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Fix timing calculation logic in OllamaAPI stream generators

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• Initialize first_chunk_time as None
• Set timing only when first chunk arrives
This commit is contained in:
yangdx
2025-02-06 04:53:05 +08:00
committed by ultrageopro
parent d297a87190
commit 52f4d97172
1 changed files with 10 additions and 5 deletions
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15
lightrag/api/ollama_api.py
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@@ -203,14 +203,15 @@ class OllamaAPI:
)
async def stream_generator():
first_chunk_time = time.time_ns()
last_chunk_time = first_chunk_time
first_chunk_time = None
last_chunk_time = time.time_ns()
total_response = ""
try:
# Ensure response is an async generator
if isinstance(response, str):
# If it's a string, send in two parts
first_chunk_time = last_chunk_time
last_chunk_time = time.time_ns()
total_response = response
@@ -282,7 +283,8 @@ class OllamaAPI:
}
yield f"{json.dumps(final_data, ensure_ascii=False)}\n"
return
if first_chunk_time is None:
first_chunk_time = last_chunk_time
completion_tokens = estimate_tokens(total_response)
total_time = last_chunk_time - start_time
prompt_eval_time = first_chunk_time - start_time
@@ -407,14 +409,15 @@ class OllamaAPI:
)
async def stream_generator():
first_chunk_time = time.time_ns()
last_chunk_time = first_chunk_time
first_chunk_time = None
last_chunk_time = time.time_ns()
total_response = ""
try:
# Ensure response is an async generator
if isinstance(response, str):
# If it's a string, send in two parts
first_chunk_time = last_chunk_time
last_chunk_time = time.time_ns()
total_response = response
@@ -499,6 +502,8 @@ class OllamaAPI:
yield f"{json.dumps(final_data, ensure_ascii=False)}\n"
return
if first_chunk_time is None:
first_chunk_time = last_chunk_time
completion_tokens = estimate_tokens(total_response)
total_time = last_chunk_time - start_time
prompt_eval_time = first_chunk_time - start_time