vllm/tests/models/utils.py
Robert Shaw 73c8d677e5
[Kernel] Marlin Expansion: Support AutoGPTQ Models with Marlin (#3922)
Co-authored-by: alexm <alexm@neuralmagic.com>
Co-authored-by: mgoin <michael@neuralmagic.com>
2024-04-29 09:35:34 -07:00

30 lines
1.3 KiB
Python

def check_logprobs_close(outputs_0_lst, outputs_1_lst, name_0, name_1):
"""Compare the logprobs of two sequences generated by different models,
which should be similar but not necessarily equal.
"""
# Loop through responses to each prompt.
for prompt_idx, (outputs_0,
outputs_1) in enumerate(zip(outputs_0_lst,
outputs_1_lst)):
output_ids_0, output_str_0, logprobs_0 = outputs_0
output_ids_1, output_str_1, logprobs_1 = outputs_1
# Loop through generated tokens.
for idx, (output_id_0,
output_id_1) in enumerate(zip(output_ids_0, output_ids_1)):
# If generated tokens don't match, then
if output_id_0 != output_id_1:
# Each predicted token must be in top N logprobs of the other
assert output_id_0 in logprobs_1[idx], (
f"Test{prompt_idx}:"
f"\n{name_0}:\t{output_str_0!r}"
f"\n{name_1}:\t{output_str_1!r}")
assert output_id_1 in logprobs_0[idx], (
f"Test{prompt_idx}:"
f"\n{name_0}:\t{output_str_0!r}"
f"\n{name_1}:\t{output_str_1!r}")
# Break out since sequences will now diverge.
break