggml_cgraph * gf) : llm_graph_context(params) {
const int64_t n_embd_head = hparams.n_embd_head_v;

GGML_ASSERT(n_embd_head == hparams.n_embd_head_k);
GGML_ASSERT(n_embd_head == hparams.n_rot);

ggml_tensor * cur;
ggml_tensor * inpL;

inpL = build_inp_embd(model.tok_embd);

// inp_pos - contains the positions
ggml_tensor * inp_pos = build_inp_pos();

auto * inp_attn = build_attn_inp_kv_unified();

for (int il = 0; il < n_layer; ++il) {
ggml_tensor * inpSA = inpL;

// norm
{
cur = build_norm(inpL,
model.layers[il].attn_norm, NULL,
LLM_NORM_RMS, il);
cb(cur, "attn_norm", il);
}

// self-attention
{
ggml_tensor * Qcur = build_lora_mm(model.layers[il].wq, cur);
cb(Qcur, "Qcur", il);
if (model.layers[il].bq) {
Qcur = ggml_add(ctx0, Qcur, model.layers[il].bq);
cb(Qcur, "Qcur", il);
}

ggml_tensor * Kcur = build_lora_mm(model.layers[il].wk, cur);
cb(Kcur, "Kcur", il);
if (model.layers[il].bk) {
Kcur = ggml_add(ctx0, Kcur, model.layers[il].bk);
cb(Kcur, "Kcur", il);
}

ggml_tensor * Vcur = build_lora_mm(model.layers[il].wv, cur);
cb(Vcur, "Vcur", il);
if (model.layers[il].bv) {
Vcur = ggml_add(ctx0, Vcur, model.layers[il].bv);
cb(Vcur, "Vcur", il);
}

Qcur = ggml_reshape_3d(ctx0, Qcur, n_embd_head, n_head, n_tokens);
Kcur = ggml_reshape_3d(ctx0, Kcur, n_embd_head, n_head_kv, n_tokens);
Vcur = ggml_reshape_3d(ctx0, Vcur, n_embd_head, n_head_kv, n_tokens);

Qcur = ggml_rope_ext(
ctx0, Qcur, inp_pos, nullptr,
n_rot, rope_type, n_ctx_orig, freq_base, freq_scale,
ext_factor, attn_factor, beta_fast, beta_slow
);

Kcur = ggml_rope_ext(
ctx0, Kcur, inp_pos, nullptr,
n_rot, rope_type, n_ctx_orig, freq_base, freq_scale,
ext_factor, attn_factor, beta_fast, beta_slow
);

cb(Qcur, "Qcur", il);
cb(Kcur, "Kcur", il);
cb(Vcur, "Vcur", il);

cur = build_attn(inp_attn, gf,
model.layers[il].wo, NULL,
Qcur, Kcur, Vcur, nullptr, nullptr, 1.0f/sqrtf(float(n_embd_head)), il);
}

if (il == n_layer - 1) {
// skip computing output for unused tokens
ggml_tensor * inp_out_ids = build_inp_out_ids();
cur = ggml_get_rows(ctx0, cur, inp_out_ids);
inpSA = ggml_get_rows(ctx0, inpSA, inp_out_ids);
}

ggml_tensor * ffn_inp = ggml_add(ctx0, cur, inpSA);
cb(ffn_inp, "ffn_inp", il);

// feed-forward network
{
cur = build_norm(ffn_inp,
model.layers[il].ffn_norm, NULL,
LLM_NORM_RMS, il);
cb(cur, "ffn_norm", il);

cur = build_ffn(cur,
model.layers[il].ffn_up, NULL, NULL,
model.layers[il].ffn_gate, NULL, NULL,
model.layers[il].ffn_down, NULL, NULL,
NULL,
LLM_FFN_SILU, LLM_FFN_PAR, il);
cb(cur, "ffn_out", il);
}

cur = ggml_add(ctx0, cur, ffn_inp);

cur = build_cvec(cur, il);
cb(cur, "l_out", il);

// input for next layer
inpL = cur;
}

cur = inpL;

cur = build_norm(cur,
model.output_norm, NULL,
LLM_NORM_RMS, -1);

cb(cur, "result_norm", -1);
res->t_embd = cur;

// lm_head
cur = build_lora_mm(model.output, cur);

cb(cur, "result_output", -1);
res->t_logits = cur;

ggml_build_forward_expand(gf, cur);
}
};

struct llm_build_arcee : public llm_graph_context {
llm_build_arcee(const llama_model & model, const llm_graph_params & params, ggml_cgraph * gf) : llm_graph_context(params) {
const int64_t n_embd_head = hparams.n_embd_head_v;
Expand Down Expand Up @@ -14635,6 +14808,10 @@ llm_graph_result_ptr llama_model::build_graph(
{
llm = std::make_unique<llm_build_arcee>(*this, params, gf);
} break;
case LLM_ARCH_ERNIE4_5:
{
llm = std::make_unique<llm_build_ernie4_5>(*this, params, gf);
} break;
default:
GGML_ABORT("fatal error");
}
Expand Down Expand Up @@ -14786,6 +14963,7 @@ llama_rope_type llama_model_rope_type(const llama_model * model) {
case LLM_ARCH_BAILINGMOE:
case LLM_ARCH_NEO_BERT:
case LLM_ARCH_ARCEE:
case LLM_ARCH_ERNIE4_5:
return LLAMA_ROPE_TYPE_NORM;

// the pairs of head values are offset by n_rot/2
Expand Down
1 change: 1 addition & 0 deletions src/llama-model.h
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ enum llm_type {
LLM_TYPE_475M,
LLM_TYPE_770M,
LLM_TYPE_780M,
LLM_TYPE_0_3B,
LLM_TYPE_0_5B,
LLM_TYPE_0_6B,
LLM_TYPE_1B,
Expand Down
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