Added LiteLLM to the stack

Development/litellm/tests/litellm_utils_tests/test_litellm_overhead.py

@@ -0,0 +1,116 @@
+import json
+import os
+import sys
+import time
+from datetime import datetime
+from unittest.mock import AsyncMock, patch, MagicMock
+import pytest
+
+sys.path.insert(
+    0, os.path.abspath("../..")
+)  # Adds the parent directory to the system path
+import litellm
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(
+    "model",
+    [
+        "bedrock/mistral.mistral-7b-instruct-v0:2",
+        "openai/gpt-4o",
+        "openai/self_hosted",
+        "bedrock/anthropic.claude-3-5-haiku-20241022-v1:0",
+    ],
+)
+async def test_litellm_overhead(model):
+
+    litellm._turn_on_debug()
+    start_time = datetime.now()
+    if model == "openai/self_hosted":
+        response = await litellm.acompletion(
+            model=model,
+            messages=[{"role": "user", "content": "Hello, world!"}],
+            api_base="https://exampleopenaiendpoint-production.up.railway.app/",
+        )
+    else:
+        response = await litellm.acompletion(
+            model=model,
+            messages=[{"role": "user", "content": "Hello, world!"}],
+        )
+    end_time = datetime.now()
+    total_time_ms = (end_time - start_time).total_seconds() * 1000
+    print(response)
+    print(response._hidden_params)
+    litellm_overhead_ms = response._hidden_params["litellm_overhead_time_ms"]
+    # calculate percent of overhead caused by litellm
+    overhead_percent = litellm_overhead_ms * 100 / total_time_ms
+    print("##########################\n")
+    print("total_time_ms", total_time_ms)
+    print("response litellm_overhead_ms", litellm_overhead_ms)
+    print("litellm overhead_percent {}%".format(overhead_percent))
+    print("##########################\n")
+    assert litellm_overhead_ms > 0
+    assert litellm_overhead_ms < 1000
+
+    # latency overhead should be less than total request time
+    assert litellm_overhead_ms < (end_time - start_time).total_seconds() * 1000
+
+    # latency overhead should be under 40% of total request time
+    assert overhead_percent < 40
+
+    pass
+
+
+@pytest.mark.asyncio
+@pytest.mark.parametrize(
+    "model",
+    [
+        "bedrock/mistral.mistral-7b-instruct-v0:2",
+        "openai/gpt-4o",
+        "bedrock/anthropic.claude-3-5-haiku-20241022-v1:0",
+        "openai/self_hosted",
+    ],
+)
+async def test_litellm_overhead_stream(model):
+
+    litellm._turn_on_debug()
+    start_time = datetime.now()
+    if model == "openai/self_hosted":
+        response = await litellm.acompletion(
+            model=model,
+            messages=[{"role": "user", "content": "Hello, world!"}],
+            api_base="https://exampleopenaiendpoint-production.up.railway.app/",
+            stream=True,
+        )
+    else:
+        response = await litellm.acompletion(
+            model=model,
+            messages=[{"role": "user", "content": "Hello, world!"}],
+            stream=True,
+        )
+
+    async for chunk in response:
+        print()
+
+    end_time = datetime.now()
+    total_time_ms = (end_time - start_time).total_seconds() * 1000
+    print(response)
+    print(response._hidden_params)
+    litellm_overhead_ms = response._hidden_params["litellm_overhead_time_ms"]
+    # calculate percent of overhead caused by litellm
+    overhead_percent = litellm_overhead_ms * 100 / total_time_ms
+    print("##########################\n")
+    print("total_time_ms", total_time_ms)
+    print("response litellm_overhead_ms", litellm_overhead_ms)
+    print("litellm overhead_percent {}%".format(overhead_percent))
+    print("##########################\n")
+    assert litellm_overhead_ms > 0
+    assert litellm_overhead_ms < 1000
+
+    # latency overhead should be less than total request time
+    assert litellm_overhead_ms < (end_time - start_time).total_seconds() * 1000
+
+    # latency overhead should be under 40% of total request time
+    assert overhead_percent < 40
+
+    pass