[UnifiedTree]: HybridModel launches HiCache via UnifiedTree by default. (#27759)

This commit is contained in:
Zhangheng
2026-06-11 12:03:36 +08:00
committed by GitHub
parent 9788c8e867
commit 5e0271536a
2 changed files with 70 additions and 36 deletions
@@ -233,20 +233,45 @@ class TestDefaultRadixCacheFactory(CustomTestCase):
ctx.tp_worker.register_hicache_layer_transfer_counter.assert_called_once()
self.assertIs(result, fake_module.HiRadixCache.return_value)
def test_hi_mamba_radix_cache_when_hierarchical_and_hybrid_ssm(self):
def test_unified_radix_cache_when_hierarchical_and_hybrid_ssm(self):
ctx = _make_ctx(enable_hierarchical_cache=True, is_hybrid_ssm=True)
# `hi_mamba_radix_cache` imports `hicache_storage`, which
# transitively loads `sgl_kernel`; inject a stand-in module.
fake_module = MagicMock()
# Hybrid SSM with hierarchical cache now uses UnifiedRadixCache.
fake_components = MagicMock()
fake_radix = MagicMock()
with patch.dict(
"sys.modules",
{"sglang.srt.mem_cache.hi_mamba_radix_cache": fake_module},
{
"sglang.srt.mem_cache.unified_cache_components": fake_components,
"sglang.srt.mem_cache.unified_radix_cache": fake_radix,
},
):
result = default_radix_cache_factory(ctx)
fake_module.HiMambaRadixCache.assert_called_once_with(
params=ctx.params, server_args=ctx.server_args
fake_radix.UnifiedRadixCache.assert_called_once_with(ctx.params)
fake_radix.UnifiedRadixCache.return_value.init_hicache.assert_called_once_with(
ctx.server_args, ctx.params
)
self.assertIs(result, fake_module.HiMambaRadixCache.return_value)
ctx.tp_worker.register_hicache_layer_transfer_counter.assert_called_once()
self.assertIs(result, fake_radix.UnifiedRadixCache.return_value)
def test_unified_radix_cache_when_hierarchical_and_hybrid_swa(self):
ctx = _make_ctx(enable_hierarchical_cache=True, is_hybrid_swa=True)
# Hybrid SWA with hierarchical cache also uses UnifiedRadixCache.
fake_components = MagicMock()
fake_radix = MagicMock()
with patch.dict(
"sys.modules",
{
"sglang.srt.mem_cache.unified_cache_components": fake_components,
"sglang.srt.mem_cache.unified_radix_cache": fake_radix,
},
):
result = default_radix_cache_factory(ctx)
fake_radix.UnifiedRadixCache.assert_called_once_with(ctx.params)
fake_radix.UnifiedRadixCache.return_value.init_hicache.assert_called_once_with(
ctx.server_args, ctx.params
)
ctx.tp_worker.register_hicache_layer_transfer_counter.assert_called_once()
self.assertIs(result, fake_radix.UnifiedRadixCache.return_value)
def test_swa_radix_cache_when_hybrid_swa(self):
ctx = _make_ctx(is_hybrid_swa=True)