Delete ov_mllama_generator_class.py
Browse files- ov_mllama_generator_class.py +0 -518
ov_mllama_generator_class.py
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""" Core wrapper patching class on mllama-11b OV - excludes all conversion components - and is only for inference.
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-- Generation loop flows through GenerationMixin - will need to remove torch + transformers
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"""
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from pathlib import Path
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from transformers import AutoConfig, GenerationConfig
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from typing import Optional, Union, List, Tuple, Dict
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from transformers.generation import GenerationMixin
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from transformers.modeling_outputs import ModelOutput
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import openvino.runtime.opset13 as ops
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import openvino as ov
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import torch
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import numpy as np
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from dataclasses import dataclass
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from openvino.runtime.passes import Manager, MatcherPass, WrapType, Matcher
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import time
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core = ov.Core()
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LANGUAGE_MODEL = "llm_int4_asym_r10_gs64_max_activation_variance_scale_all_layers.xml"
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IMAGE_ENCODER = "openvino_vision_encoder_int8.xml"
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@dataclass
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class MLlamaOutputWithPast(ModelOutput):
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loss: Optional[torch.FloatTensor] = None
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logits: torch.FloatTensor = None
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past_key_values: Optional[Tuple[Tuple[torch.FloatTensor]]] = None
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hidden_states: Optional[Tuple[torch.FloatTensor, ...]] = None
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attentions: Optional[Tuple[torch.FloatTensor, ...]] = None
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cross_attn_key_values: Optional[List[torch.FloatTensor]] = None
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class InsertSlice(MatcherPass):
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def __init__(self):
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MatcherPass.__init__(self)
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self.model_changed = False
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param = WrapType("opset10.Result")
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def callback(matcher: Matcher) -> bool:
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root = matcher.get_match_root()
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if root is None:
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return False
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if len(root.get_output_partial_shape(0)) == 3:
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parent = root.input_value(0).get_node()
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grand_parent = parent.input_value(0).get_node()
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grand_parent_output = parent.input(0).get_source_output()
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consumers = grand_parent_output.get_target_inputs()
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start = np.array([0, -1, 0], dtype=np.int32)
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stop = np.array([1, -2, grand_parent_output.get_partial_shape()[-1].get_length()], dtype=np.int32)
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step = np.array([1, -1, 1], dtype=np.int32)
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axes = np.array([0, 1, 2], dtype=np.int32)
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slice = ops.slice(grand_parent, start, stop, step, axes, name="inserted_slice")
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for consumer in consumers:
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consumer.replace_source_output(slice.output(0))
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self.model_changed = True
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# Use new operation for additional matching
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self.register_new_node(slice)
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print("applied slice for lm head")
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return True
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self.register_matcher(Matcher(param, "InsertSlice"), callback)
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STR_TO_OV_TYPE = {
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"boolean": ov.Type.boolean,
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"f16": ov.Type.f16,
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"f32": ov.Type.f32,
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"f64": ov.Type.f64,
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"i8": ov.Type.i8,
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"i16": ov.Type.i16,
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"i32": ov.Type.i32,
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"i64": ov.Type.i64,
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"u8": ov.Type.u8,
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"u16": ov.Type.u16,
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"u32": ov.Type.u32,
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"u64": ov.Type.u64,
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"bf16": ov.Type.bf16,
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}
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class OVMLlamaForConditionalGeneration(GenerationMixin):
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def __init__(
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self,
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model_dir: Union[str, Path],
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device: str = "CPU",
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ov_config: Optional[Dict[str, str]] = None,
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language_model_name=None,
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image_encoder_name=None,
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slice_lm_head=True,
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use_remote_tensors=True,
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dynamic_shape=False,
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):
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model_dir = Path(model_dir)
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self.config = AutoConfig.from_pretrained(model_dir)
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self.generation_config = GenerationConfig.from_pretrained(model_dir)
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self.main_input_name = "input_ids"
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self.device = torch.device("cpu")
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self._device = device
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self.ov_config = ov_config
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self.num_pkv = 2
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self._supports_cache_class = False
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self.next_beam_idx = None
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self._past_length = None
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if language_model_name:
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self.model = core.read_model(model_dir / language_model_name)
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else:
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self.model = core.read_model(model_dir / LANGUAGE_MODEL)
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if image_encoder_name:
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self.vision_model = core.read_model(model_dir / image_encoder_name)
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else:
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self.vision_model = core.read_model(model_dir / IMAGE_ENCODER)
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if not dynamic_shape:
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self.reshape_vision_model()
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self.update_pkv_precision()
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if slice_lm_head:
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self.slice_lm_head()
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self.input_names = {key.get_any_name(): idx for idx, key in enumerate(self.model.inputs)}
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self.output_names = {key.get_any_name(): idx for idx, key in enumerate(self.model.outputs)}
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self.lm_cross_attn_inputs = [key for key in self.input_names if "cross_attn_key_values" in key]
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compiled_model = core.compile_model(self.model, device, ov_config)
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self.request = compiled_model.create_infer_request()
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self.cross_attn_outputs = [key.get_any_name() for key in self.vision_model.outputs if "cross_attn_key_values" in key.get_any_name()]
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compiled_vision_model = core.compile_model(self.vision_model, device, ov_config)
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self.vision_request = compiled_vision_model.create_infer_request()
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self.use_remote_tensors = use_remote_tensors and self._device == "GPU"
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if self.use_remote_tensors:
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self.prepare_remote_tensors()
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self.next_beam_idx = None
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self.num_patches = (self.config.vision_config.image_size // self.config.vision_config.patch_size) ** 2 + 1
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self._past_length = 0
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self.llm_infer_time = []
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self.vision_encoder_infer_time = []
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def _get_past_length(self, past_key_values=None):
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if past_key_values is None:
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return 0
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return self._past_length
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def reshape_vision_model(self):
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self.vision_model.reshape(
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{
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0: ov.PartialShape([1, 1, 4, 3, self.config.vision_config.image_size, self.config.vision_config.image_size]),
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1: ov.PartialShape([1, 1]),
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2: ov.PartialShape([1, 1, 4]),
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}
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)
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def update_pkv_precision(self, force_fp32=False):
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pkv_precision = ov.Type.f32
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if not force_fp32:
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device = self._device.upper()
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try:
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if "INFERENCE_PRECISION_HINT" in core.get_property(device, "SUPPORTED_PROPERTIES"):
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pkv_precision = core.get_property(device, "INFERENCE_PRECISION_HINT")
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except RuntimeError: # use default precision when get_property fails, e.g. when device is "AUTO:GPU"
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pass
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# ov_config["INFERENCE_PRECISION_HINT"] may override the prefer precision
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if self.ov_config:
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inference_precision_hint = self.ov_config.get("INFERENCE_PRECISION_HINT", "")
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if inference_precision_hint in STR_TO_OV_TYPE:
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pkv_precision = STR_TO_OV_TYPE[inference_precision_hint]
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ppp = ov.preprocess.PrePostProcessor(self.model)
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for key in self.model.inputs:
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if "cross_attn_key_values" in key.get_any_name() and pkv_precision != key.get_element_type():
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ppp.input(key.get_any_name()).tensor().set_element_type(pkv_precision)
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self.model = ppp.build()
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ppp_v = ov.preprocess.PrePostProcessor(self.vision_model)
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for key in self.vision_model.outputs:
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if "cross_attn_key_values" in key.get_any_name() and pkv_precision != key.get_element_type():
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ppp_v.output(key.get_any_name()).tensor().set_element_type(pkv_precision)
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self.vision_model = ppp_v.build()
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self._pkv_precision = pkv_precision
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def slice_lm_head(self):
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manager = Manager()
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manager.register_pass(InsertSlice())
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manager.run_passes(self.model)
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self.model.validate_nodes_and_infer_types()
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def forward(
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self,
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input_ids: torch.LongTensor = None,
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pixel_values: Optional[torch.FloatTensor] = None,
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aspect_ratio_mask: Optional[List[List[int]]] = None,
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aspect_ratio_ids: Optional[torch.Tensor] = None,
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attention_mask: Optional[List[List[List[int]]]] = None,
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cross_attention_mask: Optional[torch.Tensor] = None,
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cross_attention_states: Optional[torch.Tensor] = None,
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position_ids: Optional[torch.LongTensor] = None,
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past_key_values: Optional[List[torch.FloatTensor]] = None,
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inputs_embeds: Optional[torch.FloatTensor] = None,
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labels: Optional[torch.LongTensor] = None,
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use_cache: Optional[bool] = None,
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output_attentions: Optional[bool] = None,
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output_hidden_states: Optional[bool] = None,
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return_dict: Optional[bool] = None,
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cache_position: Optional[torch.LongTensor] = None,
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cross_attn_key_values: Optional[List[torch.Tensor]] = None,
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num_logits_to_keep: int = 0,
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) -> Union[Tuple, MLlamaOutputWithPast]:
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r"""
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Args:
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labels (`torch.LongTensor` of shape `(batch_size, sequence_length)`, *optional*):
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Labels for computing the masked language modeling loss. Indices should either be in `[0, ...,
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config.vocab_size]` or -100 (see `input_ids` docstring). Tokens with indices set to `-100` are ignored
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(masked), the loss is only computed for the tokens with labels in `[0, ..., config.vocab_size]`.
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num_logits_to_keep (`int`, *optional*):
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Calculate logits for the last `num_logits_to_keep` tokens. If `0`, calculate logits for all
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`input_ids` (special case). Only last token logits are needed for generation, and calculating them only for that
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token can save memory, which becomes pretty significant for long sequences or large vocabulary size.
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"""
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if (input_ids is None) ^ (inputs_embeds is not None):
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raise ValueError("You cannot specify both input_ids and inputs_embeds at the same time, and must specify either one")
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if pixel_values is not None and inputs_embeds is not None:
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raise ValueError("You cannot specify both pixel_values and inputs_embeds at the same time, and must specify either one")
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if pixel_values is not None and cross_attention_states is not None:
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raise ValueError("`pixel_values` and `cross_attention_states` cannot be provided simultaneously")
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if pixel_values is not None:
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if aspect_ratio_ids is None:
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raise ValueError("`aspect_ratio_ids` must be provided if `pixel_values` is provided")
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# get vision tokens from vision model
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cross_attn_key_values = self.visual_encoder(pixel_values, aspect_ratio_ids, aspect_ratio_mask)
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cross_attention_mask, full_text_row_masked_out_mask = self._prepare_cross_attention_mask(
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cross_attention_mask,
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past_key_values=past_key_values,
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num_vision_tokens=self.num_patches,
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cross_attention_layers=cross_attn_key_values if past_key_values is not None else None,
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cross_attention_states=((),),
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device=self.device,
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dtype=torch.float32,
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)
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if cross_attention_mask is not None and cache_position is not None:
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cross_attention_mask = cross_attention_mask[:, :, cache_position]
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full_text_row_masked_out_mask = full_text_row_masked_out_mask[:, :, cache_position]
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return self.language_model(
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input_ids=input_ids,
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attention_mask=attention_mask,
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position_ids=position_ids,
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cross_attention_mask=cross_attention_mask,
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full_text_row_masked_out_mask=full_text_row_masked_out_mask,
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past_key_values=past_key_values,
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cache_position=cache_position,
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cross_attention_key_values=cross_attn_key_values,
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)
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def language_model(
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self,
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input_ids,
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attention_mask,
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position_ids,
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cross_attention_mask,
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full_text_row_masked_out_mask,
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past_key_values,
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cache_position,
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cross_attention_key_values,
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):
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model_inputs = {
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"input_ids": ov.Tensor(np.array(input_ids)),
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"attention_mask": ov.Tensor(np.array(attention_mask)),
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"position_ids": ov.Tensor(np.array(position_ids)),
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"cross_attention_mask": ov.Tensor(np.array(cross_attention_mask)),
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"full_text_row_masked_out_mask": ov.Tensor(np.array(full_text_row_masked_out_mask)),
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"cache_position": ov.Tensor(np.array(cache_position)),
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}
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if past_key_values is None:
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self.request.reset_state()
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self.next_beam_idx = np.arange(input_ids.shape[0], dtype=int)
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self._past_length = 0
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self.llm_infer_time = []
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if not self.use_remote_tensors:
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model_inputs.update(dict(zip(self.lm_cross_attn_inputs, cross_attention_key_values)))
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if "beam_idx" in self.input_names:
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model_inputs["beam_idx"] = self.next_beam_idx if self.next_beam_idx is not None else np.arange(input_ids.shape[0], dtype=int)
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start = time.perf_counter()
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self.request.start_async(model_inputs, share_inputs=True)
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self.request.wait()
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end = time.perf_counter()
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self.llm_infer_time.append(end - start)
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logits = torch.from_numpy(self.request.get_tensor("logits").data)
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past_key_values = ((),)
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self._past_length += input_ids.shape[1]
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out = MLlamaOutputWithPast(logits=logits, past_key_values=past_key_values, cross_attn_key_values=cross_attention_key_values)
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return out
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def can_generate(self):
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"""Returns True to validate the check that the model using `GenerationMixin.generate()` can indeed generate."""
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return True
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def __call__(self, *args, **kwargs) -> MLlamaOutputWithPast:
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return self.forward(
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*args,
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**kwargs,
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)
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def _reorder_cache(self, past_key_values: Tuple[Tuple[torch.Tensor]], beam_idx: torch.Tensor) -> Tuple[Tuple[torch.Tensor]]:
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"""
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This function is used to re-order the `past_key_values` cache if [`~PreTrainedModel.beam_search`] or
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[`~PreTrainedModel.beam_sample`] is called.
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This is required to match `past_key_values` with the correct beam_idx at every generation step.
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"""
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self.next_beam_idx = np.array(beam_idx) # save beam_idx to be used as an input in the next iteration
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return past_key_values
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def prepare_inputs_for_generation(
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self,
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input_ids=None,
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inputs_embeds=None,
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attention_mask=None,
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position_ids=None,
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pixel_values=None,
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aspect_ratio_ids=None,
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aspect_ratio_mask=None,
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cross_attention_mask=None,
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past_key_values=None,
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use_cache=False,
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cache_position=None,
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cross_attn_key_values=None,
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num_logits_to_keep=None,
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**kwargs,
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):
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# If we have cache: let's slice `input_ids` through `cache_position`, to keep only the unprocessed tokens
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# Exception 1: when passing input_embeds, input_ids may be missing entries
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# Exception 2: some generation methods do special slicing of input_ids, so we don't need to do it here
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if past_key_values is not None:
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if inputs_embeds is not None: # Exception 1
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input_ids = input_ids[:, -cache_position.shape[0] :]
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349 |
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elif input_ids.shape[1] != cache_position.shape[0]: # Default case (the "else", a no op, is Exception 2)
|
350 |
-
input_ids = input_ids[:, cache_position]
|
351 |
-
|
352 |
-
if attention_mask is not None and position_ids is None:
|
353 |
-
# create position_ids on the fly for batch generation
|
354 |
-
position_ids = attention_mask.long().cumsum(-1) - 1
|
355 |
-
position_ids.masked_fill_(attention_mask == 0, 1)
|
356 |
-
if past_key_values:
|
357 |
-
position_ids = position_ids[:, -input_ids.shape[1] :]
|
358 |
-
|
359 |
-
# The clone here is for the same reason as for `position_ids`.
|
360 |
-
model_inputs = {"input_ids": input_ids, "inputs_embeds": None}
|
361 |
-
|
362 |
-
if num_logits_to_keep is not None:
|
363 |
-
model_inputs["num_logits_to_keep"] = num_logits_to_keep
|
364 |
-
|
365 |
-
model_inputs.update(
|
366 |
-
{
|
367 |
-
"position_ids": position_ids,
|
368 |
-
"cache_position": cache_position,
|
369 |
-
"past_key_values": past_key_values,
|
370 |
-
"use_cache": use_cache,
|
371 |
-
"attention_mask": attention_mask,
|
372 |
-
"cross_attention_mask": cross_attention_mask,
|
373 |
-
"cross_attn_key_values": cross_attn_key_values,
|
374 |
-
}
|
375 |
-
)
|
376 |
-
|
377 |
-
# If we're in pre-fill or cacheless decoding step, then we need pixel_values and aspect ratios
|
378 |
-
# to compute image hidden states, otherwise they are cache/home/ea/llama3.2/Llama-3.2-11B-Vision-Early/OVd within each cross attn layer
|
379 |
-
if (input_ids == self.config.image_token_index).any():
|
380 |
-
model_inputs["pixel_values"] = pixel_values
|
381 |
-
model_inputs["aspect_ratio_ids"] = aspect_ratio_ids
|
382 |
-
model_inputs["aspect_ratio_mask"] = aspect_ratio_mask
|
383 |
-
|
384 |
-
return model_inputs
|
385 |
-
|
386 |
-
def _update_model_kwargs_for_generation(self, outputs, model_kwargs, is_encoder_decoder, **kwargs):
|
387 |
-
cross_attention_mask_prev = model_kwargs.get("cross_attention_mask", None)
|
388 |
-
model_kwargs = super()._update_model_kwargs_for_generation(
|
389 |
-
outputs=outputs,
|
390 |
-
model_kwargs=model_kwargs,
|
391 |
-
is_encoder_decoder=is_encoder_decoder,
|
392 |
-
**kwargs,
|
393 |
-
)
|
394 |
-
|
395 |
-
# add cross-attn mask for new token
|
396 |
-
if cross_attention_mask_prev is not None:
|
397 |
-
model_kwargs["cross_attention_mask"] = torch.cat([cross_attention_mask_prev, cross_attention_mask_prev[:, -1:, ...]], dim=1)
|
398 |
-
model_kwargs["cross_attn_key_values"] = outputs.cross_attn_key_values
|
399 |
-
return model_kwargs
|
400 |
-
|
401 |
-
def _prepare_cross_attention_mask(
|
402 |
-
self,
|
403 |
-
cross_attention_mask: torch.Tensor,
|
404 |
-
past_key_values: Tuple,
|
405 |
-
num_vision_tokens: int,
|
406 |
-
cross_attention_states: torch.Tensor,
|
407 |
-
cross_attention_layers: List[int],
|
408 |
-
device: str,
|
409 |
-
dtype: str,
|
410 |
-
) -> Tuple[torch.Tensor, torch.Tensor]:
|
411 |
-
if cross_attention_mask is None:
|
412 |
-
# should we raise error or prepare a full attn mask with all ones?
|
413 |
-
return None, None
|
414 |
-
else:
|
415 |
-
# reshape so it can be used by attn module
|
416 |
-
batch_size, text_total_length, *_ = cross_attention_mask.shape
|
417 |
-
cross_attention_mask = cross_attention_mask.repeat_interleave(num_vision_tokens, dim=3)
|
418 |
-
cross_attention_mask = cross_attention_mask.view(batch_size, text_total_length, -1)
|
419 |
-
cross_attention_mask = cross_attention_mask.unsqueeze(1)
|
420 |
-
|
421 |
-
# invert the mask
|
422 |
-
inverted_cross_attn_mask = (1.0 - cross_attention_mask).to(dtype)
|
423 |
-
cross_attention_mask = inverted_cross_attn_mask.masked_fill(inverted_cross_attn_mask.to(torch.bool), torch.finfo(dtype).min)
|
424 |
-
|
425 |
-
# apply full-row bias, which return 4D tensor of shape [B, H, S1, 1] where value is 0 if the a full row in cross attn mask's
|
426 |
-
# last dimension contains negative infinity values, otherwise it's 1
|
427 |
-
negative_inf_value = torch.finfo(dtype).min
|
428 |
-
full_text_row_masked_out_mask = (cross_attention_mask != negative_inf_value).any(dim=-1).type_as(cross_attention_mask)[..., None]
|
429 |
-
cross_attention_mask *= full_text_row_masked_out_mask
|
430 |
-
|
431 |
-
# In case we receive a new image but already have previous cross-attention key/values in cache,
|
432 |
-
# then we need to extend the attention-mask and add previous images' lengths
|
433 |
-
if past_key_values is not None and cross_attention_states is not None and cross_attention_layers is not None:
|
434 |
-
# make all zeros mask for cross-attn-mask from previuos cached hidden_states, all zeros right?
|
435 |
-
# i.e. extend current cross-attn-mask on image-seq-length dimension to account for past_seen_tokens
|
436 |
-
past_cross_attn_kv_length = cross_attention_layers[0].shape[-2]
|
437 |
-
past_cross_attn_mask = torch.zeros((*cross_attention_mask.shape[:-1], past_cross_attn_kv_length), dtype=dtype, device=device)
|
438 |
-
# concatenate both on image-seq-length dimension
|
439 |
-
cross_attention_mask = torch.cat([past_cross_attn_mask, cross_attention_mask], dim=-1)
|
440 |
-
|
441 |
-
return cross_attention_mask, full_text_row_masked_out_mask
|
442 |
-
|
443 |
-
def visual_encoder(self, pixel_values, aspect_ratio_ids, aspect_ratio_mask):
|
444 |
-
if pixel_values is not None:
|
445 |
-
if aspect_ratio_ids is None:
|
446 |
-
raise ValueError("`aspect_ratio_ids` must be provided if `pixel_values` is provided")
|
447 |
-
self.vision_encoder_infer_time = []
|
448 |
-
start = time.perf_counter()
|
449 |
-
# get vision tokens from vision model
|
450 |
-
self.vision_request.start_async([pixel_values, aspect_ratio_ids, aspect_ratio_mask], share_inputs=True)
|
451 |
-
self.vision_request.wait()
|
452 |
-
end = time.perf_counter()
|
453 |
-
cross_attn_key_values = [self.vision_request.get_tensor(name) for name in self.cross_attn_outputs]
|
454 |
-
self.vision_encoder_infer_time.append(end - start)
|
455 |
-
return cross_attn_key_values
|
456 |
-
|
457 |
-
def prepare_vision_outputs(self, pixel_values, aspect_ratio_ids, aspect_ratio_mask, cross_attention_mask=None, past_key_values=None, cache_position=None):
|
458 |
-
cross_attn_key_values = self.visual_encoder(pixel_values, aspect_ratio_ids, aspect_ratio_mask)
|
459 |
-
cross_attn_key_values = [v.data for v in cross_attn_key_values]
|
460 |
-
cross_attention_mask, full_text_row_masked_out_mask = self._prepare_cross_attention_mask(
|
461 |
-
cross_attention_mask,
|
462 |
-
past_key_values=past_key_values,
|
463 |
-
num_vision_tokens=self.num_patches,
|
464 |
-
cross_attention_layers=cross_attn_key_values if past_key_values is not None else None,
|
465 |
-
cross_attention_states=1,
|
466 |
-
device=self.device,
|
467 |
-
dtype=torch.float32,
|
468 |
-
)
|
469 |
-
|
470 |
-
if cross_attention_mask is not None and cache_position is not None:
|
471 |
-
cross_attention_mask = cross_attention_mask[:, :, cache_position]
|
472 |
-
full_text_row_masked_out_mask = full_text_row_masked_out_mask[:, :, cache_position]
|
473 |
-
|
474 |
-
return {
|
475 |
-
"cross_attention_mask": cross_attention_mask,
|
476 |
-
"full_text_row_masked_out_mask": full_text_row_masked_out_mask,
|
477 |
-
"past_key_values": past_key_values,
|
478 |
-
"cache_position": cache_position,
|
479 |
-
"cross_attention_key_values": cross_attn_key_values,
|
480 |
-
}
|
481 |
-
|
482 |
-
def prepare_llm_inputs(
|
483 |
-
self,
|
484 |
-
input_ids,
|
485 |
-
attention_mask,
|
486 |
-
position_ids,
|
487 |
-
cross_attention_mask,
|
488 |
-
full_text_row_masked_out_mask,
|
489 |
-
past_key_values,
|
490 |
-
cache_position,
|
491 |
-
cross_attention_key_values,
|
492 |
-
):
|
493 |
-
model_inputs = {
|
494 |
-
"input_ids": input_ids,
|
495 |
-
"attention_mask": attention_mask,
|
496 |
-
"position_ids": position_ids,
|
497 |
-
"cross_attention_mask": cross_attention_mask,
|
498 |
-
"full_text_row_masked_out_mask": full_text_row_masked_out_mask,
|
499 |
-
"cache_position": cache_position,
|
500 |
-
}
|
501 |
-
|
502 |
-
if past_key_values is None:
|
503 |
-
self.request.reset_state()
|
504 |
-
self.next_beam_idx = np.arange(input_ids.shape[0], dtype=int)
|
505 |
-
self._past_length = 0
|
506 |
-
|
507 |
-
model_inputs.update(dict(zip(self.lm_cross_attn_inputs, cross_attention_key_values)))
|
508 |
-
if "beam_idx" in self.input_names:
|
509 |
-
model_inputs["beam_idx"] = self.next_beam_idx if self.next_beam_idx is not None else np.arange(input_ids.shape[0], dtype=int)
|
510 |
-
|
511 |
-
return model_inputs
|
512 |
-
|
513 |
-
def prepare_remote_tensors(self):
|
514 |
-
context = core.get_default_context("GPU")
|
515 |
-
for idx, name in enumerate(self.lm_cross_attn_inputs):
|
516 |
-
remote_tensor = context.create_tensor(ov.Type.f16, ov.Shape([1, 32, 6404, 128]), {})
|
517 |
-
self.vision_request.set_tensor(self.cross_attn_outputs[idx], remote_tensor)
|
518 |
-
self.request.set_tensor(name, remote_tensor)
|
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