llama.cpp/gguf-py/scripts/gguf-dump.py

290 lines
13 KiB
Python
Executable File

#!/usr/bin/env python3
from __future__ import annotations
import logging
import argparse
import os
import sys
from pathlib import Path
from typing import Any
import numpy as np
# Necessary to load the local gguf package
if "NO_LOCAL_GGUF" not in os.environ and (Path(__file__).parent.parent.parent / 'gguf-py').exists():
sys.path.insert(0, str(Path(__file__).parent.parent))
from gguf import GGUFReader, GGUFValueType # noqa: E402
logger = logging.getLogger("gguf-dump")
def get_file_host_endian(reader: GGUFReader) -> tuple[str, str]:
host_endian = 'LITTLE' if np.uint32(1) == np.uint32(1).newbyteorder("<") else 'BIG'
if reader.byte_order == 'S':
file_endian = 'BIG' if host_endian == 'LITTLE' else 'LITTLE'
else:
file_endian = host_endian
return (host_endian, file_endian)
# For more information about what field.parts and field.data represent,
# please see the comments in the modify_gguf.py example.
def dump_metadata(reader: GGUFReader, args: argparse.Namespace) -> None:
host_endian, file_endian = get_file_host_endian(reader)
print(f'* File is {file_endian} endian, script is running on a {host_endian} endian host.') # noqa: NP100
print(f'* Dumping {len(reader.fields)} key/value pair(s)') # noqa: NP100
for n, field in enumerate(reader.fields.values(), 1):
if not field.types:
pretty_type = 'N/A'
elif field.types[0] == GGUFValueType.ARRAY:
nest_count = len(field.types) - 1
pretty_type = '[' * nest_count + str(field.types[-1].name) + ']' * nest_count
else:
pretty_type = str(field.types[-1].name)
log_message = f' {n:5}: {pretty_type:10} | {len(field.data):8} | {field.name}'
if len(field.types) == 1:
curr_type = field.types[0]
if curr_type == GGUFValueType.STRING:
log_message += ' = {0}'.format(repr(str(bytes(field.parts[-1]), encoding='utf-8')[:60]))
elif field.types[0] in reader.gguf_scalar_to_np:
log_message += ' = {0}'.format(field.parts[-1][0])
print(log_message) # noqa: NP100
if args.no_tensors:
return
print(f'* Dumping {len(reader.tensors)} tensor(s)') # noqa: NP100
for n, tensor in enumerate(reader.tensors, 1):
prettydims = ', '.join('{0:5}'.format(d) for d in list(tensor.shape) + [1] * (4 - len(tensor.shape)))
print(f' {n:5}: {tensor.n_elements:10} | {prettydims} | {tensor.tensor_type.name:7} | {tensor.name}') # noqa: NP100
def dump_metadata_json(reader: GGUFReader, args: argparse.Namespace) -> None:
import json
host_endian, file_endian = get_file_host_endian(reader)
metadata: dict[str, Any] = {}
tensors: dict[str, Any] = {}
result = {
"filename": args.model,
"endian": file_endian,
"metadata": metadata,
"tensors": tensors,
}
for idx, field in enumerate(reader.fields.values()):
curr: dict[str, Any] = {
"index": idx,
"type": field.types[0].name if field.types else 'UNKNOWN',
"offset": field.offset,
}
metadata[field.name] = curr
if field.types[:1] == [GGUFValueType.ARRAY]:
curr["array_types"] = [t.name for t in field.types][1:]
if not args.json_array:
continue
itype = field.types[-1]
if itype == GGUFValueType.STRING:
curr["value"] = [str(bytes(field.parts[idx]), encoding="utf-8") for idx in field.data]
else:
curr["value"] = [pv for idx in field.data for pv in field.parts[idx].tolist()]
elif field.types[0] == GGUFValueType.STRING:
curr["value"] = str(bytes(field.parts[-1]), encoding="utf-8")
else:
curr["value"] = field.parts[-1].tolist()[0]
if not args.no_tensors:
for idx, tensor in enumerate(reader.tensors):
tensors[tensor.name] = {
"index": idx,
"shape": tensor.shape.tolist(),
"type": tensor.tensor_type.name,
"offset": tensor.field.offset,
}
json.dump(result, sys.stdout)
def element_count_rounded_notation(count: int) -> str:
if count > 1e15 :
# Quadrillion
scaled_amount = count * 1e-15
scale_suffix = "Q"
elif count > 1e12 :
# Trillions
scaled_amount = count * 1e-12
scale_suffix = "T"
elif count > 1e9 :
# Billions
scaled_amount = count * 1e-9
scale_suffix = "B"
elif count > 1e6 :
# Millions
scaled_amount = count * 1e-6
scale_suffix = "M"
elif count > 1e3 :
# Thousands
scaled_amount = count * 1e-3
scale_suffix = "K"
else:
# Under Thousands
scaled_amount = count
scale_suffix = ""
return f"{'~' if count > 1e3 else ''}{round(scaled_amount)}{scale_suffix}"
def translate_tensor_name(name):
words = name.split(".")
# Source: https://github.com/ggerganov/ggml/blob/master/docs/gguf.md#standardized-tensor-names
abbreviation_dictionary = {
'token_embd': 'Token embedding',
'pos_embd': 'Position embedding',
'output_norm': 'Output normalization',
'output': 'Output',
'attn_norm': 'Attention normalization',
'attn_norm_2': 'Attention normalization',
'attn_qkv': 'Attention query-key-value',
'attn_q': 'Attention query',
'attn_k': 'Attention key',
'attn_v': 'Attention value',
'attn_output': 'Attention output',
'ffn_norm': 'Feed-forward network normalization',
'ffn_up': 'Feed-forward network "up"',
'ffn_gate': 'Feed-forward network "gate"',
'ffn_down': 'Feed-forward network "down"',
'ffn_gate_inp': 'Expert-routing layer for the Feed-forward network in Mixture of Expert models',
'ffn_gate_exp': 'Feed-forward network "gate" layer per expert in Mixture of Expert models',
'ffn_down_exp': 'Feed-forward network "down" layer per expert in Mixture of Expert models',
'ffn_up_exp': 'Feed-forward network "up" layer per expert in Mixture of Expert models',
'ssm_in': 'State space model input projections',
'ssm_conv1d': 'State space model rolling/shift',
'ssm_x': 'State space model selective parametrization',
'ssm_a': 'State space model state compression',
'ssm_d': 'State space model skip connection',
'ssm_dt': 'State space model time step',
'ssm_out': 'State space model output projection',
'blk': 'Block'
}
expanded_words = []
for word in words:
word_norm = word.strip().lower()
if word_norm in abbreviation_dictionary:
expanded_words.append(abbreviation_dictionary[word_norm].title())
else:
expanded_words.append(word.title())
return ' '.join(expanded_words)
def dump_markdown_metadata(reader: GGUFReader, args: argparse.Namespace) -> None:
host_endian, file_endian = get_file_host_endian(reader)
markdown_content = ""
markdown_content += f'# {args.model} - GGUF Internal File Dump\n'
markdown_content += f'* Endian: {file_endian} endian\n'
markdown_content += '\n'
markdown_content += '## Key Value Metadata Store\n'
markdown_content += f'There is {len(reader.fields)} key/value pair(s) in this file\n'
markdown_content += '\n'
markdown_content += '| POS | TYPE | Elements | Key | Value |\n'
markdown_content += '|-----|------------|----------|----------------------------------------|--------------------------------------------------------------------------------|\n'
for n, field in enumerate(reader.fields.values(), 1):
if not field.types:
pretty_type = 'N/A'
elif field.types[0] == GGUFValueType.ARRAY:
nest_count = len(field.types) - 1
pretty_type = '[' * nest_count + str(field.types[-1].name) + ']' * nest_count
else:
pretty_type = str(field.types[-1].name)
if len(field.types) == 1:
curr_type = field.types[0]
if curr_type == GGUFValueType.STRING:
value = repr(str(bytes(field.parts[-1]), encoding='utf-8')[:60])
elif field.types[0] in reader.gguf_scalar_to_np:
value = field.parts[-1][0]
markdown_content += f'| {n:3} | {pretty_type:10} | {len(field.data):8} | {field.name:38} | {value:<78} |\n'
markdown_content += "\n"
if not args.no_tensors:
# Group tensors by their prefix and maintain order
tensor_prefix_order = []
tensor_name_to_key = {}
tensor_groups = {}
total_elements = sum(tensor.n_elements for tensor in reader.tensors)
for key, tensor in enumerate(reader.tensors):
tensor_components = tensor.name.split('.')
tensor_prefix = tensor_components[0]
if tensor_prefix == 'blk':
tensor_prefix = f"{tensor_components[0]}.{tensor_components[1]}"
if tensor_prefix not in tensor_groups:
tensor_groups[tensor_prefix] = []
tensor_prefix_order.append(tensor_prefix)
tensor_name_to_key[tensor.name] = key
tensor_groups[tensor_prefix].append(tensor)
# Tensors Mapping Dump
markdown_content += f'## Tensors Overview {element_count_rounded_notation(total_elements)} Elements\n'
markdown_content += f'Total number of elements in all tensors: {total_elements} Elements\n'
markdown_content += '\n'
for group in tensor_prefix_order:
tensors = tensor_groups[group]
group_elements = sum(tensor.n_elements for tensor in tensors)
markdown_content += f"- [{translate_tensor_name(group)} Tensor Group - {element_count_rounded_notation(group_elements)} Elements](#{group.replace('.', '_')})\n"
markdown_content += "\n"
for group in tensor_prefix_order:
tensors = tensor_groups[group]
group_elements = sum(tensor.n_elements for tensor in tensors)
group_percentage = group_elements / total_elements * 100
markdown_content += f"### {translate_tensor_name(group)} Tensor Group : {element_count_rounded_notation(group_elements)} Elements <a name=\"{group.replace('.', '_')}\"></a>\n"
markdown_content += "| T_ID | Tensor Layer Name | Human Friendly Tensor Layer Name | Elements | Shape | Type |\n"
markdown_content += "|------|---------------------------|----------------------------------------------------|----------------|---------------------------------|------|\n"
for tensor in tensors:
human_friendly_name = translate_tensor_name(tensor.name.replace(".weight", ".(W)").replace(".bias", ".(B)"))
prettydims = ' x '.join('{0:^5}'.format(d) for d in list(tensor.shape) + [1] * (4 - len(tensor.shape)))
markdown_content += f"| {tensor_name_to_key[tensor.name]:4} | {tensor.name:25} | {human_friendly_name:50} | ({element_count_rounded_notation(tensor.n_elements):>4}) {tensor.n_elements:7} | [{prettydims:29}] | {tensor.tensor_type.name:4} |\n"
markdown_content += "\n"
markdown_content += f"- Total elements in {group}: ({element_count_rounded_notation(group_elements):>4}) {group_elements}\n"
markdown_content += f"- Percentage of total elements: {group_percentage:.2f}%\n"
markdown_content += "\n\n"
print(markdown_content) # noqa: NP100
def main() -> None:
parser = argparse.ArgumentParser(description="Dump GGUF file metadata")
parser.add_argument("model", type=str, help="GGUF format model filename")
parser.add_argument("--no-tensors", action="store_true", help="Don't dump tensor metadata")
parser.add_argument("--json", action="store_true", help="Produce JSON output")
parser.add_argument("--json-array", action="store_true", help="Include full array values in JSON output (long)")
parser.add_argument("--markdown", action="store_true", help="Produce markdown output")
parser.add_argument("--verbose", action="store_true", help="increase output verbosity")
args = parser.parse_args(None if len(sys.argv) > 1 else ["--help"])
logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO)
if not args.json and not args.markdown:
logger.info(f'* Loading: {args.model}')
reader = GGUFReader(args.model, 'r')
if args.json:
dump_metadata_json(reader, args)
elif args.markdown:
dump_markdown_metadata(reader, args)
else:
dump_metadata(reader, args)
if __name__ == '__main__':
main()