release initial code

Co-authored-by: Ying Sheng <sqy1415@gmail.com>
Co-authored-by: Liangsheng Yin <hnyls2002@gmail.com>
Co-authored-by: Zhiqiang Xie <xiezhq@stanford.edu>
Co-authored-by: parasol-aser <3848358+parasol-aser@users.noreply.github.com>
Co-authored-by: LiviaSun <33578456+ChuyueSun@users.noreply.github.com>
Co-authored-by: Cody Yu <hao.yu.cody@gmail.com>

benchmark/latency_throughput/test_latency.py

@@ -0,0 +1,66 @@
+import argparse
+import random
+import time
+
+import requests
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--host", type=str, default="http://127.0.0.1")
+    parser.add_argument("--port", type=int, default=None)
+    parser.add_argument("--backend", type=str, default="srt")
+    args = parser.parse_args()
+
+    if args.port is None:
+        if args.backend == "srt":
+            args.port = 30000
+        elif args.backend == "vllm":
+            args.port = 21000
+        elif args.backend == "lightllm":
+            args.port = 22000
+        else:
+            raise ValueError(f"Invalid backend: {args.backend}")
+
+    url = f"{args.host}:{args.port}"
+    a = random.randint(0, 1 << 20)
+    max_new_tokens = 256
+
+    tic = time.time()
+    if args.backend == "srt":
+        response = requests.post(
+            url + "/generate",
+            json={
+                "text": f"{a}, ",
+                "sampling_params": {
+                    "temperature": 0,
+                    "max_new_tokens": max_new_tokens,
+                },
+            },
+        )
+    elif args.backend == "lightllm":
+        response = requests.post(
+            url + "/generate",
+            json={
+                "inputs": f"{a}, ",
+                "parameters": {
+                    "temperature": 0,
+                    "max_new_tokens": max_new_tokens,
+                },
+            },
+        )
+    elif args.backend == "vllm":
+        response = requests.post(
+            url + "/generate",
+            json={
+                "prompt": f"{a}, ",
+                "temperature": 0,
+                "max_tokens": max_new_tokens,
+            },
+        )
+    latency = time.time() - tic
+
+    ret = response.json()
+    print(ret)
+
+    speed = max_new_tokens / latency
+    print(f"latency: {latency:.2f} s, speed: {speed:.2f} token/s")