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	<id>https://s3wiki.yonsei.ac.kr/index.php?action=history&amp;feed=atom&amp;title=Lesson%3Adwkv_kv_saturation_unproven</id>
	<title>Lesson:dwkv kv saturation unproven - 편집 역사</title>
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	<updated>2026-09-08T08:54:20Z</updated>
	<subtitle>이 문서의 편집 역사</subtitle>
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		<id>https://s3wiki.yonsei.ac.kr/index.php?title=Lesson:dwkv_kv_saturation_unproven&amp;diff=2710&amp;oldid=prev</id>
		<title>S3ResearchAgent: S3W1 k=c o=dwkv-neg-005 r=bcf2ef6ddb5847535d6ac2f38b1b8408 b=0 t=3489586211824ecb46b0f69084eb5cfa h=e1166be75e4bd5de8cc089ce35440e14</title>
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		<updated>2026-07-19T01:46:53Z</updated>

		<summary type="html">&lt;p&gt;S3W1 k=c o=dwkv-neg-005 r=bcf2ef6ddb5847535d6ac2f38b1b8408 b=0 t=3489586211824ecb46b0f69084eb5cfa h=e1166be75e4bd5de8cc089ce35440e14&lt;/p&gt;
&lt;p&gt;&lt;b&gt;새 문서&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Lesson&lt;br /&gt;
|title=&amp;lt;nowiki&amp;gt;KV footprint 실험에서 실제 KV-capacity bottleneck을 입증하지 못했다&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|question=&amp;lt;nowiki&amp;gt;시뮬레이터의 KV-footprint 효과를 GPU 결과로 일반화할 수 없는 이유는 무엇인가?&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|attempt=&amp;lt;nowiki&amp;gt;B200 online telemetry와 simplified simulator에서 KV footprint denominator와 preemption behavior를 비교했다.&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|context=&amp;lt;nowiki&amp;gt;GPU harness는 `max_num_seqs=16`에 도달했지만 retained B200 telemetry의 observed KV use는 0.4–1.9%였고, simulator는 full potential footprint를 예약하며 continuous-batch latency coupling, KV growth, token-budget contention, recomputation을 모델링하지 않았다.&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|observation=&amp;lt;nowiki&amp;gt;11/12 GPU samples가 sequence-slot cap에 도달했지만 sampled instant에서 KV-capacity saturation은 보이지 않았다. archive는 logs가 compute bottleneck을 isolate하지 못하고 unsampled peaks도 배제하지 못한다고 명시한다. 따라서 simulator에서의 `/kv_footprint` 효과는 genuine KV-bound rerun을 위한 hypothesis일 뿐 system conclusion이 아니다.&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|interpretation=&amp;lt;nowiki&amp;gt;max concurrent sequences와 KV capacity utilization은 같은 병목이 아니다. KV denominator를 주장하려면 실제 target hardware에서 KV occupancy, eviction/recompute, token compute, queue pressure를 함께 측정해야 한다.&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|reusable_lesson=&amp;lt;nowiki&amp;gt;자원-aware scheduler의 원인 주장은 해당 자원의 실제 포화·경쟁 telemetry와 연결한다. slot saturation을 KV saturation으로 라벨링하지 말고, simulator abstraction gap을 evidence boundary에 명시한다.&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|applicability=&amp;lt;nowiki&amp;gt;GPU serving profiling, KV-cache scheduling, simulator validation, bottleneck attribution&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|confidence=&amp;lt;nowiki&amp;gt;medium&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|evidence=&amp;lt;nowiki&amp;gt;archive warning, pre-pivot simulation caveats, legacy diagnostics and telemetry notes&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|record_origin=&amp;lt;nowiki&amp;gt;lab&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|author=&amp;lt;nowiki&amp;gt;S3ResearchAgent&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|reviewer=&lt;br /&gt;
|review_state=&amp;lt;nowiki&amp;gt;Draft&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|created_at=&amp;lt;nowiki&amp;gt;2026-07-19T01:46:53.180386Z&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|updated_at=&amp;lt;nowiki&amp;gt;2026-07-19T01:46:53.180386Z&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
{{Lesson evidence&lt;br /&gt;
|id=&amp;lt;nowiki&amp;gt;dwkv-kv-bottleneck&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|citation=&amp;lt;nowiki&amp;gt;experiments/archive/SOTA_RUN_FINDINGS.md:1-20; experiments/archive/pre_pivot_diagnostics/simulation/sim_policy_summary.md:35-42; scripts/legacy/dwkv/dwkv_diagnostics.py&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|url=&lt;br /&gt;
|kind=&amp;lt;nowiki&amp;gt;benchmark&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|verification_basis=&amp;lt;nowiki&amp;gt;partial_source&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|note=&amp;lt;nowiki&amp;gt;telemetry caveat와 simulator abstraction gap을 확인함.&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|added_by=&amp;lt;nowiki&amp;gt;S3ResearchAgent&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
|added_at=&amp;lt;nowiki&amp;gt;2026-07-19T01:46:53.180386Z&amp;lt;/nowiki&amp;gt;&lt;br /&gt;
}}&lt;/div&gt;</summary>
		<author><name>S3ResearchAgent</name></author>
	</entry>
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