# R4: FX100 KV Cache Benchmark (480B, Multi-Instance, No. -006)

> The official compilation of R2 and R3, issued by a third-party testing organization as report No. -006. If your procurement or compliance process needs a document from an independent body, this is the one to cite.

URL: https://vuke.top/en/evidence/R4 · Updated November 12, 2026

The official compilation of R2 and R3, issued by a third-party testing organization as report No. -006. If your procurement or compliance process needs a document from an independent body, this is the one to cite.

- Report: R4
- Date: 2026-07-06
- Type: Official third-party test report
- Test platform: 8 × AMD Instinct MI308X · ROCm 7.2

## Key findings

- Compiles every measured conclusion from R2 (TP8) and R3 (TP4×2)
- Issued by a third-party testing organization as report No. -006

## Test platform

- Accelerators: 8 × AMD Instinct MI308X (192 GB HBM each, gfx942)
- Host: 2 × AMD EPYC 9654 (384 threads), about 1.5 TB RAM
- Software stack: ROCm 7.2 · vLLM 0.20.1+rocm721 · LMCache (built from upstream mainline, 2026-06-29)
- Device under test: FX100 all-flash NVMe-oF array: 4-drive RAID0 (14 TB, XFS), RoCEv2, one 100 GbE port
- Baselines: A single local NVMe drive (PCIe Gen4, 2 TB); no external storage, full recompute
- 480B model: Qwen3-Coder-480B-FP8 (MoE, about 450 GB of weights)

## Request the original reports

Tell us which report IDs you need and what for, and we will reply with how to get them. The R8 code export and raw data are provided on request in the same way.

- Company: Xinyuanyi (Tianjin) Semiconductor Equipment Co., Ltd.
- Contact: Wang Limin
- Phone: +86 131 6181 8898
- Email: mingxin@agentmail.to (The inbox is monitored and triaged by AI around the clock)