[EPLB][Bugfix] policy_swift_balancer bugfix and renaming (#5897)

### What this PR does / why we need it?
1. Rename dynamic_ep to default_eplb.
2. Rename dynamic_ep_v2 to swift_balancer
3. Discard func compose_expert_update_info_bipartite.

- vLLM version: v0.13.0
- vLLM main:
bde38c11df

Signed-off-by: shenchuxiaofugui <1311027364@qq.com>

vllm_ascend/eplb/core/policy/policy_default_eplb.py

@@ -24,7 +24,7 @@ class DynamicTable:
     placement_table = None
 
 
-class DynamicEplb(EplbPolicy):
+class DefaultEplb(EplbPolicy):
 
     def __init__(self, config: DynamicConfig):
         super().__init__(config)

vllm_ascend/eplb/core/policy/policy_factory.py

@@ -1,8 +1,8 @@
 # Copyright Huawei Technologies Co., Ltd. 2023-2024. All rights reserved.
 # Todo: Once https://github.com/vllm-project/vllm/pull/24069 is merged in vllm. Remove this factory.
 from .policy_abstract import DynamicConfig, EplbPolicy
-from .policy_dynamic_ep import DynamicEplb
-from .policy_dynamic_ep_v2 import DynamicEplbV2
+from .policy_default_eplb import DefaultEplb
+from .policy_swift_balancer import SwiftBalanceEplb
 from .policy_flashlb import FlashLB, warm_up
 from .policy_random import RandomLoadBalance
 
@@ -20,9 +20,9 @@ class PolicyFactory:
             0:
             RandomLoadBalance,  # RandomLoadBalance: shuffle last physical expert on NPU 1 and 3
             1:
-            DynamicEplb,  # Dynamic EPLB policy: overall expert replacement based on current moe load
+            DefaultEplb,  # Dynamic EPLB policy: overall expert replacement based on current moe load
             2:
-            DynamicEplbV2,  # Dynamic EPLB policy V2:  expert replacement with constrained number of expert shuffle
+            SwiftBalanceEplb,  # Dynamic EPLB policy V2:  expert replacement with constrained number of expert shuffle
             3:
             FlashLB,  # FlashLB EPLB policy: expert replacement based on Joint Optimization, Multi-Shot Enhancement and Incremental Adjustment
         }

vllm_ascend/eplb/core/policy/policy_swift_balancer.py

@@ -62,7 +62,7 @@ class DynamicTable:
     placement_table = None
 
 
-class DynamicEplbV2(EplbPolicy):
+class SwiftBalanceEplb(EplbPolicy):
 
     def __init__(self, config: DynamicConfig):
         super().__init__(config)