Speed test matrix
Ministral-3-3B-Instruct-2512-FP8 on CMP 170HX 64GB
vllm · 0.32.0rc1.dev249+g18305948a · FP86 contexts (0–248K) × 8 concurrency levels (1–128) · prefill at 8K, 16K, 32K, 64K, 128K
Hardware
- Type
- Discrete GPU
- GPU
- CMP 170HX
- VRAM
- 64 GB
- CPU
- 2x Intel Xeon E5-2630 v3
- RAM
- 64 GB
- OS
- Ubuntu 26.04.1
Engine
- Engine
- vllm
- Version
- 0.32.0rc1.dev249+g18305948a
- Quantization
- FP8
- Backend
- cuda
- Repository
- github.com/vllm-project/vllm
- Build
- ghcr.io/morrowmake/vllm-cmp170hx@sha256:5b45c4d6feafefe2eba962375b0a9a0b64fd22b9e05abb4d1966f14a32a2db79
Run
- Served model
- bench
- Revision
- main
- Benchmark tool
- llm-inference-bench v0.8.0
- Decode test
- Fixed duration
- Prefill mode
- Measured during decode warm-up
- Time per measurement
- 30 s
- Max output
- 8,192 tokens
Launch command
# Untuned out-of-the-box baseline. Spec decode: none # 1x NVIDIA CMP 170HX 64GB (cmpunlocker), 180 W limit, PCIe Gen2 x4 | 2x Intel Xeon E5-2630 v3 | 64 GB DDR4 | Ubuntu 26.04.1, NVIDIA driver 610.57.04 | vLLM: Morrowmake vllm-cmp170hx image vllm serve unsloth/Ministral-3-3B-Instruct-2512-FP8 --max-model-len 262144 --gpu-memory-utilization 0.94 --max-num-seqs 128 --enable-prefix-caching --trust-remote-code --language-model-only
Prefill
prompt tok/s by context length8K context11.5K726 ms TTFT
16K context9,6301,712 ms TTFT
32K context7,3804,450 ms TTFT
64K context5,05412,971 ms TTFT
128K context3,06042,796 ms TTFT
Sustained decode
total tok/s · rows are context length, columns are simultaneous requests| Context | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 |
|---|---|---|---|---|---|---|---|---|
| 0 | 208.466 ms TTFT | 383.373 ms TTFT | 683.7108 ms TTFT | 1,155.7120 ms TTFT | 1,813.3173 ms TTFT | 2,678.8244 ms TTFT | 3,735.6336 ms TTFT | Over capacity |
| 16K | 162.4106 ms TTFT | 264.9145 ms TTFT | 393.8202 ms TTFT | 528.1330 ms TTFT | 643.1504 ms TTFT | Over capacity | Over capacity | Over capacity |
| 32K | 131.8133 ms TTFT | 193.9209 ms TTFT | 260.4321 ms TTFT | 319.5475 ms TTFT | Over capacity | Over capacity | Over capacity | Over capacity |
| 64K | 95.2243 ms TTFT | 123.2308 ms TTFT | 153.4468 ms TTFT | Over capacity | Over capacity | Over capacity | Over capacity | Over capacity |
| 128K | 60.9393 ms TTFT | 70.8476 ms TTFT | Over capacity | Over capacity | Over capacity | Over capacity | Over capacity | Over capacity |
| 248K | 35.5718 ms TTFT | 38.3990 ms TTFT | Over capacity | Over capacity | Over capacity | Over capacity | Over capacity | Over capacity |
Over capacity: not run because this many requests at this context would exceed the server's KV cache.
TTFT is measured after the benchmark warms the server's prompt cache, so it mostly excludes prefill.
All measurements
Latencies are medians. Total tok/s is output across all simultaneous requests.| Phase | Context | Requests at once | Status | Total tok/s | Per request tok/s | TTFT | Time between tokens | Average active requests | Completed requests | Output tokens | Measured for |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Prefill | 8K | 1 | Valid | 11.5K | — | 726 ms | — | — | 1 | — | — |
| Prefill | 16K | 1 | Valid | 9,630.0 | — | 1,712 ms | — | — | 1 | — | — |
| Prefill | 32K | 1 | Valid | 7,380.0 | — | 4,450 ms | — | — | 1 | — | — |
| Prefill | 64K | 1 | Valid | 5,054.0 | — | 12,971 ms | — | — | 1 | — | — |
| Prefill | 128K | 1 | Valid | 3,060.0 | — | 42,796 ms | — | — | 1 | — | — |
| Sustained decode | 0 | 1 | Valid | 208.4 | 211.2 | 66 ms | 4.7 ms | 1.0 | 0 | 6,251 | 30.0 s |
| Sustained decode | 0 | 2 | Valid | 383.3 | 196.1 | 73 ms | 5.1 ms | 2.0 | 0 | 11,502 | 30.0 s |
| Sustained decode | 0 | 4 | Valid | 683.7 | 177.7 | 108 ms | 5.6 ms | 4.0 | 0 | 20,512 | 30.0 s |
| Sustained decode | 0 | 8 | Valid | 1,155.7 | 153.5 | 120 ms | 6.5 ms | 8.0 | 0 | 34,672 | 30.0 s |
| Sustained decode | 0 | 16 | Valid | 1,813.3 | 124.4 | 173 ms | 8.0 ms | 16.0 | 0 | 54,402 | 30.0 s |
| Sustained decode | 0 | 32 | Valid | 2,678.8 | 93.7 | 244 ms | 10.7 ms | 32.0 | 0 | 80,352 | 30.0 s |
| Sustained decode | 0 | 64 | Valid | 3,735.6 | 65.4 | 336 ms | 15.3 ms | 64.0 | 0 | 112,064 | 30.0 s |
| Sustained decode | 0 | 128 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 16K | 1 | Valid | 162.4 | 163.3 | 106 ms | 6.1 ms | 1.0 | 0 | 4,871 | 30.0 s |
| Sustained decode | 16K | 2 | Valid | 264.9 | 133.4 | 145 ms | 7.5 ms | 2.0 | 0 | 7,946 | 30.0 s |
| Sustained decode | 16K | 4 | Valid | 393.8 | 99.3 | 202 ms | 10.1 ms | 4.0 | 0 | 11,812 | 30.0 s |
| Sustained decode | 16K | 8 | Valid | 528.1 | 66.5 | 330 ms | 15.0 ms | 8.0 | 0 | 15,832 | 30.0 s |
| Sustained decode | 16K | 16 | Valid | 643.1 | 40.3 | 504 ms | 24.8 ms | 16.0 | 0 | 19,312 | 30.0 s |
| Sustained decode | 16K | 32 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 16K | 64 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 16K | 128 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 32K | 1 | Valid | 131.8 | 132.3 | 133 ms | 7.6 ms | 1.0 | 0 | 3,955 | 30.0 s |
| Sustained decode | 32K | 2 | Valid | 193.9 | 97.3 | 209 ms | 10.3 ms | 2.0 | 0 | 5,816 | 30.0 s |
| Sustained decode | 32K | 4 | Valid | 260.4 | 65.4 | 321 ms | 15.3 ms | 4.0 | 0 | 7,809 | 30.0 s |
| Sustained decode | 32K | 8 | Valid | 319.5 | 40.0 | 475 ms | 25.0 ms | 8.0 | 0 | 9,584 | 30.0 s |
| Sustained decode | 32K | 16 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 32K | 32 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 32K | 64 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 32K | 128 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 64K | 1 | Valid | 95.2 | 95.3 | 243 ms | 10.5 ms | 1.0 | 0 | 2,854 | 30.0 s |
| Sustained decode | 64K | 2 | Valid | 123.2 | 61.7 | 308 ms | 16.2 ms | 2.0 | 0 | 3,696 | 30.0 s |
| Sustained decode | 64K | 4 | Valid | 153.4 | 38.4 | 468 ms | 26.1 ms | 4.0 | 0 | 4,600 | 30.0 s |
| Sustained decode | 64K | 8 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 64K | 16 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 64K | 32 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 64K | 64 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 64K | 128 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 128K | 1 | Valid | 60.9 | 60.9 | 393 ms | 16.4 ms | 1.0 | 0 | 1,825 | 30.0 s |
| Sustained decode | 128K | 2 | Valid | 70.8 | 35.4 | 476 ms | 28.3 ms | 2.0 | 0 | 2,122 | 30.0 s |
| Sustained decode | 128K | 4 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 128K | 8 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 128K | 16 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 128K | 32 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 128K | 64 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 128K | 128 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 248K | 1 | Valid | 35.5 | 35.5 | 718 ms | 28.1 ms | 1.0 | 0 | 1,065 | 30.0 s |
| Sustained decode | 248K | 2 | Valid | 38.3 | 19.1 | 990 ms | 52.3 ms | 2.0 | 0 | 1,148 | 30.0 s |
| Sustained decode | 248K | 4 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 248K | 8 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 248K | 16 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 248K | 32 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 248K | 64 | Over capacity | — | — | — | — | — | — | — | — |
| Sustained decode | 248K | 128 | Over capacity | — | — | — | — | — | — | — | — |
Over capacity: not run because this many requests at this context would exceed the server's KV cache.