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/long_json_decode/bench_sglang.py

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+import argparse
+import json
+import time
+
+import numpy as np
+import sglang as sgl
+from sglang.test.test_utils import add_common_sglang_args_and_parse, select_sglang_backend
+from sglang.utils import read_jsonl, dump_state_text
+
+
+@sgl.function
+def json_decode(s, document):
+    s += "Please extract the information of a city from the following wikipedia page.\n"
+    s += "Page begin.\n" + document + "Page end.\n"
+    s += "Here is the name, country, and symbol of the city in JSON format.\n"
+    s += '{\n'
+    s += '  "name": "' + sgl.gen("name", max_tokens=8, stop='"') + '",\n'
+    s += '  "country": "' + sgl.gen("country", max_tokens=8, stop='"') + '",\n'
+    s += '  "air port code": "' + sgl.gen("air port code", max_tokens=8, stop='"') + '",\n'
+    s += '  "top 3 landmarks": "' + sgl.gen("landmarks", max_tokens=24, stop='"') + '",\n'
+    s += '}\n'
+
+
+def main(args):
+    lines = read_jsonl(args.data_path)
+    arguments = []
+    for i in range(len(lines[:args.num_questions])):
+        arguments.append({
+            "document": lines[i]["document"],
+        })
+
+    # Select backend
+    backend = select_sglang_backend(args)
+    sgl.set_default_backend(backend)
+
+    # Run requests
+    tic = time.time()
+    states = json_decode.run_batch(
+        arguments, temperature=0, num_threads=args.parallel)
+    latency = time.time() - tic
+
+    # Compute accuracy 
+    print(f"Latency: {latency:.3f}")
+
+    # Write results
+    dump_state_text(f"tmp_output_{args.backend}.txt", states)
+
+    with open(args.result_file, "a") as fout:
+        value = {
+            "task": "long_json_decode",
+            "backend": args.backend,
+            "num_gpus": 1,
+            "latency": round(latency, 3),
+            "num_requests": args.num_questions,
+            "other": {
+                "num_questions": args.num_questions,
+                "parallel": args.parallel,
+            }
+        }
+        fout.write(json.dumps(value) + "\n")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--data-path", type=str, default="questions.jsonl")
+    parser.add_argument("--num-questions", type=int, default=10)
+    args = add_common_sglang_args_and_parse(parser)
+    main(args)