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Tools to measure latency for LLM in Amazon Bedrook

License: Apache License 2.0

Jupyter Notebook 66.73% Python 33.27%

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bedrock-latency's Issues

the values of OpenAI's 'time-to-first-token' and 'time-to-last-token' are the same

the below code in utils/utils.py needs to be modified:
from:

def consume_openai_stream(response):
    first_byte = None
    stop_reason = None
    for chunk in response:
        if chunk.choices[0].finish_reason is not None:
            if not first_byte: 
                first_byte = time.time() # update the time to first byte
            stop_reason = chunk.choices[0].finish_reason
    return first_byte, stop_reason

to:

def consume_openai_stream(response):
    first_byte = None
    stop_reason = None
    for chunk in response:
        #print(chunk)
        if not first_byte: 
                first_byte = time.time() # update the time to first byte
        if chunk.choices[0].finish_reason is not None:
            stop_reason = chunk.choices[0].finish_reason
    return first_byte, stop_reason

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