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Revert "feat(policy): cold-D bonus to break overlap-pinning death spiral"

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Implementation jumped ahead of design. The cold-D bonus is one of
several candidates for the overlap-pinning fix (others: load-floor
bonus, idle-D bonus, capacity-aware overlap discount, pre-warming
boilerplate). Need to evaluate the design space first, including
whether a single bonus is even the right shape vs a separate term
in the lex score, before committing to a specific knob.

This reverts commit 786cbb8 cleanly (forensic docs in bf4da28 and
7f2ebf3 are kept since they record observations, not designs).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
tim
2026-05-12 11:17:16 +08:00
parent 786cbb8d91
commit 976115ea5e
4 changed files with 3 additions and 67 deletions
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3
src/agentic_pd_hybrid/benchmark.py
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@@ -48,7 +48,6 @@ class BenchmarkConfig:
enable_backpressure: bool = False
backpressure_max_pause_s: float = 2.0
kvcache_migration_reject_threshold: int = 3
kvcache_cold_d_bonus: int = 0
sample_profile: str = "default"
min_initial_input_tokens: int | None = None
max_initial_input_tokens: int | None = None
@@ -201,7 +200,6 @@ def run_live_benchmark(config: BenchmarkConfig) -> BenchmarkArtifacts:
enable_backpressure=config.enable_backpressure,
backpressure_max_pause_s=config.backpressure_max_pause_s,
kvcache_migration_reject_threshold=config.kvcache_migration_reject_threshold,
kvcache_cold_d_bonus=config.kvcache_cold_d_bonus,
)
if config.request_timeout_s is not None:
replay_config = replace(
@@ -263,7 +261,6 @@ def run_live_benchmark(config: BenchmarkConfig) -> BenchmarkArtifacts:
"enable_backpressure": config.enable_backpressure,
"backpressure_max_pause_s": config.backpressure_max_pause_s,
"kvcache_migration_reject_threshold": config.kvcache_migration_reject_threshold,
"kvcache_cold_d_bonus": config.kvcache_cold_d_bonus,
"sample_profile": config.sample_profile,
"min_initial_input_tokens": config.min_initial_input_tokens,
"max_initial_input_tokens": config.max_initial_input_tokens,