diff --git a/python/llm/src/ipex_llm/transformers/convert.py b/python/llm/src/ipex_llm/transformers/convert.py index 3ec10b6ac48..21759ae005e 100644 --- a/python/llm/src/ipex_llm/transformers/convert.py +++ b/python/llm/src/ipex_llm/transformers/convert.py @@ -980,19 +980,32 @@ def _optimize_post(model, lightweight_bmm=False): convert_forward(model, transformers.models.llama.modeling_llama.LlamaDecoderLayer, llama_decoder_forward) + if version.parse(trans_version) >= version.parse("4.36.0"): # transformers version >= 4.36.0 from ipex_llm.transformers.models.llama import llama_attention_forward_4_38 if version.parse(trans_version) >= version.parse("4.38.0"): - from ipex_llm.transformers.models.llama import llama_model_forward_4_38 - convert_forward( - model, - transformers.models.llama.modeling_llama.LlamaModel, - llama_model_forward_4_38) - convert_forward( - model, - transformers.models.llama.modeling_llama.LlamaAttention, - llama_attention_forward_4_38) + if version.parse(trans_version) >= version.parse("4.41.0"): + from ipex_llm.transformers.models.llama import llama_model_forward_4_41 + from ipex_llm.transformers.models.llama import llama_attention_forward_4_41 + convert_forward( + model, + transformers.models.llama.modeling_llama.LlamaModel, + llama_model_forward_4_41) + convert_forward( + model, + transformers.models.llama.modeling_llama.LlamaAttention, + llama_attention_forward_4_41) + else: + from ipex_llm.transformers.models.llama import llama_model_forward_4_38 + convert_forward( + model, + transformers.models.llama.modeling_llama.LlamaModel, + llama_model_forward_4_38) + convert_forward( + model, + transformers.models.llama.modeling_llama.LlamaAttention, + llama_attention_forward_4_38) else: from ipex_llm.transformers.models.llama import llama_model_forward_4_36 convert_forward( diff --git a/python/llm/src/ipex_llm/transformers/models/llama.py b/python/llm/src/ipex_llm/transformers/models/llama.py index cb18bc94a37..ac81c5a4dc7 100644 --- a/python/llm/src/ipex_llm/transformers/models/llama.py +++ b/python/llm/src/ipex_llm/transformers/models/llama.py @@ -167,6 +167,40 @@ def llama_model_forward_4_38( ) +def llama_model_forward_4_41( + self, + input_ids: torch.LongTensor = None, + attention_mask: Optional[torch.Tensor] = None, + position_ids: Optional[torch.LongTensor] = None, + past_key_values: Optional[Union[Cache, List[torch.FloatTensor]]]=None, + inputs_embeds: Optional[torch.FloatTensor] = None, + use_cache: Optional[bool] = None, + output_attentions: Optional[bool] = None, + output_hidden_states: Optional[bool] = None, + return_dict: Optional[bool] = None, + cache_position: Optional[torch.LongTensor] = None, +) -> Union[Tuple, BaseModelOutputWithPast]: + from ipex_llm.transformers.kv import DynamicFp8Cache + use_cache = use_cache if use_cache is not None else self.config.use_cache + input = input_ids if input_ids is not None else inputs_embeds + if use_cache and use_quantize_kv_cache(self.layers[0].mlp.up_proj, input): + if not isinstance(past_key_values, DynamicFp8Cache): + past_key_values = DynamicFp8Cache.from_legacy_cache(past_key_values) + return llama_model_forward_4_41_internal( + self=self, + input_ids=input_ids, + attention_mask=attention_mask, + position_ids=position_ids, + past_key_values=past_key_values, + inputs_embeds=inputs_embeds, + use_cache=use_cache, + output_attentions=output_attentions, + output_hidden_states=output_hidden_states, + return_dict=return_dict, + cache_position=cache_position, + ) + + def llama_rms_norm_forward(self, hidden_states): if hidden_states.device.type == "xpu" and not (self.training and hidden_states.requires_grad): import xe_addons @@ -961,7 +995,7 @@ def llama_attention_selective_batching_forward_4_31( return attn_output.to(original_dtype), attn_weights, updated_past_key_values -def llama_attention_forward_4_38( +def llama_attention_forward_4_41( self, hidden_states: torch.Tensor, attention_mask: Optional[torch.Tensor] = None, @@ -973,9 +1007,9 @@ def llama_attention_forward_4_38( **kwargs ) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[List[torch.FloatTensor]]]: if use_quantize_kv_cache(self.q_proj, hidden_states): - forward_function = llama_attention_forward_4_38_quantized + forward_function = llama_attention_forward_4_41_quantized else: - forward_function = llama_attention_forward_4_38_original + forward_function = llama_attention_forward_4_41_original return forward_function( self=self, hidden_states=hidden_states, @@ -989,7 +1023,7 @@ def llama_attention_forward_4_38( ) -def llama_attention_forward_4_38_quantized( +def llama_attention_forward_4_41_quantized( self, hidden_states: torch.Tensor, attention_mask: Optional[torch.Tensor] = None, @@ -1107,7 +1141,7 @@ def llama_attention_forward_4_38_quantized( if attention_mask is not None: if cache_position is not None: # for transformers 4.38.0 - causal_mask = attention_mask[:, :, cache_position, : kv_seq_len] + causal_mask = attention_mask[:, :, :, : kv_seq_len] attn_weights = attn_weights + causal_mask else: attn_mask_size = (bsz, 1, q_len, kv_seq_len) @@ -1155,7 +1189,7 @@ def llama_attention_forward_4_38_quantized( if attention_mask is not None: if cache_position is not None: # for transformers 4.38.0 - causal_mask = attention_mask[:, :, cache_position, : kv_seq_len] + causal_mask = attention_mask[:, :, :, : kv_seq_len] attn_weights = attn_weights + causal_mask else: attn_mask_size = (bsz, 1, q_len, kv_seq_len) @@ -1177,7 +1211,7 @@ def llama_attention_forward_4_38_quantized( else: import xe_addons if cache_position is not None: - new_attn_mask = attention_mask[:, :, kv_seq_len-q_len:kv_seq_len, 0:kv_seq_len] + new_attn_mask = attention_mask[:, :, :, 0:kv_seq_len] else: new_attn_mask = attention_mask attn_output = xe_addons.sdp_fp8(query_states, key_states, value_states, new_attn_mask) @@ -1209,7 +1243,7 @@ def llama_attention_forward_4_38_quantized( return attn_output, attn_weights, past_key_value -def llama_attention_forward_4_38_original( +def llama_attention_forward_4_41_original( self, hidden_states: torch.Tensor, attention_mask: Optional[torch.Tensor] = None, @@ -1264,7 +1298,7 @@ def llama_attention_forward_4_38_original( kv_seq_len += 1 # update past_key_value's seem_tokens and kv caches. if self.layer_idx == 0: - past_key_value.seen_tokens = kv_seq_len + past_key_value._seen_tokens = kv_seq_len past_key_value.key_cache[self.layer_idx] = key_states past_key_value.value_cache[self.layer_idx] = value_states @@ -1370,7 +1404,7 @@ def llama_attention_forward_4_38_original( if past_key_value is not None: # update the number of seen tokens if self.layer_idx == 0: - past_key_value.seen_tokens += key_states.shape[-2] + past_key_value._seen_tokens += key_states.shape[-2] # reuse k, v, self_attention # update `past_key_value` with `key_states` and `value_states` for layer `layer_idx` @@ -1406,7 +1440,8 @@ def llama_attention_forward_4_38_original( past_key_value.value_cache[self.layer_idx] = value_states if cache_position is not None: - new_attention_mask = attention_mask[:, :, kv_seq_len - q_len:kv_seq_len, 0:kv_seq_len] + new_attention_mask = attention_mask[:, :, :, 0:kv_seq_len] + else: new_attention_mask = attention_mask @@ -1432,6 +1467,7 @@ def llama_attention_forward_4_38_original( # repeat k/v heads if n_kv_heads < n_heads key_states = repeat_kv(key_states, self.num_key_value_groups) value_states = repeat_kv(value_states, self.num_key_value_groups) + # otherwise, use native attention if query_states.device.type == "xpu": attn_output, attn_weights = native_sdp(query_states, key_states, value_states, @@ -1483,81 +1519,604 @@ def llama_attention_forward_4_38_original( return attn_output.to(original_dtype), attn_weights, past_key_value -def native_sdp(query, key, value, attention_mask, cache_position, - bsz, q_len, kv_seq_len, head_dim, num_heads, output_attentions): - if should_split_qkv_tensor(query, bsz, num_heads, q_len, kv_seq_len, output_attentions): - return native_sdp_split_qkv_tensor(query, key, value, attention_mask, cache_position, - bsz, q_len, kv_seq_len, head_dim, num_heads) +def llama_attention_forward_4_38( + self, + hidden_states: torch.Tensor, + attention_mask: Optional[torch.Tensor] = None, + position_ids: Optional[torch.LongTensor] = None, + past_key_value: Optional[List[torch.FloatTensor]] = None, + output_attentions: bool = False, + use_cache: bool = False, + cache_position: Optional[torch.LongTensor] = None, + **kwargs +) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[List[torch.FloatTensor]]]: + if use_quantize_kv_cache(self.q_proj, hidden_states): + forward_function = llama_attention_forward_4_38_quantized else: - attn_weights = torch.matmul(query.to(key.dtype), - key.transpose(2, 3)) / math.sqrt(head_dim) + forward_function = llama_attention_forward_4_38_original + return forward_function( + self=self, + hidden_states=hidden_states, + attention_mask=attention_mask, + position_ids=position_ids, + past_key_value=past_key_value, + output_attentions=output_attentions, + use_cache=use_cache, + cache_position=cache_position, + kwargs=kwargs + ) - attn_weights_size = (bsz, num_heads, q_len, kv_seq_len) - if attn_weights.size() != attn_weights_size: - invalidInputError(False, - f"Attention weights should be of size {attn_weights_size}, " - f"but is {attn_weights.size()}") - if attention_mask is not None: +def llama_attention_forward_4_38_quantized( + self, + hidden_states: torch.Tensor, + attention_mask: Optional[torch.Tensor] = None, + position_ids: Optional[torch.LongTensor] = None, + past_key_value: Optional[List[torch.FloatTensor]] = None, + output_attentions: bool = False, + use_cache: bool = False, + cache_position: Optional[torch.LongTensor] = None, + **kwargs +) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[List[torch.FloatTensor]]]: + if "padding_mask" in kwargs: + warnings.warn( + "Passing `padding_mask` is deprecated and will be removed in v4.37. " + "Please make sure use `attention_mask` instead.`" + ) + + bsz, q_len, _ = hidden_states.size() + device = hidden_states.device + use_fuse_rope = should_use_fuse_rope(self, hidden_states, position_ids) + enough_kv_room = is_enough_kv_cache_room_4_36(past_key_value, self.layer_idx, seq_len=q_len) + no_tp = not self.config.pretraining_tp > 1 + decoding_fast_path = use_decoding_fast_path(self.q_proj, + use_fuse_rope, + enough_kv_room, + bsz * q_len, + llama_decoding_fast_path_qtype_check) and no_tp + if decoding_fast_path: + hidden_states = hidden_states.view(1, -1) + tmp_cache_k, tmp_cache_v = init_kv_cache( + bsz, + self.num_key_value_heads, + self.head_dim, + 0, + 1, + dtype=hidden_states.dtype, + device=device + ) + import xe_linear + query_states, key_states, value_states = xe_linear.forward_qkv(hidden_states, + self.q_proj.weight, + self.k_proj.weight, + self.v_proj.weight, + position_ids, + tmp_cache_k, tmp_cache_v, + self.q_proj.weight.qtype, + self.v_proj.weight.qtype, + 0, + self.head_dim, + self.rotary_emb.base,) + else: + query_states = self.q_proj(hidden_states) + key_states = self.k_proj(hidden_states) + value_states = self.v_proj(hidden_states) + + query_states = query_states.view(bsz, q_len, + self.num_heads, self.head_dim).transpose(1, 2) + key_states = key_states.view(bsz, q_len, + self.num_key_value_heads, self.head_dim).transpose(1, 2) + value_states = value_states.view(bsz, q_len, + self.num_key_value_heads, self.head_dim).transpose(1, 2) + + kv_seq_len = key_states.shape[-2] + if past_key_value is not None: + if self.layer_idx is None: + invalidInputError( + False, + f"The cache structure has changed since version v4.36." + f" If you are using {self.__class__.__name__} " + f"for auto-regressive decoding with k/v caching," + f" please make sure to initialize the attention class " + "with a layer index." + ) + kv_seq_len += past_key_value.get_usable_length(kv_seq_len, self.layer_idx) + if use_fuse_rope: + rope_theta = self.rotary_emb.base + query_states, key_states = apply_rotary_pos_emb_no_cache_xpu(query_states, + key_states, + position_ids, + "llama", + rope_theta=rope_theta) + else: if cache_position is not None: # for transformers 4.38.0 - causal_mask = attention_mask[:, :, cache_position, : kv_seq_len] - attn_weights = attn_weights + causal_mask + cos, sin = self.rotary_emb(value_states, position_ids) + query_states, key_states = apply_rotary_pos_emb(query_states, key_states, + cos, sin, position_ids, "llama2") else: - attn_mask_size = (bsz, 1, q_len, kv_seq_len) - if attention_mask.size() != attn_mask_size: - invalidInputError(False, - f"Attention mask should be of size {attn_mask_size}, " - f"but is {attention_mask.size()}") - attn_weights = attn_weights + attention_mask + cos, sin = self.rotary_emb(value_states, seq_len=kv_seq_len) + query_states, key_states = apply_rotary_pos_emb(query_states, key_states, + cos, sin, position_ids, "llama") + kv_seq_len = key_states.shape[-2] - if kv_seq_len >= 2048 or bsz >= 64: - # for memory considerations, do not upcast attention to fp32 - # for long sequences or large batches - attn_weights = nn.functional.softmax(attn_weights, dim=-1) + if len(past_key_value.key_cache) <= self.layer_idx: + repeated_key_states = repeat_kv(key_states, self.num_key_value_groups) + repeated_value_states = repeat_kv(value_states, self.num_key_value_groups) + if should_split_qkv_tensor(query_states, bsz, self.num_heads, + q_len, kv_seq_len, output_attentions): + attn_output, _ = native_sdp_split_qkv_tensor(query_states, repeated_key_states, + repeated_value_states, + attention_mask, cache_position, + bsz, q_len, kv_seq_len, self.head_dim, + self.num_heads) else: - # upcast attention to fp32 - attn_weights = nn.functional.softmax(attn_weights, dim=-1, - dtype=torch.float32).to(value.dtype) - attn_output = torch.matmul(attn_weights, value) - return attn_output, attn_weights + attn_weights = torch.matmul(query_states, repeated_key_states + .transpose(2, 3)) / math.sqrt(self.head_dim) + if attn_weights.size() != (bsz, self.num_heads, q_len, kv_seq_len): + invalidInputError( + False, + f"Attention weights should be of size " + f"{(bsz, self.num_heads, q_len, kv_seq_len)}, but is" + f" {attn_weights.size()}" + ) -def native_sdp_split_qkv_tensor(query, key, value, attention_mask, cache_position, - bsz, q_len, kv_seq_len, head_dim, num_heads): - block_size = 8 - query_split = torch.split(query.to(key.dtype), block_size, dim=1) - key_split = torch.split(key.transpose(2, 3), block_size, dim=1) - value_split = torch.split(value, block_size, dim=1) - attn_outputs = [] - for q, k, v in zip(query_split, key_split, value_split): - attn_weights_split = torch.matmul(q, k) / math.sqrt(head_dim) - block_actual_size = attn_weights_split.size(1) - attn_weights_split_size = (bsz, block_actual_size, q_len, kv_seq_len) - if attn_weights_split.size() != attn_weights_split_size: - invalidInputError(False, - f"Splitted attention weights should be of size " - f"{attn_weights_split_size}, but is {attn_weights_split.size()}") + if attention_mask is not None: + if cache_position is not None: + # for transformers 4.38.0 + causal_mask = attention_mask[:, :, cache_position, : kv_seq_len] + attn_weights = attn_weights + causal_mask + else: + attn_mask_size = (bsz, 1, q_len, kv_seq_len) + if attention_mask.size() != attn_mask_size: + invalidInputError(False, + f"Attention mask should be of size {attn_mask_size}, " + f"but is {attention_mask.size()}") + attn_weights = attn_weights + attention_mask - if attention_mask is not None: - if cache_position is not None: - # for transformers 4.38.0 - causal_mask = attention_mask[:, :, cache_position, : kv_seq_len] - attn_weights_split = attn_weights_split + causal_mask + if kv_seq_len >= 2048 or bsz >= 64: + # for memory considerations, do not upcast attention to fp32 + # for long sequences or large batches + attn_weights = nn.functional.softmax(attn_weights, dim=-1) else: - attn_mask_size = (bsz, 1, q_len, kv_seq_len) - if attention_mask.size() != attn_mask_size: - invalidInputError(False, - f"Attention mask should be of size {attn_mask_size}, " - f"but is {attention_mask.size()}") - attn_weights_split = attn_weights_split + attention_mask - attn_weights_split = nn.functional.softmax(attn_weights_split, dim=-1) - attn_outputs.append(torch.matmul(attn_weights_split, v)) - attn_output = torch.cat(attn_outputs, dim=1) - return attn_output.to(key.dtype), None - - -def llama_model_selective_batching_forward_4_31( + # upcast attention to fp32 + attn_weights = nn.functional.softmax(attn_weights, dim=-1, + dtype=torch.float32).to(query_states.dtype) + attn_output = torch.matmul(attn_weights, repeated_value_states) + if use_cache: + cache_kwargs = None + key_states, value_states = past_key_value.update(key_states, value_states, + self.layer_idx, cache_kwargs) + else: + cache_kwargs = None # Specific to RoPE models + key_states, value_states = past_key_value.update(key_states, value_states, + self.layer_idx, cache_kwargs) + kv_seq_len = key_states.shape[-2] + if not use_sdp_fp8(q_len, key_states.shape[2], query_states): + key_states, value_states = restore_fp8_kv_cache(key_states, value_states, + query_states.dtype) + key_states = repeat_kv(key_states, self.num_key_value_groups)\ + .to(device, dtype=query_states.dtype) + value_states = repeat_kv(value_states, self.num_key_value_groups)\ + .to(device, dtype=query_states.dtype) + attn_weights = torch.matmul(query_states, key_states.transpose(2, 3)) + attn_weights = attn_weights / math.sqrt(self.head_dim) + if attn_weights.size() != (bsz, self.num_heads, q_len, kv_seq_len): + invalidInputError( + False, + f"Attention weights should be of size" + f" {(bsz, self.num_heads, q_len, kv_seq_len)}," + f" but is {attn_weights.size()}" + ) + + if attention_mask is not None: + if cache_position is not None: + # for transformers 4.38.0 + causal_mask = attention_mask[:, :, cache_position, : kv_seq_len] + attn_weights = attn_weights + causal_mask + else: + attn_mask_size = (bsz, 1, q_len, kv_seq_len) + if attention_mask.size() != attn_mask_size: + invalidInputError(False, + f"Attention mask should be of size {attn_mask_size}, " + f"but is {attention_mask.size()}") + attn_weights = attn_weights + attention_mask + + if kv_seq_len >= 2048 or bsz >= 64: + # for memory considerations, do not upcast attention to fp32 + # for long sequences or large batches + attn_weights = nn.functional.softmax(attn_weights, dim=-1) + else: + # upcast attention to fp32 + attn_weights = nn.functional.softmax(attn_weights, dim=-1, + dtype=torch.float32).to(query_states.dtype) + attn_output = torch.matmul(attn_weights, value_states) + else: + import xe_addons + if cache_position is not None: + new_attn_mask = attention_mask[:, :, kv_seq_len-q_len:kv_seq_len, 0:kv_seq_len] + else: + new_attn_mask = attention_mask + attn_output = xe_addons.sdp_fp8(query_states, key_states, value_states, new_attn_mask) + attn_weights = None + + if attn_output.size() != (bsz, self.num_heads, q_len, self.head_dim): + invalidInputError( + False, + f"`attn_output` should be of size {(bsz, self.num_heads, q_len, self.head_dim)}," + f" but is {attn_output.size()}" + ) + + attn_output = attn_output.transpose(1, 2).contiguous() + + attn_output = attn_output.reshape(bsz, q_len, self.hidden_size) + + if self.config.pretraining_tp > 1: + attn_output = attn_output.split(self.hidden_size // self.config.pretraining_tp, dim=2) + o_proj_slices = self.o_proj.weight.split(self.hidden_size + // self.config.pretraining_tp, dim=1) + attn_output = sum([F.linear(attn_output[i], + o_proj_slices[i]) for i in range(self.config.pretraining_tp)]) + else: + attn_output = self.o_proj(attn_output) + + if not output_attentions: + attn_weights = None + + return attn_output, attn_weights, past_key_value + + +def llama_attention_forward_4_38_original( + self, + hidden_states: torch.Tensor, + attention_mask: Optional[torch.Tensor] = None, + position_ids: Optional[torch.LongTensor] = None, + past_key_value: Optional[List[torch.FloatTensor]] = None, + output_attentions: bool = False, + use_cache: bool = False, + cache_position: Optional[torch.LongTensor] = None, + **kwargs +) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[List[torch.FloatTensor]]]: + if "padding_mask" in kwargs: + warnings.warn( + "Passing `padding_mask` is deprecated and will be removed in v4.37. " + "Please make sure use `attention_mask` instead.`" + ) + + bsz, q_len, hidden_size = hidden_states.size() + device = hidden_states.device + # for flash attention + original_dtype = hidden_states.dtype + + use_fuse_rope = should_use_fuse_rope(self, hidden_states, position_ids) + enough_kv_room = is_enough_kv_cache_room_4_36(past_key_value, self.layer_idx, seq_len=q_len) + no_tp = not self.config.pretraining_tp > 1 + decoding_fast_path = use_decoding_fast_path(self.q_proj, + use_fuse_rope, + enough_kv_room, + bsz * q_len, + llama_decoding_fast_path_qtype_check) and no_tp + + # single batch decoding fast path + # forward_qkv takes will perform QKV projection, rotary position embedding + # and save the key/value states to cache, then return query states and the + # extended key/value cache + if decoding_fast_path: + hidden_states = hidden_states.view(1, -1) + cache_k = past_key_value.key_cache[self.layer_idx] + cache_v = past_key_value.value_cache[self.layer_idx] + kv_seq_len = cache_k.shape[-2] + import xe_linear + query_states, key_states, value_states = xe_linear.forward_qkv(hidden_states, + self.q_proj.weight, + self.k_proj.weight, + self.v_proj.weight, + position_ids, + cache_k, cache_v, + self.q_proj.weight.qtype, + self.v_proj.weight.qtype, + kv_seq_len, + self.head_dim, + self.rotary_emb.base,) + kv_seq_len += 1 + # update past_key_value's seem_tokens and kv caches. + if self.layer_idx == 0: + past_key_value.seen_tokens = kv_seq_len + past_key_value.key_cache[self.layer_idx] = key_states + past_key_value.value_cache[self.layer_idx] = value_states + + else: + if self.config.pretraining_tp > 1: + key_value_slicing = ((self.num_key_value_heads * self.head_dim) // + self.config.pretraining_tp) + query_slices = self.q_proj.weight.split((self.num_heads * self.head_dim) + // self.config.pretraining_tp, dim=0) + key_slices = self.k_proj.weight.split(key_value_slicing, dim=0) + value_slices = self.v_proj.weight.split(key_value_slicing, dim=0) + + query_states = [F.linear(hidden_states, query_slices[i]) + for i in range(self.config.pretraining_tp)] + query_states = torch.cat(query_states, dim=-1) + + key_states = [F.linear(hidden_states, key_slices[i]) + for i in range(self.config.pretraining_tp)] + key_states = torch.cat(key_states, dim=-1) + + value_states = [F.linear(hidden_states, value_slices[i]) + for i in range(self.config.pretraining_tp)] + value_states = torch.cat(value_states, dim=-1) + else: + if fp16_fusion_check(self.q_proj, hidden_states, self.training) and \ + hidden_size == 4096 and self.q_proj.out_features == self.k_proj.out_features: + # only use mm_qkv_out on pvc for llama-7b + if not hasattr(self, "qkv_proj_weight"): + self.qkv_proj_weight = torch.stack([self.q_proj.weight, + self.k_proj.weight, + self.v_proj.weight]).contiguous() + self.q_proj.weight.data = self.qkv_proj_weight[0, :, :] + self.k_proj.weight.data = self.qkv_proj_weight[1, :, :] + self.v_proj.weight.data = self.qkv_proj_weight[2, :, :] + torch.xpu.empty_cache() + query_states = torch.empty(bsz, q_len, self.qkv_proj_weight.shape[-1], + dtype=hidden_states.dtype, device=hidden_states.device) + key_states = torch.empty(bsz, q_len, self.qkv_proj_weight.shape[-1], + dtype=hidden_states.dtype, device=hidden_states.device) + value_states = torch.empty(bsz, q_len, self.qkv_proj_weight.shape[-1], + dtype=hidden_states.dtype, device=hidden_states.device) + torch.ops.torch_ipex.mm_qkv_out( + hidden_states, self.qkv_proj_weight, None, + query_states, key_states, value_states + ) + else: + if should_use_xetla_mm_qkv(self, device): + if not hasattr(self, "qkv_proj_qweight"): + self.qkv_proj_qweight = fuse_qkv_weight_xetla(self.q_proj, + self.k_proj, + self.v_proj, + self.q_proj.weight.qtype,) + import xe_linear + q_out_len = self.q_proj.out_len + k_out_len = self.k_proj.out_len + v_out_len = self.v_proj.out_len + qkv_states = xe_linear.mm_xetla(hidden_states, + self.qkv_proj_qweight, + self.q_proj.weight.qtype) + query_states = qkv_states[:, :, :q_out_len] + key_states = qkv_states[:, :, q_out_len:q_out_len + k_out_len] + value_states = qkv_states[:, :, q_out_len + k_out_len:] + else: + query_states = self.q_proj(hidden_states) + key_states = self.k_proj(hidden_states) + value_states = self.v_proj(hidden_states) + + query_states = query_states.view(bsz, q_len, + self.num_heads, self.head_dim).transpose(1, 2) + key_states = key_states.view(bsz, q_len, + self.num_key_value_heads, self.head_dim).transpose(1, 2) + value_states = value_states.view(bsz, q_len, + self.num_key_value_heads, self.head_dim).transpose(1, 2) + + kv_seq_len = key_states.shape[-2] + if past_key_value is not None: + if self.layer_idx is None: + invalidInputError(False, + "The cache structure has changed since version v4.36. " + f"If you are using {self.__class__.__name__} for " + "auto-regressive decodingwith k/v caching, please make sure " + "to initialize the attention class with a layer index.") + kv_seq_len += past_key_value.get_usable_length(kv_seq_len, self.layer_idx) + + if use_fuse_rope: + rope_theta = self.rotary_emb.base + query_states, key_states = apply_rotary_pos_emb_no_cache_xpu(query_states, + key_states, + position_ids, + "llama", + rope_theta=rope_theta) + else: + if cache_position is not None: + # for transformers 4.38.0 + cos, sin = self.rotary_emb(value_states, position_ids) + query_states, key_states = apply_rotary_pos_emb(query_states, key_states, + cos, sin, position_ids, "llama2") + else: + cos, sin = self.rotary_emb(value_states, seq_len=kv_seq_len) + query_states, key_states = apply_rotary_pos_emb(query_states, key_states, + cos, sin, position_ids, "llama") + + if past_key_value is not None: + # update the number of seen tokens + if self.layer_idx == 0: + past_key_value.seen_tokens += key_states.shape[-2] + + # reuse k, v, self_attention + # update `past_key_value` with `key_states` and `value_states` for layer `layer_idx` + if len(past_key_value.key_cache) <= self.layer_idx: + past_key_value.key_cache.append(key_states) + past_key_value.value_cache.append(value_states) + else: + cache_k = past_key_value.key_cache[self.layer_idx] + cache_v = past_key_value.value_cache[self.layer_idx] + + if not enough_kv_room: + # allocate new + new_c_k, new_c_v = extend_kv_cache(bsz, + self.num_key_value_heads, # Support GQA + self.head_dim, + cache_k.size(2), + kv_seq_len + KV_CACHE_ALLOC_BLOCK_LENGTH, + dtype=cache_k.dtype, + device=device) + + new_c_k[:] = cache_k + new_c_v[:] = cache_v + cache_k = new_c_k + cache_v = new_c_v + + key_states, value_states = append_kv_cache(cache_k, + cache_v, + key_states, + value_states) + + # update past_key_value + past_key_value.key_cache[self.layer_idx] = key_states + past_key_value.value_cache[self.layer_idx] = value_states + + if cache_position is not None: + new_attention_mask = attention_mask[:, :, kv_seq_len - q_len:kv_seq_len, 0:kv_seq_len] + else: + new_attention_mask = attention_mask + + if not self.training and not hidden_states.requires_grad and \ + use_flash_attention(query_states, key_states, new_attention_mask): + # repeat k/v heads if n_kv_heads < n_heads + key_states = repeat_kv(key_states, self.num_key_value_groups) + value_states = repeat_kv(value_states, self.num_key_value_groups) + # now only use flash attention for first token + attn_output = F.scaled_dot_product_attention(query_states.to(device, dtype=torch.float16), + key_states.to(device, dtype=torch.float16), + value_states.to(device, dtype=torch.float16), + is_causal=True) + attn_weights = None + elif not self.training and not hidden_states.requires_grad and \ + use_sdp(q_len, key_states.shape[2], self.head_dim, query_states): + import xe_addons + attn_output = xe_addons.sdp(query_states, key_states, value_states, + new_attention_mask) + attn_output = attn_output.view(query_states.shape) + attn_weights = None + else: + # repeat k/v heads if n_kv_heads < n_heads + key_states = repeat_kv(key_states, self.num_key_value_groups) + value_states = repeat_kv(value_states, self.num_key_value_groups) + + # otherwise, use native attention + if query_states.device.type == "xpu": + attn_output, attn_weights = native_sdp(query_states, key_states, value_states, + new_attention_mask, cache_position, + bsz, q_len, kv_seq_len, + self.head_dim, self.num_heads, output_attentions) + else: + # CPU path + if not output_attentions: + attn_output = torch.nn.functional.scaled_dot_product_attention( + query_states, + key_states, + value_states, + attn_mask=new_attention_mask, + dropout_p=self.attention_dropout if self.training else 0.0, + # The q_len > 1 is necessary to match with + # AttentionMaskConverter.to_causal_4d that + # does not create a causal mask in case q_len == 1. + is_causal=self.is_causal and new_attention_mask is None and q_len > 1, + ) + else: + attn_output, attn_weights = native_sdp(query_states, key_states, value_states, + new_attention_mask, cache_position, + bsz, q_len, kv_seq_len, + self.head_dim, + self.num_heads, output_attentions) + + attn_output_size = (bsz, self.num_heads, q_len, self.head_dim) + if attn_output.size() != attn_output_size: + invalidInputError(False, + f"`attn_output` should be of size {attn_output_size}," + f" but is {attn_output.size()}") + + attn_output = attn_output.transpose(1, 2).contiguous() + attn_output = attn_output.reshape(bsz, q_len, self.hidden_size) + + if self.config.pretraining_tp > 1: + attn_output = attn_output.split(self.hidden_size // self.config.pretraining_tp, dim=2) + o_proj_slices = self.o_proj.weight.split(self.hidden_size // self.config.pretraining_tp, + dim=1) + attn_output = sum([F.linear(attn_output[i], o_proj_slices[i]) + for i in range(self.config.pretraining_tp)]) + else: + attn_output = self.o_proj(attn_output) + + if not output_attentions: + attn_weights = None + + return attn_output.to(original_dtype), attn_weights, past_key_value + + +def native_sdp(query, key, value, attention_mask, cache_position, + bsz, q_len, kv_seq_len, head_dim, num_heads, output_attentions): + if should_split_qkv_tensor(query, bsz, num_heads, q_len, kv_seq_len, output_attentions): + return native_sdp_split_qkv_tensor(query, key, value, attention_mask, cache_position, + bsz, q_len, kv_seq_len, head_dim, num_heads) + else: + attn_weights = torch.matmul(query.to(key.dtype), + key.transpose(2, 3)) / math.sqrt(head_dim) + + attn_weights_size = (bsz, num_heads, q_len, kv_seq_len) + if attn_weights.size() != attn_weights_size: + invalidInputError(False, + f"Attention weights should be of size {attn_weights_size}, " + f"but is {attn_weights.size()}") + + if attention_mask is not None: + if cache_position is not None: + # for transformers 4.38.0 + causal_mask = attention_mask[:, :, cache_position, : kv_seq_len] + attn_weights = attn_weights + causal_mask + else: + attn_mask_size = (bsz, 1, q_len, kv_seq_len) + if attention_mask.size() != attn_mask_size: + invalidInputError(False, + f"Attention mask should be of size {attn_mask_size}, " + f"but is {attention_mask.size()}") + attn_weights = attn_weights + attention_mask + + if kv_seq_len >= 2048 or bsz >= 64: + # for memory considerations, do not upcast attention to fp32 + # for long sequences or large batches + attn_weights = nn.functional.softmax(attn_weights, dim=-1) + else: + # upcast attention to fp32 + attn_weights = nn.functional.softmax(attn_weights, dim=-1, + dtype=torch.float32).to(value.dtype) + attn_output = torch.matmul(attn_weights, value) + return attn_output, attn_weights + + +def native_sdp_split_qkv_tensor(query, key, value, attention_mask, cache_position, + bsz, q_len, kv_seq_len, head_dim, num_heads): + block_size = 8 + query_split = torch.split(query.to(key.dtype), block_size, dim=1) + key_split = torch.split(key.transpose(2, 3), block_size, dim=1) + value_split = torch.split(value, block_size, dim=1) + attn_outputs = [] + for q, k, v in zip(query_split, key_split, value_split): + attn_weights_split = torch.matmul(q, k) / math.sqrt(head_dim) + block_actual_size = attn_weights_split.size(1) + attn_weights_split_size = (bsz, block_actual_size, q_len, kv_seq_len) + if attn_weights_split.size() != attn_weights_split_size: + invalidInputError(False, + f"Splitted attention weights should be of size " + f"{attn_weights_split_size}, but is {attn_weights_split.size()}") + + if attention_mask is not None: + if cache_position is not None: + # for transformers 4.38.0 + causal_mask = attention_mask[:, :, cache_position, : kv_seq_len] + attn_weights_split = attn_weights_split + causal_mask + else: + attn_mask_size = (bsz, 1, q_len, kv_seq_len) + if attention_mask.size() != attn_mask_size: + invalidInputError(False, + f"Attention mask should be of size {attn_mask_size}, " + f"but is {attention_mask.size()}") + attn_weights_split = attn_weights_split + attention_mask + attn_weights_split = nn.functional.softmax(attn_weights_split, dim=-1) + attn_outputs.append(torch.matmul(attn_weights_split, v)) + attn_output = torch.cat(attn_outputs, dim=1) + return attn_output.to(key.dtype), None + + +def llama_model_selective_batching_forward_4_31( self, input_ids: torch.LongTensor = None, attention_mask: Optional[torch.Tensor] = None, @@ -1717,7 +2276,8 @@ def custom_forward(*inputs): next_cache = next_decoder_cache if use_cache else None if not return_dict: - return tuple(v for v in [hidden_states, next_cache, all_hidden_states, all_self_attns] if v is not None) # noqa + return tuple(v for v in [hidden_states, next_cache, all_hidden_states, all_self_attns] + if v is not None) # noqa return BaseModelOutputWithPast( last_hidden_state=hidden_states, past_key_values=next_cache, @@ -1839,6 +2399,139 @@ def llama_attention_fast_forward( return attn_output, attn_weights, past_key_value +def llama_model_forward_4_41_internal( + self, + input_ids: torch.LongTensor = None, + attention_mask: Optional[torch.Tensor] = None, + position_ids: Optional[torch.LongTensor] = None, + past_key_values: Optional[Union[Cache, List[torch.FloatTensor]]]=None, + inputs_embeds: Optional[torch.FloatTensor] = None, + use_cache: Optional[bool] = None, + output_attentions: Optional[bool] = None, + output_hidden_states: Optional[bool] = None, + return_dict: Optional[bool] = None, + cache_position: Optional[torch.LongTensor] = None, +) -> Union[Tuple, BaseModelOutputWithPast]: + output_attentions = output_attentions\ + if output_attentions is not None else self.config.output_attentions + output_hidden_states = ( + output_hidden_states + if output_hidden_states is not None else self.config.output_hidden_states + ) + use_cache = use_cache if use_cache is not None else self.config.use_cache + return_dict = return_dict if return_dict is not None else self.config.use_return_dict +# retrieve input_ids and inputs_embeds + + if (input_ids is None) ^ (inputs_embeds is not None): + invalidInputError(False, + f"You cannot specify both input_ids and inputs_embeds at the same time," + f" and must specify either one") + + if self.gradient_checkpointing and self.training and use_cache: + logger.warning_once( + "`use_cache=True` is incompatible with gradient checkpointing.", + "Setting `use_cache=False`." + ) + use_cache = False + + if inputs_embeds is None: + inputs_embeds = self.embed_tokens(input_ids) + + return_legacy_cache = False + # kept for BC (non `Cache` `past_key_values` inputs) + if use_cache and not isinstance(past_key_values, Cache): + return_legacy_cache = True + past_key_values = DynamicCache.from_legacy_cache(past_key_values) + + if cache_position is None: + past_seen_tokens = past_key_values.get_seq_length() \ + if past_key_values is not None else 0 + cache_position = torch.arange( + past_seen_tokens, past_seen_tokens + + inputs_embeds.shape[1], device=inputs_embeds.device + ) + if position_ids is None: + position_ids = cache_position.unsqueeze(0) + + causal_mask = self._update_causal_mask( + attention_mask, inputs_embeds, cache_position, past_key_values, output_attentions + ) + + # embed positions + hidden_states = inputs_embeds + + # decoder layers + all_hidden_states = () if output_hidden_states else None + all_self_attns = () if output_attentions else None + next_decoder_cache = None + + for decoder_layer in self.layers: + if output_hidden_states: + all_hidden_states += (hidden_states,) + + if self.gradient_checkpointing and self.training: + layer_outputs = self._gradient_checkpointing_func( + decoder_layer.__call__, + hidden_states, + causal_mask, + position_ids, + past_key_values, + output_attentions, + use_cache, + cache_position, + ) + else: + # bigdl-llm changes: + curr_device = decoder_layer.input_layernorm.weight.device + if causal_mask is not None: + causal_mask = causal_mask.to(curr_device) + if position_ids is not None: + position_ids = position_ids.to(curr_device) + # bigdl-llm changes end + layer_outputs = decoder_layer( + hidden_states, + attention_mask=causal_mask, + position_ids=position_ids, + past_key_value=past_key_values, + output_attentions=output_attentions, + use_cache=use_cache, + cache_position=cache_position, + ) + + hidden_states = layer_outputs[0] + + if use_cache: + next_decoder_cache = layer_outputs[2 if output_attentions else 1] + + if output_attentions: + all_self_attns += (layer_outputs[1],) + + hidden_states = self.norm(hidden_states) + + # add hidden states from the last decoder layer + if output_hidden_states: + all_hidden_states += (hidden_states,) + + next_cache = None + from ipex_llm.transformers.kv import DynamicFp8Cache + if use_cache: + next_cache = ( + next_decoder_cache.to_legacy_cache() + if not isinstance(next_decoder_cache, DynamicFp8Cache) + else next_decoder_cache + ) + + if not return_dict: + return tuple(v for v in [hidden_states, next_cache, all_hidden_states, all_self_attns] + if v is not None) + return BaseModelOutputWithPast( + last_hidden_state=hidden_states, + past_key_values=next_cache, + hidden_states=all_hidden_states, + attentions=all_self_attns, + ) + + def llama_model_forward_4_38_internal( self, input_ids: torch.LongTensor = None,