support running internlm xcomposer2 on gpu and add sdp optimization (#…

…11115)

python/llm/src/ipex_llm/transformers/convert.py

@@ -44,11 +44,11 @@
 import importlib.util
 from ipex_llm.ggml.quantize import ggml_tensor_qtype, gguf_mixed_qtype
 from .utils import logger, get_cur_qtype_and_imatrix
-from typing import Union
 import numpy as np
 import os
 from ipex_llm.utils.common import invalidInputError
 from typing import List, Optional, Tuple, Union
+from types import MethodType
 import subprocess
 import sys
 
@@ -1228,6 +1228,8 @@ def _optimize_post(model, lightweight_bmm=False):
         convert_forward(model, module.InternLM2Attention, internlm_xcomposser2_attention_forward)
         from ipex_llm.transformers.models.internlm import internlm_xcomposser2_mlp_forward
         convert_forward(model, module.InternLM2MLP, internlm_xcomposser2_mlp_forward)
+        from ipex_llm.transformers.models.internlm import internlm_xcomposser2_chat
+        model.chat = MethodType(internlm_xcomposser2_chat, model)
     elif model.config.model_type == "qwen":
         if hasattr(model.config, "visual"):
             # for Qwen-VL-Chat

python/llm/src/ipex_llm/transformers/models/internlm.py

@@ -37,7 +37,7 @@
 # limitations under the License.
 """ PyTorch InternLM model."""
 import math
-from typing import Optional, Tuple
+from typing import Optional, Tuple, List
 
 import torch
 import torch.utils.checkpoint
@@ -47,9 +47,13 @@
     append_kv_cache, is_enough_kv_cache_room_4_31
 from ipex_llm.transformers.models.utils import apply_rotary_pos_emb
 from ipex_llm.transformers.models.utils import apply_rotary_pos_emb_no_cache_xpu
+from ipex_llm.transformers.models.utils import use_quantize_kv_cache, restore_fp8_kv_cache
+from ipex_llm.transformers.models.utils import update_past_key_value
+from ipex_llm.transformers.models.utils import use_sdp, use_sdp_causal
 from einops import rearrange
 import os
 
+
 KV_CACHE_ALLOC_BLOCK_LENGTH = int(os.environ.get("KV_CACHE_ALLOC_BLOCK_LENGTH", 256))
 
 
@@ -347,6 +351,7 @@ def internlm_xcomposser2_attention_forward(
     **kwargs,
 ) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[Tuple[torch.Tensor]]]:
     bsz, q_len, _ = hidden_states.size()
+    device = hidden_states.device
 
     qkv_states = self.wqkv(hidden_states)
     qkv_states = add_lora(hidden_states, qkv_states, im_mask, self.wqkv_lora_scaling,
@@ -375,26 +380,45 @@ def internlm_xcomposser2_attention_forward(
     query_states, key_states = apply_rotary_pos_emb(
         query_states, key_states, cos, sin, position_ids, "internlm")
 
-    if past_key_value is not None:
-        # reuse k, v, self_attention
-        key_states = torch.cat([past_key_value[0], key_states], dim=2)
-        value_states = torch.cat([past_key_value[1], value_states], dim=2)
-
+    # IPEX-LLM OPT: kv cache and quantzie kv cache
+    use_quantize_kv = use_quantize_kv_cache(self.wqkv, hidden_states)
+    key_states, value_states = update_past_key_value(
+        past_key_value, key_states, value_states,
+        kv_seq_len, use_quantize_kv, device
+    )
     past_key_value = (key_states, value_states) if use_cache else None
 
-    key_states = repeat_kv(key_states, self.num_key_value_groups)
-    value_states = repeat_kv(value_states, self.num_key_value_groups)
+    # IPEX-LLM OPT: sdp
+    if use_sdp(q_len, kv_seq_len, self.head_dim, query_states):
+        import linear_q4_0
+        if use_quantize_kv:
+            attn_output = linear_q4_0.sdp_fp8(query_states, key_states, value_states,
+                                              attention_mask)
+        else:
+            attn_output = linear_q4_0.sdp(query_states, key_states, value_states, attention_mask)
+    elif use_sdp_causal(q_len, kv_seq_len, self.head_dim, query_states, self.training):
+        import linear_q4_0
+        if use_quantize_kv:
+            attn_output = linear_q4_0.sdp_fp8_causal(query_states, key_states, value_states)
+        else:
+            attn_output = linear_q4_0.sdp_causal(query_states, key_states, value_states)
+    else:
+        if use_quantize_kv:
+            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)
+        value_states = repeat_kv(value_states, self.num_key_value_groups)
 
-    attn_weights = torch.matmul(query_states, key_states.transpose(
-        2, 3)) / math.sqrt(self.head_dim)
+        attn_weights = torch.matmul(query_states,
+                                    key_states.transpose(2, 3)) / math.sqrt(self.head_dim)
 
-    if attention_mask is not None:
-        attn_weights = attn_weights + attention_mask
+        if attention_mask is not None:
+            attn_weights = attn_weights + attention_mask
 
-    # 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)
+        # 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)
 
     attn_output = attn_output.transpose(1, 2).contiguous()
     attn_output = attn_output.reshape(bsz, q_len, self.hidden_size)
@@ -423,3 +447,66 @@ def internlm_xcomposser2_mlp_forward(
     w2 = self.w2(x)
     w2 = add_lora(x, w2, im_mask, self.w2_lora_scaling, self.w2_Plora_A, self.w2_Plora_B)
     return w2
+
+
+@torch.no_grad()
+def internlm_xcomposser2_chat(
+    self,
+    tokenizer,
+    query: str,
+    image: torch.Tensor = None,
+    history: List[Tuple[str, str]]=[],
+    streamer=None,
+    max_new_tokens: int = 1024,
+    do_sample: bool = True,
+    temperature: float = 1.0,
+    top_p: float = 0.8,
+    repetition_penalty: float=1.005,
+    meta_instruction:
+    str = ('You are an AI assistant whose name is InternLM-XComposer (浦语·灵笔).\n'
+           '- InternLM-XComposer (浦语·灵笔) is a multi-modality conversational language model'
+           'that is developed by Shanghai AI Laboratory (上海人工智能实验室).'
+           'It is designed to be helpful, honest, and harmless.\n'
+           '- InternLM-XComposer (浦语·灵笔) can understand and communicate fluently in the'
+           'language chosen by the user such as English and 中文.\n'
+           '- InternLM-XComposer (浦语·灵笔) is capable of comprehending and articulating'
+           'responses effectively based on the provided image.'),
+    **kwargs,
+):
+    if image is None:
+        inputs = self.build_inputs(tokenizer, query, history, meta_instruction)
+        im_mask = torch.zeros(inputs['input_ids'].shape[:2]).bool()
+    else:
+        image = self.encode_img(image)
+        inputs, im_mask = self.interleav_wrap_chat(tokenizer, query, image,
+                                                   history, meta_instruction)
+    inputs = {
+        k: v.to(self.device)
+        for k, v in inputs.items() if torch.is_tensor(v)
+    }
+    im_mask = im_mask.to(self.device)
+    # also add end-of-assistant token in eos token id to avoid unnecessary generation
+    eos_token_id = [
+        tokenizer.eos_token_id,
+        tokenizer.convert_tokens_to_ids(['[UNUSED_TOKEN_145]'])[0]
+    ]
+    outputs = self.generate(
+        **inputs,
+        streamer=streamer,
+        max_new_tokens=max_new_tokens,
+        do_sample=do_sample,
+        temperature=temperature,
+        top_p=top_p,
+        eos_token_id=eos_token_id,
+        repetition_penalty=repetition_penalty,
+        im_mask=im_mask,
+        **kwargs,
+    )
+    if image is None:
+        outputs = outputs[0].cpu().tolist()[len(inputs['input_ids'][0]):]
+    else:
+        outputs = outputs[0].cpu().tolist()
+    response = tokenizer.decode(outputs, skip_special_tokens=True)
+    response = response.split('[UNUSED_TOKEN_145]')[0]
+    history = history + [(query, response)]
+    return response, history