adapt to sglang v0.5.2rc1 on dcu

benchmark/mmlu/bench_sglang.py

@@ -0,0 +1,181 @@
+import argparse
+import json
+import os
+import time
+
+import numpy as np
+import pandas as pd
+import tiktoken
+
+from sglang.test.test_utils import (
+    add_common_sglang_args_and_parse,
+    dump_bench_raw_result,
+    select_sglang_backend,
+)
+
+choices = ["A", "B", "C", "D"]
+
+tokenizer = tiktoken.encoding_for_model("gpt-3.5-turbo")
+
+
+def format_subject(subject):
+    l = subject.split("_")
+    s = ""
+    for entry in l:
+        s += " " + entry
+    return s
+
+
+def format_example(df, idx, include_answer=True):
+    prompt = df.iloc[idx, 0]
+    k = df.shape[1] - 2
+    for j in range(k):
+        prompt += "\n{}. {}".format(choices[j], df.iloc[idx, j + 1])
+    prompt += "\nAnswer:"
+    if include_answer:
+        prompt += " {}\n\n".format(df.iloc[idx, k + 1])
+    return prompt
+
+
+def gen_prompt(train_df, subject, k=-1):
+    prompt = "The following are multiple choice questions (with answers) about{}.\n\n".format(
+        format_subject(subject)
+    )
+    if k == -1:
+        k = train_df.shape[0]
+    for i in range(k):
+        prompt += format_example(train_df, i)
+    return prompt
+
+
+def main(args):
+    subjects = sorted(
+        [
+            f.split("_test.csv")[0]
+            for f in os.listdir(os.path.join(args.data_dir, "test"))
+            if "_test.csv" in f
+        ]
+    )
+
+    # Build prompts
+    arguments = []
+    labels = []
+    num_questions = []
+
+    for subject in subjects[: args.nsub]:
+        dev_df = pd.read_csv(
+            os.path.join(args.data_dir, "dev", subject + "_dev.csv"), header=None
+        )[: args.ntrain]
+        test_df = pd.read_csv(
+            os.path.join(args.data_dir, "test", subject + "_test.csv"), header=None
+        )
+        num_questions.append(test_df.shape[0])
+
+        k = args.ntrain
+        few_shot_examples = gen_prompt(dev_df, subject, k)
+        while len(tokenizer.encode(few_shot_examples)) > 1536:
+            k -= 1
+            few_shot_examples = gen_prompt(dev_df, subject, k)
+
+        for i in range(test_df.shape[0]):
+            prompt_end = format_example(test_df, i, include_answer=False)
+
+            arguments.append(
+                {
+                    "examples": few_shot_examples,
+                    "question": prompt_end,
+                }
+            )
+
+            label = test_df.iloc[i, test_df.shape[1] - 1]
+            labels.append(label)
+
+    #####################################
+    ######### SGL Program Begin #########
+    #####################################
+
+    import sglang as sgl
+
+    if args.backend.startswith("gpt-"):
+
+        @sgl.function
+        def few_shot_mmlu(s, examples, question):
+            s += sgl.user(examples + question)
+            s += sgl.assistant(sgl.gen("answer"))
+
+    else:
+
+        @sgl.function
+        def few_shot_mmlu(s, examples, question):
+            s += examples + question + sgl.gen("answer")
+
+    #####################################
+    ########## SGL Program End ##########
+    #####################################
+
+    # Select backend
+    backend = select_sglang_backend(args)
+
+    # Run
+    tic = time.perf_counter()
+    states = few_shot_mmlu.run_batch(
+        arguments,
+        temperature=0,
+        max_new_tokens=1,
+        backend=backend,
+        num_threads=args.parallel,
+        progress_bar=True,
+    )
+    preds = [
+        s["answer"].strip()[0] if len(s["answer"].strip()) > 0 else "" for s in states
+    ]
+    latency = time.perf_counter() - tic
+
+    # Compute accuracy
+    cors = [pred == label for pred, label in zip(preds, labels)]
+
+    pt = 0
+    for subject, num_qs in zip(subjects[: args.nsub], num_questions):
+        print(
+            f"subject: {subject}, #q:{num_qs}, acc: {np.mean(cors[pt: pt + num_qs]):.3f}"
+        )
+        pt += num_qs
+    assert pt == len(cors)
+    weighted_acc = np.mean(cors)
+
+    dump_bench_raw_result(
+        path=args.raw_result_file,
+        states=states,
+        preds=preds,
+        labels=labels,
+    )
+
+    # Print results
+    print("Total latency: {:.3f}".format(latency))
+    print("Average accuracy: {:.3f}".format(weighted_acc))
+
+    # Write results
+    with open(args.result_file, "a") as fout:
+        value = {
+            "task": "mmlu",
+            "backend": args.backend,
+            "num_gpus": 1,
+            "latency": round(latency, 3),
+            "accuracy": round(weighted_acc, 3),
+            "num_requests": len(arguments),
+            "other": {
+                "nsub": args.nsub,
+                "parallel": args.parallel,
+            },
+        }
+        fout.write(json.dumps(value) + "\n")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--ntrain", "-k", type=int, default=5)
+    parser.add_argument("--data_dir", "-d", type=str, default="data")
+    parser.add_argument("--save_dir", "-s", type=str, default="results")
+    parser.add_argument("--nsub", type=int, default=60)
+    args = add_common_sglang_args_and_parse(parser)
+    main(args)