Rename servers to engines (#152)

benchmarks/benchmark_throughput.py

@@ -84,7 +84,7 @@ def run_cacheflow(
         seed=seed,
     )
 
-    # Add the requests to the server.
+    # Add the requests to the engine.
     for prompt, _, output_len in requests:
         sampling_params = SamplingParams(
             n=n,
@@ -103,7 +103,7 @@ def run_cacheflow(
 
     start = time.time()
     # FIXME(woosuk): Do use internal method.
-    llm._run_server(use_tqdm=True)
+    llm._run_engine(use_tqdm=True)
     end = time.time()
     return end - start