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gguf-dump.py: add --markdown dump output (#7853)
* gguf-dump.py: add --markdown dump output * gguf-dump.py: Add toc * gguf-dump.py: use standard tensor name lookup. Also add tensor ID field * gguf-dump.py: Add tensor overview count * gguf-dump.py: fix array preview * gguf-dump.py: markdownTableWithAlignmentSupport() added * Add type hints and spacing Co-authored-by: compilade <git@compilade.net> * gguf-dump.py: prettyfy dimention * gguf-dump: right align element count * gguf-dump.py: element count autosizing * Apply suggestions from code review Co-authored-by: compilade <git@compilade.net> --------- Co-authored-by: compilade <git@compilade.net>
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@ -14,7 +14,7 @@ import numpy as np
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if "NO_LOCAL_GGUF" not in os.environ and (Path(__file__).parent.parent.parent / 'gguf-py').exists():
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sys.path.insert(0, str(Path(__file__).parent.parent))
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from gguf import GGUFReader, GGUFValueType # noqa: E402
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from gguf import GGUFReader, GGUFValueType, ReaderTensor # noqa: E402
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logger = logging.getLogger("gguf-dump")
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@ -101,25 +101,285 @@ def dump_metadata_json(reader: GGUFReader, args: argparse.Namespace) -> None:
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json.dump(result, sys.stdout)
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def markdown_table_with_alignment_support(header_map: list[dict[str, str]], data: list[dict[str, Any]]):
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# JSON to Markdown table formatting: https://stackoverflow.com/a/72983854/2850957
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# Alignment Utility Function
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def strAlign(padding: int, alignMode: str | None, strVal: str):
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if alignMode == 'center':
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return strVal.center(padding)
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elif alignMode == 'right':
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return strVal.rjust(padding - 1) + ' '
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elif alignMode == 'left':
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return ' ' + strVal.ljust(padding - 1)
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else: # default left
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return ' ' + strVal.ljust(padding - 1)
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def dashAlign(padding: int, alignMode: str | None):
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if alignMode == 'center':
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return ':' + '-' * (padding - 2) + ':'
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elif alignMode == 'right':
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return '-' * (padding - 1) + ':'
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elif alignMode == 'left':
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return ':' + '-' * (padding - 1)
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else: # default left
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return '-' * (padding)
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# Calculate Padding For Each Column Based On Header and Data Length
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rowsPadding = {}
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for index, columnEntry in enumerate(header_map):
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padCount = max([len(str(v)) for d in data for k, v in d.items() if k == columnEntry['key_name']], default=0) + 2
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headerPadCount = len(columnEntry['header_name']) + 2
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rowsPadding[index] = headerPadCount if padCount <= headerPadCount else padCount
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# Render Markdown Header
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rows = []
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rows.append('|'.join(strAlign(rowsPadding[index], columnEntry.get('align'), str(columnEntry['header_name'])) for index, columnEntry in enumerate(header_map)))
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rows.append('|'.join(dashAlign(rowsPadding[index], columnEntry.get('align')) for index, columnEntry in enumerate(header_map)))
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# Render Tabular Data
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for item in data:
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rows.append('|'.join(strAlign(rowsPadding[index], columnEntry.get('align'), str(item[columnEntry['key_name']])) for index, columnEntry in enumerate(header_map)))
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# Convert Tabular String Rows Into String
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tableString = ""
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for row in rows:
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tableString += f'|{row}|\n'
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return tableString
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def element_count_rounded_notation(count: int) -> str:
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if count > 1e15 :
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# Quadrillion
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scaled_amount = count * 1e-15
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scale_suffix = "Q"
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elif count > 1e12 :
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# Trillions
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scaled_amount = count * 1e-12
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scale_suffix = "T"
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elif count > 1e9 :
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# Billions
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scaled_amount = count * 1e-9
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scale_suffix = "B"
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elif count > 1e6 :
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# Millions
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scaled_amount = count * 1e-6
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scale_suffix = "M"
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elif count > 1e3 :
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# Thousands
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scaled_amount = count * 1e-3
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scale_suffix = "K"
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else:
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# Under Thousands
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scaled_amount = count
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scale_suffix = ""
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return f"{'~' if count > 1e3 else ''}{round(scaled_amount)}{scale_suffix}"
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def translate_tensor_name(name):
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words = name.split(".")
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# Source: https://github.com/ggerganov/ggml/blob/master/docs/gguf.md#standardized-tensor-names
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abbreviation_dictionary = {
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'token_embd': 'Token embedding',
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'pos_embd': 'Position embedding',
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'output_norm': 'Output normalization',
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'output': 'Output',
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'attn_norm': 'Attention normalization',
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'attn_norm_2': 'Attention normalization',
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'attn_qkv': 'Attention query-key-value',
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'attn_q': 'Attention query',
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'attn_k': 'Attention key',
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'attn_v': 'Attention value',
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'attn_output': 'Attention output',
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'ffn_norm': 'Feed-forward network normalization',
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'ffn_up': 'Feed-forward network "up"',
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'ffn_gate': 'Feed-forward network "gate"',
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'ffn_down': 'Feed-forward network "down"',
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'ffn_gate_inp': 'Expert-routing layer for the Feed-forward network in Mixture of Expert models',
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'ffn_gate_exp': 'Feed-forward network "gate" layer per expert in Mixture of Expert models',
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'ffn_down_exp': 'Feed-forward network "down" layer per expert in Mixture of Expert models',
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'ffn_up_exp': 'Feed-forward network "up" layer per expert in Mixture of Expert models',
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'ssm_in': 'State space model input projections',
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'ssm_conv1d': 'State space model rolling/shift',
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'ssm_x': 'State space model selective parametrization',
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'ssm_a': 'State space model state compression',
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'ssm_d': 'State space model skip connection',
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'ssm_dt': 'State space model time step',
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'ssm_out': 'State space model output projection',
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'blk': 'Block'
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}
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expanded_words = []
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for word in words:
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word_norm = word.strip().lower()
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if word_norm in abbreviation_dictionary:
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expanded_words.append(abbreviation_dictionary[word_norm].title())
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else:
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expanded_words.append(word.title())
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return ' '.join(expanded_words)
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def dump_markdown_metadata(reader: GGUFReader, args: argparse.Namespace) -> None:
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host_endian, file_endian = get_file_host_endian(reader)
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markdown_content = ""
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markdown_content += f'# {args.model} - GGUF Internal File Dump\n\n'
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markdown_content += f'- Endian: {file_endian} endian\n'
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markdown_content += '\n'
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markdown_content += '## Key Value Metadata Store\n\n'
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markdown_content += f'There are {len(reader.fields)} key-value pairs in this file\n'
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markdown_content += '\n'
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kv_dump_table: list[dict[str, str | int]] = []
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for n, field in enumerate(reader.fields.values(), 1):
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if not field.types:
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pretty_type = 'N/A'
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elif field.types[0] == GGUFValueType.ARRAY:
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nest_count = len(field.types) - 1
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pretty_type = '[' * nest_count + str(field.types[-1].name) + ']' * nest_count
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else:
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pretty_type = str(field.types[-1].name)
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total_elements = len(field.data)
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value = ""
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if len(field.types) == 1:
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curr_type = field.types[0]
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if curr_type == GGUFValueType.STRING:
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value = repr(str(bytes(field.parts[-1]), encoding='utf-8')[:60])
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elif curr_type in reader.gguf_scalar_to_np:
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value = str(field.parts[-1][0])
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else:
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if field.types[0] == GGUFValueType.ARRAY:
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curr_type = field.types[1]
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if curr_type == GGUFValueType.STRING:
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render_element = min(5, total_elements)
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for element_pos in range(render_element):
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value += repr(str(bytes(field.parts[-1 - element_pos]), encoding='utf-8')[:5]) + (", " if total_elements > 1 else "")
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elif curr_type in reader.gguf_scalar_to_np:
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render_element = min(7, total_elements)
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for element_pos in range(render_element):
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value += str(field.parts[-1 - element_pos][0]) + (", " if total_elements > 1 else "")
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value = f'[ {value}{" ..." if total_elements > 1 else ""} ]'
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kv_dump_table.append({"n":n, "pretty_type":pretty_type, "total_elements":total_elements, "field_name":field.name, "value":value})
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kv_dump_table_header_map = [
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{'key_name':'n', 'header_name':'POS', 'align':'right'},
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{'key_name':'pretty_type', 'header_name':'TYPE', 'align':'left'},
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{'key_name':'total_elements', 'header_name':'Count', 'align':'right'},
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{'key_name':'field_name', 'header_name':'Key', 'align':'left'},
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{'key_name':'value', 'header_name':'Value', 'align':'left'},
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]
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markdown_content += markdown_table_with_alignment_support(kv_dump_table_header_map, kv_dump_table)
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markdown_content += "\n"
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if not args.no_tensors:
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# Group tensors by their prefix and maintain order
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tensor_prefix_order: list[str] = []
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tensor_name_to_key: dict[str, int] = {}
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tensor_groups: dict[str, list[ReaderTensor]] = {}
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total_elements = sum(tensor.n_elements for tensor in reader.tensors)
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# Parsing Tensors Record
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for key, tensor in enumerate(reader.tensors):
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tensor_components = tensor.name.split('.')
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# Classify Tensor Group
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tensor_group_name = "base"
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if tensor_components[0] == 'blk':
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tensor_group_name = f"{tensor_components[0]}.{tensor_components[1]}"
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# Check if new Tensor Group
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if tensor_group_name not in tensor_groups:
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tensor_groups[tensor_group_name] = []
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tensor_prefix_order.append(tensor_group_name)
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# Record Tensor and Tensor Position
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tensor_groups[tensor_group_name].append(tensor)
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tensor_name_to_key[tensor.name] = key
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# Tensors Mapping Dump
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markdown_content += f'## Tensors Overview {element_count_rounded_notation(total_elements)} Elements\n\n'
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markdown_content += f'Total number of elements in all tensors: {total_elements} Elements\n'
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markdown_content += '\n'
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for group in tensor_prefix_order:
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tensors = tensor_groups[group]
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group_elements = sum(tensor.n_elements for tensor in tensors)
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markdown_content += f"- [{translate_tensor_name(group)} Tensor Group - {element_count_rounded_notation(group_elements)} Elements](#{group.replace('.', '_')})\n"
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markdown_content += "\n"
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for group in tensor_prefix_order:
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tensors = tensor_groups[group]
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group_elements = sum(tensor.n_elements for tensor in tensors)
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group_percentage = group_elements / total_elements * 100
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markdown_content += f"### <a name=\"{group.replace('.', '_')}\">{translate_tensor_name(group)} Tensor Group : {element_count_rounded_notation(group_elements)} Elements</a>\n\n"
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# Precalculate column sizing for visual consistency
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prettify_element_est_count_size: int = 1
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prettify_element_count_size: int = 1
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prettify_dimension_max_widths: dict[int, int] = {}
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for tensor in tensors:
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prettify_element_est_count_size = max(prettify_element_est_count_size, len(str(element_count_rounded_notation(tensor.n_elements))))
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prettify_element_count_size = max(prettify_element_count_size, len(str(tensor.n_elements)))
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for i, dimension_size in enumerate(list(tensor.shape) + [1] * (4 - len(tensor.shape))):
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prettify_dimension_max_widths[i] = max(prettify_dimension_max_widths.get(i,1), len(str(dimension_size)))
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# Generate Tensor Layer Table Content
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tensor_dump_table: list[dict[str, str | int]] = []
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for tensor in tensors:
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human_friendly_name = translate_tensor_name(tensor.name.replace(".weight", ".(W)").replace(".bias", ".(B)"))
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pretty_dimension = ' x '.join(f'{str(d):>{prettify_dimension_max_widths[i]}}' for i, d in enumerate(list(tensor.shape) + [1] * (4 - len(tensor.shape))))
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element_count_est = f"({element_count_rounded_notation(tensor.n_elements):>{prettify_element_est_count_size}})"
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element_count_string = f"{element_count_est} {tensor.n_elements:>{prettify_element_count_size}}"
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type_name_string = f"{tensor.tensor_type.name}"
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tensor_dump_table.append({"t_id":tensor_name_to_key[tensor.name], "layer_name":tensor.name, "human_layer_name":human_friendly_name, "element_count":element_count_string, "pretty_dimension":pretty_dimension, "tensor_type":type_name_string})
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tensor_dump_table_header_map = [
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{'key_name':'t_id', 'header_name':'T_ID', 'align':'right'},
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{'key_name':'layer_name', 'header_name':'Tensor Layer Name', 'align':'left'},
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{'key_name':'human_layer_name', 'header_name':'Human Friendly Tensor Layer Name', 'align':'left'},
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{'key_name':'element_count', 'header_name':'Elements', 'align':'left'},
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{'key_name':'pretty_dimension', 'header_name':'Shape', 'align':'left'},
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{'key_name':'tensor_type', 'header_name':'Type', 'align':'left'},
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]
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markdown_content += markdown_table_with_alignment_support(tensor_dump_table_header_map, tensor_dump_table)
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markdown_content += "\n"
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markdown_content += f"- Total elements in {group}: ({element_count_rounded_notation(group_elements):>4}) {group_elements}\n"
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markdown_content += f"- Percentage of total elements: {group_percentage:.2f}%\n"
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markdown_content += "\n\n"
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print(markdown_content) # noqa: NP100
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def main() -> None:
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parser = argparse.ArgumentParser(description="Dump GGUF file metadata")
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parser.add_argument("model", type=str, help="GGUF format model filename")
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parser.add_argument("--no-tensors", action="store_true", help="Don't dump tensor metadata")
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parser.add_argument("--json", action="store_true", help="Produce JSON output")
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parser.add_argument("--json-array", action="store_true", help="Include full array values in JSON output (long)")
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parser.add_argument("--markdown", action="store_true", help="Produce markdown output")
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parser.add_argument("--verbose", action="store_true", help="increase output verbosity")
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args = parser.parse_args(None if len(sys.argv) > 1 else ["--help"])
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logging.basicConfig(level=logging.DEBUG if args.verbose else logging.INFO)
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if not args.json:
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if not args.json and not args.markdown:
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logger.info(f'* Loading: {args.model}')
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reader = GGUFReader(args.model, 'r')
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if args.json:
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dump_metadata_json(reader, args)
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elif args.markdown:
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dump_markdown_metadata(reader, args)
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else:
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dump_metadata(reader, args)
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