Files
sglang/test/srt/test_build_eagle_tree.py
2025-10-14 22:50:53 +08:00

309 lines
9.8 KiB
Python

import unittest
import torch
from sglang.srt.speculative.eagle_utils import (
build_tree_kernel_efficient,
organize_draft_results,
)
class TestBuildEagleTree(unittest.TestCase):
"""Unit tests for build_eagle_tree functionality."""
def test_build_tree_kernel_efficient(self):
"""Test the build_tree_kernel_efficient function with known inputs and expected outputs."""
verified_id = torch.tensor([29974, 13], device="cuda", dtype=torch.int32)
score_list = [
torch.tensor(
[
[[7.1127e-01, 2.8292e-01, 2.2995e-03, 1.7357e-03]],
[[9.7476e-01, 2.2219e-02, 6.5031e-04, 1.3212e-04]],
],
dtype=torch.float32,
device="cuda",
),
torch.tensor(
[
[
[6.9142e-01, 1.2863e-02, 1.6873e-03, 1.1871e-03],
[2.4787e-01, 1.8818e-02, 1.4204e-02, 9.2235e-04],
[2.2971e-03, 1.6700e-06, 1.8737e-07, 8.3146e-08],
[1.2771e-03, 2.4374e-04, 1.7832e-04, 1.1947e-05],
],
[
[8.4832e-02, 6.6068e-02, 5.8304e-02, 5.7851e-02],
[2.3616e-03, 1.1243e-03, 5.4368e-04, 2.7768e-04],
[2.5286e-04, 1.5578e-04, 2.8817e-05, 1.2888e-05],
[1.2834e-04, 2.5417e-06, 1.1279e-06, 1.6088e-08],
],
],
dtype=torch.float32,
device="cuda",
),
torch.tensor(
[
[
[6.6438e-01, 2.6997e-02, 2.4236e-05, 4.0821e-06],
[2.4402e-01, 2.8409e-03, 5.0935e-04, 2.9022e-04],
[1.6178e-02, 2.0567e-03, 4.5892e-04, 3.0034e-05],
[1.3023e-02, 5.0497e-04, 3.6371e-04, 8.7750e-05],
],
[
[2.3263e-02, 2.0054e-02, 9.3990e-03, 2.7783e-03],
[6.4156e-02, 5.5506e-04, 1.0429e-04, 9.7211e-05],
[4.9950e-02, 5.0630e-03, 9.0068e-04, 3.3656e-04],
[7.5817e-03, 8.5731e-04, 6.9972e-04, 6.0793e-04],
],
],
dtype=torch.float32,
device="cuda",
),
torch.tensor(
[
[
[6.6420e-01, 1.0525e-04, 6.5864e-05, 1.2253e-06],
[1.3019e-01, 1.0461e-01, 5.2083e-03, 1.6777e-03],
[2.0103e-02, 6.7335e-03, 1.2625e-04, 1.0364e-05],
[1.5142e-02, 7.0819e-04, 9.6595e-05, 8.7951e-05],
],
[
[5.8608e-02, 1.8840e-03, 7.8535e-04, 4.4400e-04],
[1.2185e-02, 2.0684e-03, 1.7418e-03, 1.4327e-03],
[6.2455e-03, 6.1487e-03, 2.6862e-03, 1.8034e-03],
[1.8590e-03, 1.6151e-03, 1.2481e-03, 3.6038e-04],
],
],
dtype=torch.float32,
device="cuda",
),
]
token_list = [
torch.tensor(
[[29896, 29906, 29900, 29945], [13, 2, 29871, 28956]],
dtype=torch.int64,
device="cuda",
),
torch.tensor(
[
[
29889,
29974,
29945,
29900,
29974,
29922,
29930,
29958,
29889,
29974,
29930,
29945,
29974,
29922,
29930,
29958,
],
[
22550,
4136,
16492,
8439,
29871,
2,
3001,
13,
2,
13,
29906,
29946,
2,
13,
29871,
259,
],
],
device="cuda",
),
torch.tensor(
[
[
29946,
29945,
29953,
29906,
29896,
29945,
29900,
29906,
29896,
29945,
29906,
29953,
29896,
29945,
29906,
29946,
],
[
29871,
2,
29901,
29889,
29871,
2,
395,
259,
29901,
29871,
2,
29889,
3001,
1234,
7146,
2186,
],
],
device="cuda",
),
torch.tensor(
[
[
29946,
29974,
29945,
29930,
29889,
29922,
29974,
29930,
29974,
29946,
29930,
29922,
29889,
29974,
29945,
29922,
],
[
29941,
29906,
2,
29946,
29871,
450,
319,
14990,
29946,
29941,
2,
29906,
29871,
2,
3001,
13,
],
],
device="cuda",
),
]
parents_list = [
torch.tensor(
[[-1, 0, 1, 2, 3], [-1, 0, 1, 2, 3]], dtype=torch.int64, device="cuda"
),
torch.tensor(
[[4, 8, 9, 10], [4, 5, 6, 7]], dtype=torch.int64, device="cuda"
),
torch.tensor(
[[20, 24, 21, 28], [24, 28, 20, 21]], dtype=torch.int64, device="cuda"
),
torch.tensor(
[[36, 40, 41, 44], [36, 40, 44, 45]], dtype=torch.int64, device="cuda"
),
]
seq_lens = torch.tensor([5, 10], dtype=torch.int64, device="cuda")
topk = 4
depth = 4
num_draft_token = 8
parent_list, top_scores_index, draft_tokens = organize_draft_results(
score_list, token_list, parents_list, num_draft_token
)
(
tree_mask,
position,
retrieve_index,
retrieve_next_token,
retrieve_next_sibling,
draft_tokens,
) = build_tree_kernel_efficient(
verified_id=verified_id,
parent_list=parent_list,
top_scores_index=top_scores_index,
draft_tokens=draft_tokens,
seq_lens=seq_lens,
seq_lens_sum=torch.sum(seq_lens).item(),
topk=topk,
spec_steps=depth,
num_verify_tokens=num_draft_token,
)
# Verify expected outputs
self.assertEqual(
position.tolist(),
[5, 6, 6, 7, 7, 8, 8, 9, 10, 11, 12, 12, 12, 12, 13, 14],
"Position tensor does not match expected values",
)
self.assertEqual(
retrieve_index.tolist(),
[
[0, 1, 2, 3, 4, 5, 6, 7],
[8, 9, 10, 11, 12, 13, 14, 15],
],
"Retrieve index tensor does not match expected values",
)
self.assertEqual(
retrieve_next_token.tolist(),
[
[1, 3, 4, 5, 6, 7, -1, -1],
[1, 2, -1, 6, -1, -1, 7, -1],
],
"Retrieve next token tensor does not match expected values",
)
self.assertEqual(
retrieve_next_sibling.tolist(),
[
[-1, 2, -1, -1, -1, -1, -1, -1],
[-1, -1, 3, 4, 5, -1, -1, -1],
],
"Retrieve next sibling tensor does not match expected values",
)
self.assertEqual(
draft_tokens.tolist(),
[
29974,
29896,
29906,
29889,
29974,
29946,
29896,
29946,
13,
13,
22550,
4136,
16492,
8439,
29871,
29941,
],
"Draft tokens tensor does not match expected values",
)
if __name__ == "__main__":
unittest.main()