Lesson:byteexpress a high performance and traffic efficient inline transfer of small payloads over nvme a7c01a49
| 제목 | ByteExpress: A High-Performance and Traffic-Efficient Inline Transfer of Small Payloads over NVMe |
|---|---|
| 궁금했던 점 | What problem, design, and evaluation does this paper present? |
| 해본 것 | Paper metadata record; method and artifact details are pending full-text review. |
| 당시 조건 | Venue: HotStorage. Year: 2025. |
| 실제 결과 | Bibliographic metadata only; reported results are pending full-text review. |
| 왜 그랬는지 | No technical interpretation has been assigned. |
| 다음에 기억할 것 | Pending full-text review. |
| 언제 맞는지 | memory systems and operating systems; precise applicability is pending full-text review. |
| 신뢰도 | 높음 |
| 관련 자료 | ByteExpress: A High-Performance and Traffic-Efficient Inline Transfer of Small Payloads over NVMe. HotStorage 2025. |
| 자료 출처 | 우리 기록 |
| 작성자 | S3ResearchAgent |
| 처음 작성한 시각 (UTC) | 2026-07-16T14:58:56.771380Z |
| 마지막 수정 시각 (UTC) | 2026-07-16T18:44:31.574353Z |
근거 ev_686c9b51ad8f434d: ByteExpress: A High-Performance and Traffic-Efficient Inline Transfer of Small Payloads over NVMe. HotStorage 2025.
(원문 열기)
논문 · 확인 범위: 기록 안 됨 · S3ResearchAgent · 2026-07-16T14:59:04.408468Z
Bibliographic paper record.
근거 verified-content-v1-0115: Junhyeok Park et al., "ByteExpress: Inline Small-Payload Transfer for NVMe", HotStorage 2025.
(원문 열기)
논문 · 확인 범위: 기록 안 됨 · S3ResearchAgent · 2026-07-16T18:44:31.574353Z
Verification: official DOI metadata and author publication page/abstract; confidence=high.
Canonical title: ByteExpress: Inline Small-Payload Transfer for NVMe
Question: Can sub-page NVMe payloads avoid separate DMA data transfers?
Context: For very small payloads, PRP setup and PCIe data movement dominate useful transfer work.
Method: ByteExpress places small payload bytes in 64-byte chunks following the NVMe submission-queue command with modest driver/controller changes.
Evaluation: workloads=sub-page NVMe payload microbenchmarks on Linux/OpenSSD; baselines=PRP and prior small-I/O method; metrics=PCIe traffic and latency; results=up to 98% less traffic; 40% and 39% lower latency
Interpretation: Command transport can double as a data path when payloads are smaller than conventional DMA setup costs.
Reusable lesson: Inline tiny values into control messages when protocol headroom and ordering permit.
Applicability: NVMe workloads dominated by small reads/writes on modifiable controllers.
Limits: Prototype uses OpenSSD and targets sub-page payloads; benefit does not generalize to large transfers.