156 lines
4.5 KiB
Python
156 lines
4.5 KiB
Python
import os
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import unittest
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from sglang.test.ci.ci_register import register_cuda_ci
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from sglang.test.kits.eval_accuracy_kit import GSM8KMixin
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from sglang.test.kits.kl_divergence_kit import KLDivergenceMixin
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from sglang.test.kits.prefix_cache_branching_kit import PrefixCacheBranchingMixin
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from sglang.test.server_fixtures.default_fixture import DefaultServerBase
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register_cuda_ci(est_time=290, stage="base-c", runner_config="4-gpu-h100")
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QWEN3_NEXT_MODEL = "Qwen/Qwen3-Next-80B-A3B-Instruct"
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def _mtp_args(*, strategy, steps, topk, draft_tokens, track_interval):
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return [
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"--trust-remote-code",
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"--speculative-algorithm",
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"NEXTN",
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"--speculative-num-steps",
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str(steps),
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"--speculative-eagle-topk",
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str(topk),
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"--speculative-num-draft-tokens",
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str(draft_tokens),
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"--mem-fraction-static",
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"0.8",
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"--tp",
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"4",
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"--chunked-prefill-size",
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"2048",
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"--mamba-scheduler-strategy",
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strategy,
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"--mamba-track-interval",
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str(track_interval),
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]
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class TestQwen3NextMTPTopk(
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GSM8KMixin, KLDivergenceMixin, PrefixCacheBranchingMixin, DefaultServerBase
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):
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# topk > 1 (tree) MTP on a hybrid-GDN model, on spec v2: the tree-aware mamba
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# state update lives in the spec v2 verify path, so mamba + topk > 1 no longer
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# falls back to spec v1.
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model = QWEN3_NEXT_MODEL
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cache_chunk_size = 64
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gsm8k_accuracy_thres = 0.93
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kl_div_thres = 0.008
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other_args = [
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"--trust-remote-code",
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"--speculative-algorithm",
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"NEXTN",
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"--speculative-num-steps",
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"5",
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"--speculative-eagle-topk",
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"4",
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"--speculative-num-draft-tokens",
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"8",
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"--mem-fraction-static",
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"0.8",
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"--tp",
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"4",
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"--chunked-prefill-size",
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"2048",
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"--mamba-scheduler-strategy",
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"extra_buffer",
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"--mamba-track-interval",
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"128",
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]
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@unittest.skip(
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"Manual-only: topk == 1 is covered by TestQwen3NextMTPLazyV2 and extra_buffer "
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"by TestQwen3NextMTPTopk. Kept runnable locally for the plain (topk=1, "
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"extra_buffer) baseline."
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)
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class TestQwen3NextMTPV2(GSM8KMixin, KLDivergenceMixin, DefaultServerBase):
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model = QWEN3_NEXT_MODEL
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gsm8k_accuracy_thres = 0.93
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kl_div_thres = 0.0035
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other_args = [
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"--trust-remote-code",
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"--speculative-algorithm",
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"NEXTN",
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"--speculative-num-steps",
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"3",
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"--speculative-eagle-topk",
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"1",
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"--speculative-num-draft-tokens",
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"4",
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"--mem-fraction-static",
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"0.8",
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"--tp",
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"4",
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"--chunked-prefill-size",
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"2048",
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"--mamba-scheduler-strategy",
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"extra_buffer",
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"--mamba-track-interval",
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"128",
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]
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class TestQwen3NextMTPLazyV2(
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GSM8KMixin, KLDivergenceMixin, PrefixCacheBranchingMixin, DefaultServerBase
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):
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# extra_buffer_lazy + MTP: the pending-slot track plan
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# (mamba_lazy_spec_prepare / _mamba_lazy_spec_confirm_crossing) replaces
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# the per-req second ping-pong slot. Branching mixin exercises donation
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# of lazily tracked states.
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model = QWEN3_NEXT_MODEL
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cache_chunk_size = 64
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gsm8k_accuracy_thres = 0.93
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kl_div_thres = 0.0035
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other_args = _mtp_args(
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strategy="extra_buffer_lazy",
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steps=3,
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topk=1,
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draft_tokens=4,
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track_interval=128,
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)
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@unittest.skip("Manual-only: forces all lazy spec preallocs to fail")
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class TestQwen3NextMTPLazyAllocFail(GSM8KMixin, KLDivergenceMixin, DefaultServerBase):
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# Small track interval (= draft tokens) maximizes boundary crossings;
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# forced alloc failure exercises the in-place fallback and the
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# finished-req skip-insert path on every crossing.
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model = QWEN3_NEXT_MODEL
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cache_chunk_size = 64
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gsm8k_accuracy_thres = 0.93
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kl_div_thres = 0.0035
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other_args = _mtp_args(
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strategy="extra_buffer_lazy",
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steps=3,
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topk=1,
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draft_tokens=4,
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track_interval=4,
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)
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@classmethod
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def setUpClass(cls):
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os.environ["SGLANG_TEST_MAMBA_LAZY_ALLOC_FAIL"] = "1"
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os.environ["SGLANG_TEST_SKIP_CACHE_HIT_ASSERT"] = "1"
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super().setUpClass()
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@classmethod
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def tearDownClass(cls):
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super().tearDownClass()
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os.environ.pop("SGLANG_TEST_MAMBA_LAZY_ALLOC_FAIL", None)
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os.environ.pop("SGLANG_TEST_SKIP_CACHE_HIT_ASSERT", None)
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if __name__ == "__main__":
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unittest.main()
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