add llms asyncio

llms_asyncio.py

@@ -0,0 +1,33 @@
+import time
+import asyncio
+
+from langchain.llms import OpenAI
+
+def generate_serially():
+    llm = OpenAI(temperature=0.9)
+    for _ in range(10):
+        resp = llm.generate(["Hello, how are you?"])
+        print(resp.generations[0][0].text)
+
+
+async def async_generate(llm):
+    resp = await llm.agenerate(["Hello, how are you?"])
+    print(resp.generations[0][0].text)
+
+
+async def generate_concurrently():
+    llm = OpenAI(temperature=0.9)
+    tasks = [async_generate(llm) for _ in range(10)]
+    await asyncio.gather(*tasks)
+
+
+s = time.perf_counter()
+# If running this outside of Jupyter, use asyncio.run(generate_concurrently())
+generate_concurrently() 
+elapsed = time.perf_counter() - s
+print('\033[1m' + f"Concurrent executed in {elapsed:0.2f} seconds." + '\033[0m')
+
+s = time.perf_counter()
+generate_serially()
+elapsed = time.perf_counter() - s
+print('\033[1m' + f"Serial executed in {elapsed:0.2f} seconds." + '\033[0m')