adapt to sglang v0.5.2rc1 on dcu

benchmark/multi_turn_chat/long_prompt_multi_turn.py

@@ -0,0 +1,129 @@
+import json
+import random
+import time
+from argparse import ArgumentParser
+from pathlib import Path
+
+from tqdm import tqdm
+
+import sglang as sgl
+from sglang.srt.hf_transformers_utils import get_tokenizer
+from sglang.test.test_utils import (
+    add_common_sglang_args_and_parse,
+    select_sglang_backend,
+)
+from sglang.utils import dump_state_text
+
+
+def gen_prompt(tokenizer, token_num):
+    all_available_tokens = list(tokenizer.get_vocab().values())
+    selected_tokens = random.choices(all_available_tokens, k=token_num)
+    ret = tokenizer.decode(selected_tokens)
+    return ret
+
+
+def get_cache_path(args):
+    # Create cache directory under ~/.cache/sglang
+    cache_dir = Path.home() / ".cache" / "sglang"
+
+    # Create a unique cache filename based on the arguments that affect generation
+    cache_key = f"qa_{args.num_qa}_{args.turns}_{args.system_prompt_len}_{args.len_q}_{args.len_a}_{args.tokenizer.replace('/', '_')}.json"
+    return cache_dir / cache_key
+
+
+def gen_arguments(args, tokenizer):
+    cache_path = get_cache_path(args)
+
+    # Try to load from cache first
+    if cache_path.exists():
+        print(f"Loading cached arguments from {cache_path}")
+        with open(cache_path, "r") as f:
+            return json.load(f)
+
+    print("Generating new arguments...")
+    # First progress bar for system prompts
+    multi_qas = []
+    for _ in tqdm(range(args.num_qa), desc="Generating system prompts"):
+        multi_qas.append(
+            {"system_prompt": gen_prompt(tokenizer, args.system_prompt_len), "qas": []}
+        )
+
+    # Nested progress bars for QA pairs
+    for i in tqdm(range(args.num_qa), desc="Generating QA pairs"):
+        qas = multi_qas[i]["qas"]
+        for j in range(args.turns):
+            qas.append(
+                {
+                    "prompt": gen_prompt(tokenizer, args.len_q),
+                    "new_tokens": args.len_a,
+                }
+            )
+
+    # Save to cache
+    cache_path.parent.mkdir(parents=True, exist_ok=True)
+    with open(cache_path, "w") as f:
+        json.dump(multi_qas, f)
+    print(f"Cached arguments saved to {cache_path}")
+
+    return multi_qas
+
+
+@sgl.function
+def multi_turns(s, system_prompt, qas):
+    s += system_prompt
+
+    for i, qa in enumerate(qas):
+        s += qa["prompt"]
+        s += sgl.gen(max_tokens=qa["new_tokens"], ignore_eos=True)
+
+
+def main(args):
+    tokenizer = get_tokenizer(args.tokenizer, trust_remote_code=args.trust_remote_code)
+
+    multi_qas = gen_arguments(args, tokenizer)
+
+    backend = select_sglang_backend(args)
+
+    tic = time.perf_counter()
+    states = multi_turns.run_batch(
+        multi_qas,
+        temperature=0,
+        backend=backend,
+        num_threads="auto",
+        progress_bar=True,
+    )
+    latency = time.perf_counter() - tic
+
+    print(f"Latency: {latency:.3f}")
+
+    dump_state_text(f"tmp_output_{args.backend}.txt", states)
+
+    with open(args.result_file, "a") as fout:
+        value = {
+            "task": "multi_turn_system_prompt_chat",
+            "backend": args.backend,
+            "latency": round(latency, 3),
+            "num_requests": args.num_qa,
+            "num_turns": args.turns,
+            "other": {
+                "parallel": args.parallel,
+            },
+        }
+        fout.write(json.dumps(value) + "\n")
+
+
+if __name__ == "__main__":
+    parser = ArgumentParser()
+    parser.add_argument("--turns", type=int, default=8)
+    parser.add_argument("--num-qa", type=int, default=128)
+    parser.add_argument("--system-prompt-len", type=int, default=2048)
+    parser.add_argument("--len-q", type=int, default=32)
+    parser.add_argument("--len-a", type=int, default=128)
+    parser.add_argument(
+        "--tokenizer", type=str, default="meta-llama/Meta-Llama-3-8B-Instruct"
+    )
+    parser.add_argument("--trust-remote-code", action="store_true")
+    args = add_common_sglang_args_and_parse(parser)
+
+    print(args)
+    main(args)