add test_accuracy.py (#761)

Author: SangChengC

test/test_accuracy.py

@@ -0,0 +1,114 @@
+import argparse
+import subprocess
+import time
+import os
+import requests
+import sys
+import json
+
+
+def parse_args():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--tp", type=int, required=True, help="Number of GPUs to use.")
+    parser.add_argument("--model_dir", type=str, required=True, help="Directory of the model.")
+    return parser.parse_args()
+
+
+def start_server(tp, model_dir):
+    cmd = [
+        "python",
+        "-m",
+        "lightllm.server.api_server",
+        "--tp",
+        str(tp),
+        "--model_dir",
+        model_dir,
+        "--data_type",
+        "fp16",
+        "--mode",
+        "triton_gqa_flashdecoding",
+        "--trust_remote_code",
+        "--tokenizer_mode",
+        "fast",
+        "--host",
+        "0.0.0.0",
+        "--port",
+        "8080",
+    ]
+    process = subprocess.Popen(cmd, stdout=sys.stdout, stderr=sys.stderr)
+    return process
+
+
+def check_health():
+    health_url = "http://localhost:8080/health"
+    try:
+        r = requests.get(health_url, timeout=2)
+        return r.status_code == 200
+    except Exception:
+        return False
+
+
+def send_prompts(prompts, output_file):
+    for prompt in prompts:
+        while not check_health():
+            time.sleep(1)
+
+        request_data = {
+            "inputs": prompt,
+            "parameters": {"max_new_tokens": 1024, "frequency_penalty": 1, "do_sample": False},
+            "multimodal_params": {},
+        }
+
+        try:
+            r = requests.post("http://localhost:8080/generate", json=request_data, timeout=10)
+            response_json = json.loads(r.text)
+            generated_text = (
+                response_json["generated_text"][0] if "generated_text" in response_json else "No generated_text."
+            )
+        except Exception as e:
+            generated_text = f"ERROR: {str(e)}"
+
+        with open(output_file, "a", encoding="utf-8") as f:
+            f.write(f"===== prompt: {prompt} =====\n")
+            f.write(f"{generated_text}\n\n")
+
+        print(f"===================Ouput saved in {output_file}===========================")
+
+
+def main():
+    # args
+    args = parse_args()
+    tp = args.tp
+    model_dir = args.model_dir
+
+    # output_file
+    output_file = "test_results.txt"
+
+    if os.path.exists(output_file):
+        os.remove(output_file)
+
+    # start server
+    process = start_server(tp, model_dir)
+
+    # prompts
+    prompts = [
+        "What is the machine learning?",
+        "1+1等于几",
+        "What role does attention play in transformer architectures?",
+        "西红柿炒鸡蛋怎么做？",
+        "Describe the concept of overfitting and underfitting.",
+        "CPU和GPU的区别是什么？",
+        "What is the role of a loss function in machine learning?",
+    ]
+
+    send_prompts(prompts, output_file)
+
+    # shutdown server
+    process.terminate()
+    process.wait()
+
+
+if __name__ == "__main__":
+    main()
+
+# python test_accuracy.py --tp 2 --model_dir /xx/xx