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[UnifiedTree] Support deepseek v4 host pool layout #25282

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Merged
hzh0425 merged 19 commits into from
May 19, 2026
Merged

[UnifiedTree] Support deepseek v4 host pool layout #25282

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cb93e49
upd ci test
hzh0425 May 13, 2026
e93952c
upd test
hzh0425 May 13, 2026
f67e742
upd test
hzh0425 May 14, 2026
5bd257b
support deepseek v4 host pool layout
huangtingwei9988 May 14, 2026
27944ca
opt
huangtingwei9988 May 15, 2026
228532a
opt
huangtingwei9988 May 15, 2026
6737166
opt
huangtingwei9988 May 15, 2026
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opt
huangtingwei9988 May 15, 2026
6d1eab1
fix ci
huangtingwei9988 May 15, 2026
9c62c96
merge main
huangtingwei9988 May 15, 2026
1df9b90
fix
huangtingwei9988 May 15, 2026
d4af9a4
upd
hzh0425 May 15, 2026
350bfed
fix ci
huangtingwei9988 May 16, 2026
d500d49
fix ci
huangtingwei9988 May 16, 2026
194b341
merge main
huangtingwei9988 May 16, 2026
135d64d
merge main
huangtingwei9988 May 16, 2026
8779f6d
fix ci
huangtingwei9988 May 17, 2026
99de29f
fix ci
huangtingwei9988 May 18, 2026
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huangtingwei9988 May 18, 2026
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7 changes: 7 additions & 0 deletions python/sglang/srt/mem_cache/hybrid_cache/hybrid_pool_assembler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -322,6 +322,7 @@ def build_deepseek_v4_hicache_stack(
item_bytes=kvcache.swa_kv_pool.bytes_per_page_padded,
num_host_pages=swa_num_host_pages,
slot_page_size=kvcache.swa_page_size,
layout=server_args.hicache_mem_layout,
allocator_type=server_args.hicache_storage_backend,
)
swa_attn_allocator = params.token_to_kv_pool_allocator.swa_attn_allocator
Expand Down Expand Up @@ -354,6 +355,7 @@ def build_deepseek_v4_hicache_stack(
item_bytes=kvcache.c4_kv_pool.bytes_per_page_padded,
num_host_pages=num_host_pages,
slot_page_size=page_size,
layout=server_args.hicache_mem_layout,
allocator_type=server_args.hicache_storage_backend,
)
c4_indexer_host_pool = DeepSeekV4PagedHostPool(
Expand All @@ -365,6 +367,7 @@ def build_deepseek_v4_hicache_stack(
),
num_host_pages=num_host_pages,
slot_page_size=page_size,
layout=server_args.hicache_mem_layout,
allocator_type=server_args.hicache_storage_backend,
)
c4_state_host_pool = DeepSeekV4StateHostPool(
Expand All @@ -375,6 +378,7 @@ def build_deepseek_v4_hicache_stack(
],
num_host_pages=swa_num_host_pages,
swa_page_size=kvcache.swa_page_size,
layout=server_args.hicache_mem_layout,
allocator_type=server_args.hicache_storage_backend,
)
c4_indexer_state_host_pool = DeepSeekV4StateHostPool(
Expand All @@ -385,6 +389,7 @@ def build_deepseek_v4_hicache_stack(
],
num_host_pages=swa_num_host_pages,
swa_page_size=kvcache.swa_page_size,
layout=server_args.hicache_mem_layout,
allocator_type=server_args.hicache_storage_backend,
)
entries.extend(
Expand Down Expand Up @@ -427,6 +432,7 @@ def build_deepseek_v4_hicache_stack(
item_bytes=kvcache.c128_kv_pool.bytes_per_page_padded,
num_host_pages=num_host_pages,
slot_page_size=page_size,
layout=server_args.hicache_mem_layout,
allocator_type=server_args.hicache_storage_backend,
)
c128_state_host_pool = DeepSeekV4StateHostPool(
Expand All @@ -437,6 +443,7 @@ def build_deepseek_v4_hicache_stack(
],
num_host_pages=swa_num_host_pages,
swa_page_size=kvcache.swa_page_size,
layout=server_args.hicache_mem_layout,
allocator_type=server_args.hicache_storage_backend,
)
entries.extend(
Expand Down
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