vbatts/llama.cpp
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Add super wip scripts for multimodal granite gguf

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Signed-off-by: Alex-Brooks <Alex.Brooks@ibm.com>
This commit is contained in:
Alex-Brooks 2025-01-16 14:54:31 -07:00
parent d774ab3acc
commit 6ccf234031
4 changed files with 119 additions and 20 deletions
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26
examples/llava/convert_image_encoder_to_gguf.py
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@ -6,7 +6,7 @@ import re
import torch
import numpy as np
from gguf import *
from transformers import CLIPModel, CLIPProcessor, CLIPVisionModel
from transformers import CLIPModel, CLIPProcessor, CLIPVisionModel, SiglipModel, SiglipProcessor, SiglipVisionModel
TEXT = "clip.text"
VISION = "clip.vision"
@ -85,6 +85,8 @@ ap.add_argument("--clip-model-is-vision", action="store_true", required=False,
help="The clip model is a pure vision model (ShareGPT4V vision extract for example)")
ap.add_argument("--clip-model-is-openclip", action="store_true", required=False,
help="The clip model is from openclip (for ViT-SO400M type))")
ap.add_argument("--clip-model-is-siglip", action="store_true", required=False,
help="the visual encoder is Siglip.")
ap.add_argument("--llava-projector", help="Path to llava.projector file. If specified, save an image encoder for LLaVA models.")
ap.add_argument("--projector-type", help="Type of projector. Possible values: mlp, ldp, ldpv2", choices=["mlp", "ldp", "ldpv2"], default="mlp")
ap.add_argument("-o", "--output-dir", help="Directory to save GGUF files. Default is the original model directory", default=None)
@ -109,7 +111,7 @@ if args.use_f32:
# output in the same directory as the model if output_dir is None
dir_model = args.model_dir
if args.clip_model_is_vision or not os.path.exists(dir_model + "/vocab.json") or args.clip_model_is_openclip:
if args.clip_model_is_vision or not os.path.exists(dir_model + "/vocab.json") or args.clip_model_is_openclip or args.clip_model_is_siglip:
vocab = None
tokens = None
else:
@ -137,7 +139,11 @@ ftype = 1
if args.use_f32:
ftype = 0
if args.clip_model_is_vision or args.clip_model_is_openclip:
# HACK - not sure if we need the vision model of the model + processor; check the difference
if args.clip_model_is_vision or args.clip_model_is_siglip:
model = SiglipVisionModel.from_pretrained(dir_model)
processor = None
elif args.clip_model_is_vision or args.clip_model_is_openclip:
model = CLIPVisionModel.from_pretrained(dir_model)
processor = None
else:
@ -187,26 +193,34 @@ else:
if has_text_encoder:
assert t_hparams is not None
assert tokens is not None
if args.clip_model_is_siglip:
text_projection_dim = 0
else:
text_projection_dim = t_hparams.get("projection_dim", config["projection_dim"])
# text_model hparams
fout.add_uint32(k(KEY_CONTEXT_LENGTH, TEXT), t_hparams["max_position_embeddings"])
fout.add_uint32(k(KEY_EMBEDDING_LENGTH, TEXT), t_hparams["hidden_size"])
fout.add_uint32(k(KEY_FEED_FORWARD_LENGTH, TEXT), t_hparams["intermediate_size"])
fout.add_uint32("clip.text.projection_dim", t_hparams.get("projection_dim", config["projection_dim"]))
fout.add_uint32("clip.text.projection_dim", text_projection_dim)
fout.add_uint32(k(KEY_ATTENTION_HEAD_COUNT, TEXT), t_hparams["num_attention_heads"])
fout.add_float32(k(KEY_ATTENTION_LAYERNORM_EPS, TEXT), t_hparams["layer_norm_eps"])
fout.add_uint32(k(KEY_BLOCK_COUNT, TEXT), t_hparams["num_hidden_layers"])
fout.add_token_list(tokens)
if has_vision_encoder:
if args.clip_model_is_siglip:
visual_projection_dim = 0
else:
visual_projection_dim = v_hparams.get("projection_dim", config["projection_dim"])
# vision_model hparams
fout.add_uint32("clip.vision.image_size", v_hparams["image_size"])
fout.add_uint32("clip.vision.patch_size", v_hparams["patch_size"])
fout.add_uint32(k(KEY_EMBEDDING_LENGTH, VISION), v_hparams["hidden_size"])
fout.add_uint32(k(KEY_FEED_FORWARD_LENGTH, VISION), v_hparams["intermediate_size"])
fout.add_uint32("clip.vision.projection_dim", v_hparams.get("projection_dim", config["projection_dim"]))
fout.add_uint32("clip.vision.projection_dim", visual_projection_dim)
fout.add_uint32(k(KEY_ATTENTION_HEAD_COUNT, VISION), v_hparams["num_attention_heads"])
fout.add_float32(k(KEY_ATTENTION_LAYERNORM_EPS, VISION), v_hparams["layer_norm_eps"])
block_count = v_hparams["num_hidden_layers"] - 1 if has_llava_projector else v_hparams["num_hidden_layers"]
block_count = v_hparams["num_hidden_layers"] - 1 if has_llava_projector else v_hparams["num_hidden_layers"] # Why is this decremented? Should be 27...
fout.add_uint32(k(KEY_BLOCK_COUNT, VISION), block_count)
# /**
# "image_grid_pinpoints": [