Unverified Commit 6ca2c91b authored by Itay Etelis's avatar Itay Etelis Committed by GitHub
Browse files

[Model] Use mm_position to compute mrope positions for Qwen3-Omni (#33010)


Signed-off-by: default avatarItay Etelis <itay.etelis@ibm.com>
Co-authored-by: default avatarItay Etelis <itay.etelis@ibm.com>
parent e33192b2
...@@ -2,7 +2,7 @@ ...@@ -2,7 +2,7 @@
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project # SPDX-FileCopyrightText: Copyright contributors to the vLLM project
""" """
This example shows how to use vLLM for running offline inference This example shows how to use vLLM for running offline inference
with the correct prompt format on Qwen2.5-Omni (thinker only). with the correct prompt format on Qwen3-Omni (thinker only).
""" """
from typing import NamedTuple from typing import NamedTuple
...@@ -112,23 +112,51 @@ def get_multi_audios_query() -> QueryResult: ...@@ -112,23 +112,51 @@ def get_multi_audios_query() -> QueryResult:
) )
def get_multi_images_query() -> QueryResult:
question = "What are the differences between these two images?"
prompt = (
f"<|im_start|>system\n{default_system}<|im_end|>\n"
"<|im_start|>user\n<|vision_start|><|image_pad|><|vision_end|>"
"<|vision_start|><|image_pad|><|vision_end|>"
f"{question}<|im_end|>\n"
f"<|im_start|>assistant\n"
)
return QueryResult(
inputs={
"prompt": prompt,
"multi_modal_data": {
"image": [
convert_image_mode(ImageAsset("cherry_blossom").pil_image, "RGB"),
convert_image_mode(ImageAsset("stop_sign").pil_image, "RGB"),
],
},
},
limit_mm_per_prompt={
"image": 2,
},
)
query_map = { query_map = {
"mixed_modalities": get_mixed_modalities_query, "mixed_modalities": get_mixed_modalities_query,
"use_audio_in_video": get_use_audio_in_video_query, "use_audio_in_video": get_use_audio_in_video_query,
"multi_audios": get_multi_audios_query, "multi_audios": get_multi_audios_query,
"multi_images": get_multi_images_query,
} }
def main(args): def main(args):
model_name = "Qwen/Qwen3-Omni-30B-A3B-Instruct" model_name = args.model
query_result = query_map[args.query_type]() query_result = query_map[args.query_type]()
llm = LLM( llm = LLM(
model=model_name, model=model_name,
max_model_len=12800, max_model_len=args.max_model_len,
max_num_seqs=5, max_num_seqs=5,
limit_mm_per_prompt=query_result.limit_mm_per_prompt, limit_mm_per_prompt=query_result.limit_mm_per_prompt,
seed=args.seed, seed=args.seed,
tensor_parallel_size=args.tensor_parallel_size,
gpu_memory_utilization=args.gpu_memory_utilization,
) )
# We set temperature to 0.2 so that outputs can be different # We set temperature to 0.2 so that outputs can be different
...@@ -161,6 +189,31 @@ def parse_args(): ...@@ -161,6 +189,31 @@ def parse_args():
default=0, default=0,
help="Set the seed when initializing `vllm.LLM`.", help="Set the seed when initializing `vllm.LLM`.",
) )
parser.add_argument(
"--model",
type=str,
default="Qwen/Qwen3-Omni-30B-A3B-Instruct",
help="Model name or path.",
)
parser.add_argument(
"--tensor-parallel-size",
"-tp",
type=int,
default=1,
help="Tensor parallel size for distributed inference.",
)
parser.add_argument(
"--gpu-memory-utilization",
type=float,
default=0.9,
help="GPU memory utilization (0.0 to 1.0).",
)
parser.add_argument(
"--max-model-len",
type=int,
default=12800,
help="Maximum model context length.",
)
return parser.parse_args() return parser.parse_args()
......
...@@ -22,7 +22,7 @@ ...@@ -22,7 +22,7 @@
# limitations under the License. # limitations under the License.
"""Inference-only Qwen3-Omni-Moe model (thinker part).""" """Inference-only Qwen3-Omni-Moe model (thinker part)."""
from collections.abc import Callable, Iterable, Mapping, Sequence from collections.abc import Callable, Iterable, Iterator, Mapping, Sequence
from functools import partial from functools import partial
from typing import Any from typing import Any
...@@ -104,10 +104,7 @@ from .utils import ( ...@@ -104,10 +104,7 @@ from .utils import (
_merge_multimodal_embeddings, _merge_multimodal_embeddings,
maybe_prefix, maybe_prefix,
) )
from .vision import ( from .vision import get_vit_attn_backend
get_llm_pos_ids_for_vision,
get_vit_attn_backend,
)
logger = init_logger(__name__) logger = init_logger(__name__)
...@@ -1867,323 +1864,268 @@ class Qwen3OmniMoeThinkerForConditionalGeneration( ...@@ -1867,323 +1864,268 @@ class Qwen3OmniMoeThinkerForConditionalGeneration(
return loaded_weights return loaded_weights
def get_mrope_input_positions( def _compute_audio_token_count(self, audio_feature_length: int) -> int:
self, """Compute audio tokens from feature length using Qwen3-Omni formula."""
input_tokens: list[int], return _get_feat_extract_output_lengths(
mm_features: list[MultiModalFeatureSpec], torch.tensor([audio_feature_length])
) -> tuple[torch.Tensor, int]: ).item()
kwargs = MultiModalFeatureSpec.gather_kwargs(
mm_features,
{
"image_grid_thw",
"video_grid_thw",
"second_per_grid_ts",
"audio_feature_lengths",
"use_audio_in_video",
},
)
image_grid_thw = kwargs.get("image_grid_thw", [])
video_grid_thw = kwargs.get("video_grid_thw", [])
second_per_grid_ts = kwargs.get("second_per_grid_ts", [])
audio_feature_lengths = kwargs.get("audio_feature_lengths", [])
use_audio_in_video = any(kwargs.get("use_audio_in_video", []))
image_grid_thw = (torch.stack if image_grid_thw else torch.tensor)(
image_grid_thw
)
video_grid_thw = (torch.stack if video_grid_thw else torch.tensor)(
video_grid_thw
)
input_ids = torch.tensor(input_tokens)
if input_ids is None or input_ids.ndim != 1:
raise ValueError("_omni3_get_input_positions_tensor expects 1D input_ids")
seq_len = input_ids.shape[0] def _get_audio_for_video_mapping(
self, mm_features: list[MultiModalFeatureSpec]
) -> tuple[dict[int, int], set[int]]:
"""
Map video offset -> paired audio_feature_length for use_audio_in_video.
if isinstance(audio_feature_lengths, list): When use_audio_in_video=True, audio is interleaved within video.
audio_feature_lengths = torch.tensor( The pairing is based on feature order in mm_features.
audio_feature_lengths, dtype=torch.long
)
if not len(second_per_grid_ts) and len(video_grid_thw): Returns:
second_per_grid_ts = 2.0 Tuple of (video_offset -> audio_feature_length mapping,
second_per_grids = ( set of paired audio offsets to skip)
torch.ones(len(video_grid_thw), dtype=torch.float32) """
* second_per_grid_ts videos_with_audio = [
) f
else: for f in mm_features
second_per_grids = torch.tensor(second_per_grid_ts, dtype=torch.float32) if f.modality == "video"
and f.data.get("use_audio_in_video")
and f.data["use_audio_in_video"].data.item()
]
audios = [f for f in mm_features if f.modality == "audio"]
mapping: dict[int, int] = {}
paired_audio_offsets: set[int] = set()
for i, video_f in enumerate(videos_with_audio):
if i < len(audios):
audio_len = audios[i].data["audio_feature_lengths"].data.item()
mapping[video_f.mm_position.offset] = audio_len
paired_audio_offsets.add(audios[i].mm_position.offset)
return mapping, paired_audio_offsets
def iter_mm_features(
self, mm_features: list[MultiModalFeatureSpec]
) -> Iterator[tuple[int, str, dict[str, Any]]]:
"""
Iterate over multimodal features sorted by position offset.
Yields: (offset, modality, feature_data) where feature_data contains:
- image: {"grid_t", "grid_h", "grid_w", "t_factor"}
- video: {"grid_t", "grid_h", "grid_w", "t_factor",
"use_audio_in_video", "audio_feature_length"}
- audio: {"audio_feature_length"}
"""
config = self.config config = self.config
spatial_merge_size = config.vision_config.spatial_merge_size spatial_merge_size = config.vision_config.spatial_merge_size
image_token_id = config.image_token_id
video_token_id = config.video_token_id
audio_token_id = config.audio_token_id
vision_start_token_id = config.vision_start_token_id
audio_start_token_id = config.audio_start_token_id
position_id_per_seconds = config.position_id_per_seconds position_id_per_seconds = config.position_id_per_seconds
vision_start_indices = torch.argwhere( sorted_features = sorted(mm_features, key=lambda f: f.mm_position.offset)
input_ids == vision_start_token_id audio_for_video, paired_audio_offsets = self._get_audio_for_video_mapping(
).squeeze(1) sorted_features
if vision_start_indices.numel() > 0:
vision_tokens = input_ids[vision_start_indices + 1]
else:
vision_tokens = input_ids.new_empty((0,), dtype=input_ids.dtype)
audio_nums = torch.sum(input_ids == audio_start_token_id)
image_nums = (vision_tokens == image_token_id).sum()
video_nums = (
(vision_tokens == audio_start_token_id).sum()
if use_audio_in_video
else (vision_tokens == video_token_id).sum()
) )
llm_pos_ids_list: list[torch.Tensor] = [] for mm_feature in sorted_features:
st = 0 offset = mm_feature.mm_position.offset
image_idx = 0 modality = mm_feature.modality
video_idx = 0
audio_idx = 0
remain_images, remain_videos, remain_audios = image_nums, video_nums, audio_nums # noqa: E501
multimodal_nums = (
image_nums + audio_nums
if use_audio_in_video
else image_nums + video_nums + audio_nums
) # noqa: E501
for _ in range(multimodal_nums): if modality == "image":
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0 t, h, w = mm_feature.data["image_grid_thw"].data.tolist()
if (image_token_id in input_tokens or video_token_id in input_tokens) and ( yield (
remain_videos > 0 or remain_images > 0 offset,
): "image",
ed_vision_start = input_tokens.index(vision_start_token_id, st) {
else: "grid_t": t,
ed_vision_start = len(input_tokens) + 1 "grid_h": h // spatial_merge_size,
if audio_token_id in input_tokens and remain_audios > 0: "grid_w": w // spatial_merge_size,
ed_audio_start = input_tokens.index(audio_start_token_id, st) "t_factor": position_id_per_seconds,
else: },
ed_audio_start = len(input_tokens) + 1
min_ed = min(ed_vision_start, ed_audio_start)
if min_ed == ed_audio_start:
text_len = min_ed - st
if text_len != 0:
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
llm_pos_ids_list.append(
torch.arange(text_len, dtype=torch.long)
.view(1, -1)
.expand(3, -1)
+ st_idx
)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
bos_len = 1
llm_pos_ids_list.append(
torch.arange(bos_len, dtype=torch.long).view(1, -1).expand(3, -1)
+ st_idx
)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
audio_len = _get_feat_extract_output_lengths(
audio_feature_lengths[audio_idx]
) )
llm_pos_ids = ( elif modality == "video":
torch.arange(audio_len, dtype=torch.long).view(1, -1).expand(3, -1) t, h, w = mm_feature.data["video_grid_thw"].data.tolist()
+ st_idx second_per_grid_ts = 2.0
if mm_feature.data.get("second_per_grid_ts"):
second_per_grid_ts = mm_feature.data[
"second_per_grid_ts"
].data.item()
use_audio_in_video = bool(
mm_feature.data.get("use_audio_in_video")
and mm_feature.data["use_audio_in_video"].data.item()
) )
llm_pos_ids_list.append(llm_pos_ids)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0 yield (
eos_len = 1 offset,
llm_pos_ids_list.append( "video",
torch.arange(eos_len, dtype=torch.long).view(1, -1).expand(3, -1) {
+ st_idx "grid_t": t,
"grid_h": h // spatial_merge_size,
"grid_w": w // spatial_merge_size,
"t_factor": second_per_grid_ts * position_id_per_seconds,
"use_audio_in_video": use_audio_in_video,
"audio_feature_length": audio_for_video.get(offset),
},
) )
st += text_len + bos_len + audio_len + eos_len elif modality == "audio":
if offset not in paired_audio_offsets:
audio_len = mm_feature.data["audio_feature_lengths"].data.item()
yield offset, "audio", {"audio_feature_length": audio_len}
def _compute_interleaved_positions(
self, start_idx: int, data: dict[str, Any]
) -> tuple[np.ndarray, int]:
"""
Compute positions for interleaved video+audio using Qwen3 token-by-token
interleaving logic.
Returns: (position_ids [3, N], total_token_count)
"""
grid_t = data["grid_t"]
grid_h = data["grid_h"]
grid_w = data["grid_w"]
t_factor = data["t_factor"]
audio_feature_length = data["audio_feature_length"]
audio_len = self._compute_audio_token_count(audio_feature_length)
h_index = np.tile(
np.arange(grid_h).reshape(1, -1, 1), (grid_t, 1, grid_w)
).flatten()
w_index = np.tile(
np.arange(grid_w).reshape(1, 1, -1), (grid_t, grid_h, 1)
).flatten()
t_index_raw = np.arange(grid_t)
t_index_scaled = (t_index_raw * t_factor).astype(np.int64)
t_index = np.repeat(t_index_scaled, grid_h * grid_w)
video_pos = np.stack([t_index, h_index, w_index]) + start_idx
audio_pos = np.broadcast_to(np.arange(audio_len), (3, audio_len)) + start_idx
video_t_values = video_pos[0]
audio_t_values = audio_pos[0]
pos_ids_list: list[np.ndarray] = []
video_idx, audio_idx = 0, 0
num_video = grid_t * grid_h * grid_w
while video_idx < num_video and audio_idx < audio_len:
if video_t_values[video_idx] <= audio_t_values[audio_idx]:
pos_ids_list.append(video_pos[:, video_idx : video_idx + 1])
video_idx += 1
else:
pos_ids_list.append(audio_pos[:, audio_idx : audio_idx + 1])
audio_idx += 1 audio_idx += 1
remain_audios -= 1
elif ( if video_idx < num_video:
min_ed == ed_vision_start pos_ids_list.append(video_pos[:, video_idx:])
and input_ids[ed_vision_start + 1] == image_token_id if audio_idx < audio_len:
): pos_ids_list.append(audio_pos[:, audio_idx:])
text_len = min_ed - st
if text_len != 0: total_tokens = num_video + audio_len
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0 return np.concatenate(pos_ids_list, axis=1), total_tokens
llm_pos_ids_list.append(
torch.arange(text_len, dtype=torch.long) def get_mrope_input_positions(
.view(1, -1) self,
.expand(3, -1) input_tokens: list[int],
+ st_idx mm_features: list[MultiModalFeatureSpec],
) ) -> tuple[torch.Tensor, int]:
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0 """Compute M-RoPE input positions using mm_features directly."""
bos_len = 1 seq_len = len(input_tokens)
llm_pos_ids_list.append(
torch.arange(bos_len, dtype=torch.long).view(1, -1).expand(3, -1) llm_pos_ids_list: list[np.ndarray] = []
+ st_idx st = 0
)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0 for offset, modality, data in self.iter_mm_features(mm_features):
grid_t = image_grid_thw[image_idx][0] text_len = offset - st
grid_hs = image_grid_thw[:, 1] st_idx = int(llm_pos_ids_list[-1].max()) + 1 if llm_pos_ids_list else 0
grid_ws = image_grid_thw[:, 2]
t_index = torch.arange(grid_t) * position_id_per_seconds if text_len > 0:
llm_pos_ids = get_llm_pos_ids_for_vision(
st_idx, image_idx, spatial_merge_size, t_index, grid_hs, grid_ws
)
image_len = image_grid_thw[image_idx].prod() // (spatial_merge_size**2)
llm_pos_ids_list.append(llm_pos_ids)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
eos_len = 1
llm_pos_ids_list.append(
torch.arange(eos_len, dtype=torch.long).view(1, -1).expand(3, -1)
+ st_idx
)
st += text_len + bos_len + image_len + eos_len
image_idx += 1
remain_images -= 1
elif (
min_ed == ed_vision_start
and input_ids[ed_vision_start + 1] == video_token_id
and not use_audio_in_video
):
text_len = min_ed - st
if text_len != 0:
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
llm_pos_ids_list.append(
torch.arange(text_len, dtype=torch.long)
.view(1, -1)
.expand(3, -1)
+ st_idx
)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
bos_len = 1
llm_pos_ids_list.append(
torch.arange(bos_len, dtype=torch.long).view(1, -1).expand(3, -1)
+ st_idx
)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
grid_t = video_grid_thw[video_idx][0]
grid_hs = video_grid_thw[:, 1]
grid_ws = video_grid_thw[:, 2]
t_index = (
torch.arange(grid_t)
* float(second_per_grids[video_idx].item())
* position_id_per_seconds
)
llm_pos_ids = get_llm_pos_ids_for_vision(
st_idx, video_idx, spatial_merge_size, t_index, grid_hs, grid_ws
)
video_len = video_grid_thw[video_idx].prod() // (spatial_merge_size**2)
llm_pos_ids_list.append(llm_pos_ids)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
eos_len = 1
llm_pos_ids_list.append( llm_pos_ids_list.append(
torch.arange(eos_len, dtype=torch.long).view(1, -1).expand(3, -1) np.broadcast_to(np.arange(text_len), (3, text_len)) + st_idx
+ st_idx
) )
st += text_len + bos_len + video_len + eos_len st_idx += text_len
video_idx += 1
remain_videos -= 1 bos_pos = np.broadcast_to(np.array([st_idx]), (3, 1))
elif ( llm_pos_ids_list.append(bos_pos)
min_ed == ed_vision_start st_idx += 1
and ed_vision_start + 1 == ed_audio_start
and use_audio_in_video if modality == "audio":
): audio_tokens = self._compute_audio_token_count(
text_len = min_ed - st data["audio_feature_length"]
if text_len != 0:
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
llm_pos_ids_list.append(
torch.arange(text_len, dtype=torch.long)
.view(1, -1)
.expand(3, -1)
+ st_idx
)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
bos_len = 1
bos_block = (
torch.arange(bos_len, dtype=torch.long).view(1, -1).expand(3, -1)
+ st_idx
)
llm_pos_ids_list.append(bos_block)
llm_pos_ids_list.append(bos_block)
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
audio_len = _get_feat_extract_output_lengths(
audio_feature_lengths[audio_idx]
)
audio_llm_pos_ids = (
torch.arange(audio_len, dtype=torch.long).view(1, -1).expand(3, -1)
+ st_idx
)
grid_t = video_grid_thw[video_idx][0]
grid_hs = video_grid_thw[:, 1]
grid_ws = video_grid_thw[:, 2]
t_index = (
torch.arange(grid_t)
* float(second_per_grids[video_idx].item())
* position_id_per_seconds
) )
video_llm_pos_ids = get_llm_pos_ids_for_vision( audio_pos = (
st_idx, video_idx, spatial_merge_size, t_index, grid_hs, grid_ws np.broadcast_to(np.arange(audio_tokens), (3, audio_tokens)) + st_idx
) )
video_data_index, audio_data_index = 0, 0 llm_pos_ids_list.append(audio_pos)
while ( st_idx = int(audio_pos.max()) + 1
video_data_index < video_llm_pos_ids.shape[-1]
and audio_data_index < audio_llm_pos_ids.shape[-1] eos_pos = np.broadcast_to(np.array([st_idx]), (3, 1))
): llm_pos_ids_list.append(eos_pos)
if ( st = offset + 1 + audio_tokens + 1
video_llm_pos_ids[0][video_data_index]
<= audio_llm_pos_ids[0][audio_data_index] elif modality == "image":
): grid_t = data["grid_t"]
llm_pos_ids_list.append( grid_h = data["grid_h"]
video_llm_pos_ids[ grid_w = data["grid_w"]
:, video_data_index : video_data_index + 1 t_factor = data["t_factor"]
]
) grid_indices = np.indices((grid_t, grid_h, grid_w))
video_data_index += 1 if t_factor != 1.0:
else: grid_indices[0] = (grid_indices[0] * t_factor).astype(np.int64)
llm_pos_ids_list.append( llm_pos_ids_list.append(grid_indices.reshape(3, -1) + st_idx)
audio_llm_pos_ids[
:, audio_data_index : audio_data_index + 1 image_len = grid_t * grid_h * grid_w
] st_idx = int(llm_pos_ids_list[-1].max()) + 1
)
audio_data_index += 1 eos_pos = np.broadcast_to(np.array([st_idx]), (3, 1))
if video_data_index < video_llm_pos_ids.shape[-1]: llm_pos_ids_list.append(eos_pos)
llm_pos_ids_list.append( st = offset + 1 + image_len + 1
video_llm_pos_ids[
:, video_data_index : video_llm_pos_ids.shape[-1] elif modality == "video":
] grid_t = data["grid_t"]
) grid_h = data["grid_h"]
if audio_data_index < audio_llm_pos_ids.shape[-1]: grid_w = data["grid_w"]
llm_pos_ids_list.append( t_factor = data["t_factor"]
audio_llm_pos_ids[
:, audio_data_index : audio_llm_pos_ids.shape[-1] if not data["use_audio_in_video"]:
] grid_indices = np.indices((grid_t, grid_h, grid_w))
if t_factor != 1.0:
grid_indices[0] = (grid_indices[0] * t_factor).astype(np.int64)
llm_pos_ids_list.append(grid_indices.reshape(3, -1) + st_idx)
video_len = grid_t * grid_h * grid_w
st_idx = int(llm_pos_ids_list[-1].max()) + 1
eos_pos = np.broadcast_to(np.array([st_idx]), (3, 1))
llm_pos_ids_list.append(eos_pos)
st = offset + 1 + video_len + 1
else:
audio_bos_pos = np.broadcast_to(np.array([st_idx - 1]), (3, 1))
llm_pos_ids_list.append(audio_bos_pos)
pos_ids, _ = self._compute_interleaved_positions(st_idx, data)
llm_pos_ids_list.append(pos_ids)
st_idx = int(pos_ids.max()) + 1
eos_pos = np.broadcast_to(np.array([st_idx]), (3, 1))
llm_pos_ids_list.append(eos_pos)
llm_pos_ids_list.append(eos_pos)
video_len = grid_t * grid_h * grid_w
audio_len = self._compute_audio_token_count(
data["audio_feature_length"]
) )
video_len = video_grid_thw[video_idx].prod() // (spatial_merge_size**2) st = offset + 2 + video_len + audio_len + 2
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0
eos_len = 1
eos_block = (
torch.arange(eos_len, dtype=torch.long).view(1, -1).expand(3, -1)
+ st_idx
)
llm_pos_ids_list.append(eos_block)
llm_pos_ids_list.append(eos_block)
st += text_len + bos_len * 2 + audio_len + video_len + eos_len * 2 # noqa: E501
audio_idx += 1
video_idx += 1
remain_videos -= 1
remain_audios -= 1
if st < len(input_tokens): if st < seq_len:
st_idx = llm_pos_ids_list[-1].max() + 1 if llm_pos_ids_list else 0 st_idx = int(llm_pos_ids_list[-1].max()) + 1 if llm_pos_ids_list else 0
text_len = len(input_tokens) - st text_len = seq_len - st
llm_pos_ids_list.append( llm_pos_ids_list.append(
torch.arange(text_len, dtype=torch.long).view(1, -1).expand(3, -1) np.broadcast_to(np.arange(text_len), (3, text_len)) + st_idx
+ st_idx
) )
llm_positions = torch.cat(llm_pos_ids_list, dim=1).reshape(3, -1) llm_positions = np.concatenate(llm_pos_ids_list, axis=1).reshape(3, -1)
if llm_positions.shape[1] != seq_len: if llm_positions.shape[1] != seq_len:
raise RuntimeError("Position ids length mismatch with input ids length") raise RuntimeError("Position ids length mismatch with input ids length")
mrope_position_delta = llm_positions.max() + 1 - seq_len mrope_position_delta = int(llm_positions.max()) + 1 - seq_len
return llm_positions, mrope_position_delta return torch.from_numpy(llm_positions), mrope_position_delta
def get_mm_mapping(self) -> MultiModelKeys: def get_mm_mapping(self) -> MultiModelKeys:
""" """
......
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