[UnifiedTree]: Split unified tree kl ci into multiple files to reduce GPU usage. (#26666)

test/registered/radix_cache/test_unified_radix_cache_kl_hicache_part2.py

@@ -1,77 +0,0 @@
-import os
-import shutil
-import tempfile
-import unittest
-
-from test_unified_radix_cache_kl_hicache_nightly import AccuracyTwoPassMixin
-
-from sglang.srt.utils import kill_process_tree
-from sglang.test.ci.ci_register import register_cuda_ci
-from sglang.test.test_utils import (
-    DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
-    DEFAULT_URL_FOR_TEST,
-    CustomTestCase,
-    popen_launch_server,
-)
-
-MAMBA_MODEL = "Qwen/Qwen3-Next-80B-A3B-Instruct"
-MAMBA_TRACK_INTERVAL = 128
-
-register_cuda_ci(est_time=768, stage="base-c", runner_config="8-gpu-h200")
-
-
-class TestUnifiedMambaHiCacheL3(AccuracyTwoPassMixin, CustomTestCase):
-    """Mamba hybrid + HiCache L3 (file backend) + UnifiedRadixCache."""
-
-    @classmethod
-    def setUpClass(cls):
-        cls.model = MAMBA_MODEL
-        cls.base_url = DEFAULT_URL_FOR_TEST
-        cls.hicache_dir = tempfile.mkdtemp(prefix="hicache_l3_mamba_")
-        cls.process = popen_launch_server(
-            cls.model,
-            cls.base_url,
-            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
-            other_args=[
-                "--tp-size",
-                "4",
-                "--chunked-prefill-size",
-                "2048",
-                "--mem-fraction-static",
-                "0.85",
-                "--mamba-scheduler-strategy",
-                "extra_buffer",
-                "--mamba-track-interval",
-                str(MAMBA_TRACK_INTERVAL),
-                "--enable-hierarchical-cache",
-                "--hicache-ratio",
-                "2",
-                "--hicache-write-policy",
-                "write_through",
-                "--hicache-storage-prefetch-policy",
-                "wait_complete",
-                "--hicache-io-backend",
-                "direct",
-                "--hicache-mem-layout",
-                "page_first_direct",
-                "--hicache-storage-backend",
-                "file",
-                "--max-mamba-cache-size",
-                "500",
-                "--weight-loader-prefetch-checkpoints",
-            ],
-            env={
-                "SGLANG_ENABLE_UNIFIED_RADIX_TREE": "1",
-                "SGLANG_HICACHE_FILE_BACKEND_STORAGE_DIR": cls.hicache_dir,
-            },
-        )
-
-    @classmethod
-    def tearDownClass(cls):
-        kill_process_tree(cls.process.pid)
-        if os.path.isdir(cls.hicache_dir):
-            shutil.rmtree(cls.hicache_dir, ignore_errors=True)
-
-
-if __name__ == "__main__":
-    unittest.main()

test/registered/radix_cache/test_unified_radix_cache_kl_mamba.py

@@ -1,66 +0,0 @@
-import unittest
-
-from sglang.srt.utils import kill_process_tree
-from sglang.test.ci.ci_register import register_cuda_ci
-from sglang.test.kits.unified_radix_cache_kit import UnifiedRadixTreeTestMixin
-from sglang.test.kl_multiturn_utils import (
-    get_input_ids,
-    make_mamba_decode_assert,
-    make_mamba_prefill_assert,
-)
-from sglang.test.test_utils import (
-    DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
-    DEFAULT_URL_FOR_TEST,
-    CustomTestCase,
-    popen_launch_server,
-)
-
-register_cuda_ci(est_time=250, stage="base-c", runner_config="4-gpu-h100")
-
-MAMBA_MODEL = "Qwen/Qwen3-Next-80B-A3B-Instruct"
-MAMBA_CHUNK_SIZE = 64
-MAMBA_TRACK_INTERVAL = 128
-
-
-class TestUnifiedMambaRadixCache(UnifiedRadixTreeTestMixin, CustomTestCase):
-    """Mamba hybrid + UnifiedRadixCache."""
-
-    kl_threshold = 0.003
-    prefill_cache_assert = staticmethod(
-        make_mamba_prefill_assert(chunk_size=MAMBA_CHUNK_SIZE)
-    )
-    decode_cache_assert = staticmethod(
-        make_mamba_decode_assert(track_interval=MAMBA_TRACK_INTERVAL)
-    )
-
-    @classmethod
-    def setUpClass(cls):
-        cls.model = MAMBA_MODEL
-        cls.base_url = DEFAULT_URL_FOR_TEST
-        cls.process = popen_launch_server(
-            cls.model,
-            cls.base_url,
-            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
-            other_args=[
-                "--tp-size",
-                "4",
-                "--chunked-prefill-size",
-                "2048",
-                "--mem-fraction-static",
-                "0.85",
-                "--mamba-scheduler-strategy",
-                "extra_buffer",
-                "--mamba-track-interval",
-                str(MAMBA_TRACK_INTERVAL),
-            ],
-            env={"SGLANG_ENABLE_UNIFIED_RADIX_TREE": "1"},
-        )
-        cls.input_ids = get_input_ids(cls.model, num_samples=18)
-
-    @classmethod
-    def tearDownClass(cls):
-        kill_process_tree(cls.process.pid)
-
-
-if __name__ == "__main__":
-    unittest.main()

test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_dsv4.py

@@ -3,83 +3,18 @@ import unittest
 from sglang.srt.utils import kill_process_tree
 from sglang.test.ci.ci_register import register_cuda_ci
 from sglang.test.kits.unified_radix_cache_kit import UnifiedRadixTreeTestMixin
-from sglang.test.kl_multiturn_utils import (
+from sglang.test.kl_multiturn_utils import get_input_ids
-    get_input_ids,
-    make_mamba_decode_assert,
-    make_mamba_prefill_assert,
-)
 from sglang.test.test_utils import (
-    DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
     DEFAULT_URL_FOR_TEST,
     CustomTestCase,
     is_in_ci,
     popen_launch_server,
 )
 
-MAMBA_MODEL = "Qwen/Qwen3-Next-80B-A3B-Instruct"
-MAMBA_CHUNK_SIZE = 64
-MAMBA_TRACK_INTERVAL = 128
-
 DSV4_FLASH_MODEL = "sgl-project/DeepSeek-V4-Flash-FP8"
 DSV4_FLASH_LAUNCH_TIMEOUT = 3600
 
-register_cuda_ci(est_time=768, stage="base-c", runner_config="8-gpu-h200")
+register_cuda_ci(est_time=768, stage="base-c", runner_config="4-gpu-h100")
-
-
-class TestUnifiedMambaHiCache(UnifiedRadixTreeTestMixin, CustomTestCase):
-    """Mamba hybrid + HiCache + UnifiedRadixCache."""
-
-    kl_threshold = 0.005
-    prefill_cache_assert = staticmethod(
-        make_mamba_prefill_assert(chunk_size=MAMBA_CHUNK_SIZE)
-    )
-    decode_cache_assert = staticmethod(
-        make_mamba_decode_assert(track_interval=MAMBA_TRACK_INTERVAL)
-    )
-
-    @classmethod
-    def setUpClass(cls):
-        cls.model = MAMBA_MODEL
-        cls.base_url = DEFAULT_URL_FOR_TEST
-        cls.process = popen_launch_server(
-            cls.model,
-            cls.base_url,
-            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
-            other_args=[
-                "--tp-size",
-                "4",
-                "--chunked-prefill-size",
-                "2048",
-                "--mem-fraction-static",
-                "0.85",
-                "--mamba-scheduler-strategy",
-                "extra_buffer",
-                "--mamba-track-interval",
-                str(MAMBA_TRACK_INTERVAL),
-                "--enable-hierarchical-cache",
-                "--hicache-ratio",
-                "4",
-                "--hicache-write-policy",
-                "write_through",
-                "--hicache-io-backend",
-                "direct",
-                "--hicache-mem-layout",
-                "page_first_direct",
-                "--max-total-tokens",
-                "12000",
-                "--max-mamba-cache-size",
-                "500",
-                "--max-running-requests",
-                "4",
-                "--weight-loader-prefetch-checkpoints",
-            ],
-            env={"SGLANG_ENABLE_UNIFIED_RADIX_TREE": "1"},
-        )
-        cls.input_ids = get_input_ids(cls.model, num_samples=18)
-
-    @classmethod
-    def tearDownClass(cls):
-        kill_process_tree(cls.process.pid)
 
 
 def _assert_dsv4_decode_cached_tokens(result, history_len, output_len, label):

test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_full.py

@@ -11,7 +11,7 @@ from sglang.test.test_utils import (
     popen_launch_server,
 )
 
-register_cuda_ci(est_time=250, stage="base-c", runner_config="4-gpu-h100")
+register_cuda_ci(est_time=250, stage="base-b", runner_config="2-gpu-large")
 
 FULL_MODEL = "Qwen/Qwen3-32B"
 
@@ -31,7 +31,7 @@ class TestUnifiedFullRadixCache(UnifiedRadixTreeTestMixin, CustomTestCase):
             timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
             other_args=[
                 "--tp-size",
-                "4",
+                "2",
                 "--mem-fraction-static",
                 "0.80",
                 "--page-size",

test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_mamba.py

@@ -0,0 +1,186 @@
+import os
+import shutil
+import tempfile
+import unittest
+
+from test_unified_radix_cache_kl_hicache_nightly import AccuracyTwoPassMixin
+
+from sglang.srt.utils import kill_process_tree
+from sglang.test.ci.ci_register import register_cuda_ci
+from sglang.test.kits.unified_radix_cache_kit import UnifiedRadixTreeTestMixin
+from sglang.test.kl_multiturn_utils import (
+    get_input_ids,
+    make_mamba_decode_assert,
+    make_mamba_prefill_assert,
+)
+from sglang.test.test_utils import (
+    DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
+    DEFAULT_URL_FOR_TEST,
+    CustomTestCase,
+    popen_launch_server,
+)
+
+register_cuda_ci(est_time=768, stage="base-c", runner_config="4-gpu-h100")
+
+MAMBA_MODEL = "Qwen/Qwen3-Next-80B-A3B-Instruct-FP8"
+MAMBA_CHUNK_SIZE = 64
+MAMBA_TRACK_INTERVAL = 128
+
+
+class TestUnifiedMambaRadixCache(UnifiedRadixTreeTestMixin, CustomTestCase):
+    """Mamba hybrid + UnifiedRadixCache."""
+
+    kl_threshold = 0.003
+    prefill_cache_assert = staticmethod(
+        make_mamba_prefill_assert(chunk_size=MAMBA_CHUNK_SIZE)
+    )
+    decode_cache_assert = staticmethod(
+        make_mamba_decode_assert(track_interval=MAMBA_TRACK_INTERVAL)
+    )
+
+    @classmethod
+    def setUpClass(cls):
+        cls.model = MAMBA_MODEL
+        cls.base_url = DEFAULT_URL_FOR_TEST
+        cls.process = popen_launch_server(
+            cls.model,
+            cls.base_url,
+            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
+            other_args=[
+                "--tp-size",
+                "4",
+                "--chunked-prefill-size",
+                "2048",
+                "--mem-fraction-static",
+                "0.85",
+                "--mamba-scheduler-strategy",
+                "extra_buffer",
+                "--mamba-track-interval",
+                str(MAMBA_TRACK_INTERVAL),
+            ],
+            env={"SGLANG_ENABLE_UNIFIED_RADIX_TREE": "1"},
+        )
+        cls.input_ids = get_input_ids(cls.model, num_samples=18)
+
+    @classmethod
+    def tearDownClass(cls):
+        kill_process_tree(cls.process.pid)
+
+
+# ─── Mamba + HiCache L2 ──────────────────────────────────────────────────────
+
+
+class TestUnifiedMambaHiCache(UnifiedRadixTreeTestMixin, CustomTestCase):
+    """Mamba hybrid + HiCache L2 + UnifiedRadixCache."""
+
+    kl_threshold = 0.005
+    prefill_cache_assert = staticmethod(
+        make_mamba_prefill_assert(chunk_size=MAMBA_CHUNK_SIZE)
+    )
+    decode_cache_assert = staticmethod(
+        make_mamba_decode_assert(track_interval=MAMBA_TRACK_INTERVAL)
+    )
+
+    @classmethod
+    def setUpClass(cls):
+        cls.model = MAMBA_MODEL
+        cls.base_url = DEFAULT_URL_FOR_TEST
+        cls.process = popen_launch_server(
+            cls.model,
+            cls.base_url,
+            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
+            other_args=[
+                "--tp-size",
+                "4",
+                "--chunked-prefill-size",
+                "2048",
+                "--mem-fraction-static",
+                "0.85",
+                "--mamba-scheduler-strategy",
+                "extra_buffer",
+                "--mamba-track-interval",
+                str(MAMBA_TRACK_INTERVAL),
+                "--enable-hierarchical-cache",
+                "--hicache-ratio",
+                "4",
+                "--hicache-write-policy",
+                "write_through",
+                "--hicache-io-backend",
+                "direct",
+                "--hicache-mem-layout",
+                "page_first_direct",
+                "--max-total-tokens",
+                "12000",
+                "--max-mamba-cache-size",
+                "500",
+                "--max-running-requests",
+                "4",
+                "--weight-loader-prefetch-checkpoints",
+            ],
+            env={"SGLANG_ENABLE_UNIFIED_RADIX_TREE": "1"},
+        )
+        cls.input_ids = get_input_ids(cls.model, num_samples=18)
+
+    @classmethod
+    def tearDownClass(cls):
+        kill_process_tree(cls.process.pid)
+
+
+# ─── Mamba + HiCache L3 (file backend) ───────────────────────────────────────
+
+
+class TestUnifiedMambaHiCacheL3(AccuracyTwoPassMixin, CustomTestCase):
+    """Mamba hybrid + HiCache L3 (file backend) + UnifiedRadixCache."""
+
+    @classmethod
+    def setUpClass(cls):
+        cls.model = MAMBA_MODEL
+        cls.base_url = DEFAULT_URL_FOR_TEST
+        cls.hicache_dir = tempfile.mkdtemp(prefix="hicache_l3_mamba_")
+        cls.process = popen_launch_server(
+            cls.model,
+            cls.base_url,
+            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
+            other_args=[
+                "--tp-size",
+                "4",
+                "--chunked-prefill-size",
+                "2048",
+                "--mem-fraction-static",
+                "0.85",
+                "--mamba-scheduler-strategy",
+                "extra_buffer",
+                "--mamba-track-interval",
+                str(MAMBA_TRACK_INTERVAL),
+                "--enable-hierarchical-cache",
+                "--hicache-ratio",
+                "2",
+                "--hicache-write-policy",
+                "write_through",
+                "--hicache-storage-prefetch-policy",
+                "wait_complete",
+                "--hicache-io-backend",
+                "direct",
+                "--hicache-mem-layout",
+                "page_first_direct",
+                "--hicache-storage-backend",
+                "file",
+                "--max-mamba-cache-size",
+                "500",
+                "--weight-loader-prefetch-checkpoints",
+            ],
+            env={
+                "SGLANG_ENABLE_UNIFIED_RADIX_TREE": "1",
+                "SGLANG_HICACHE_FILE_BACKEND_STORAGE_DIR": cls.hicache_dir,
+            },
+        )
+
+    @classmethod
+    def tearDownClass(cls):
+        kill_process_tree(cls.process.pid)
+        if os.path.isdir(cls.hicache_dir):
+            shutil.rmtree(cls.hicache_dir, ignore_errors=True)
+
+
+if __name__ == "__main__":
+    unittest.main()

test/registered/radix_cache/unified_radix_tree/test_unified_radix_cache_kl_swa.py

@@ -12,7 +12,7 @@ from sglang.test.test_utils import (
     popen_launch_server,
 )
 
-register_cuda_ci(est_time=250, stage="base-c", runner_config="4-gpu-h100")
+register_cuda_ci(est_time=250, stage="base-b", runner_config="2-gpu-large")
 
 SWA_MODEL = "openai/gpt-oss-20b"
 
@@ -38,7 +38,7 @@ class TestUnifiedSWARadixCache(UnifiedRadixTreeTestMixin, CustomTestCase):
             timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
             other_args=[
                 "--tp-size",
-                "4",
+                "2",
                 "--mem-fraction-static",
                 "0.7",
                 "--disable-piecewise-cuda-graph",