Read more GGUF metadata (scale_linear and freq_base) (#3877)

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Gennadij 2023-09-12 23:02:42 +03:00 committed by GitHub
parent 90fca6a77d
commit 460c40d8ab
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3 changed files with 9 additions and 1 deletions

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@ -226,4 +226,4 @@ llama-65b-gptq-3bit:
.*codellama:
rope_freq_base: 1000000
.*codellama.*instruct:
instruction_template: 'Llama-v2'
instruction_template: 'Llama-v2'

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@ -70,6 +70,9 @@ def load_metadata(fname):
GGUF_VERSION = struct.unpack("<I", file.read(4))[0]
ti_data_count = struct.unpack("<Q", file.read(8))[0]
kv_data_count = struct.unpack("<Q", file.read(8))[0]
if GGUF_VERSION == 1:
raise Exception('You are using an outdated GGUF, please download a new one.')
for i in range(kv_data_count):
key_length = struct.unpack("<Q", file.read(8))[0]

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@ -17,6 +17,7 @@ def get_fallback_settings():
'truncation_length': shared.settings['truncation_length'],
'n_ctx': 2048,
'rope_freq_base': 0,
'compress_pos_emb': 1,
}
@ -48,6 +49,10 @@ def get_model_metadata(model):
metadata = metadata_gguf.load_metadata(model_file)
if 'llama.context_length' in metadata:
model_settings['n_ctx'] = metadata['llama.context_length']
if 'llama.rope.scale_linear' in metadata:
model_settings['compress_pos_emb'] = metadata['llama.rope.scale_linear']
if 'llama.rope.freq_base' in metadata:
model_settings['rope_freq_base'] = metadata['llama.rope.freq_base']
return model_settings