# Phase 2 Hardware Attribution

- Generated: `2026-07-31T17:05:04+08:00`
- Bench rows: `8`
- Failed bench rows: `0`
- GPU summary rows: `16`
- RDMA summary rows: `4`
- Case windows: `8`
- Precise main-run windows: `8/8`
- Collector status counts: `{"STARTED": 18, "STOPPED": 18}`

## 1. Benchmark results

| Run | Case | Status | Input TPS | Output TPS | TTFT P95 (ms) | TPOT P95 (ms) |
|---|---|---|---:|---:|---:|---:|
| fixed_decode_throughput_1k_to_1k_c32 | decode_throughput_1k_to_1k_c32 | COMPLETED | 448.95107215015315 | 448.95107215015315 | 10166.788510262268 | 65.35758210354297 |
| fixed_long_context_decode_128k_to_1k_c1 | long_context_decode_128k_to_1k_c1 | COMPLETED | 1614.985848663526 | 12.617076942683797 | 48279.420554987155 | 32.106360114411245 |
| fixed_long_output_decode_1k_to_4k_c16 | long_output_decode_1k_to_4k_c16 | COMPLETED | 79.3910971002871 | 317.5643884011484 | 1723.5681610036409 | 49.98305734157135 |
| fixed_long_prefill_latency_128k_c1 | long_prefill_latency_128k_c1 | COMPLETED | 2641.3788467537956 | 0.02015212132838284 | 49610.14223104576 | 0.0 |
| fixed_mid_prefill_throughput_32k_c16 | mid_prefill_throughput_32k_c16 | COMPLETED | 3115.446435236942 | 0.09507587998159613 | 161938.13879448862 | 0.0 |
| mixed_prefill_decode_interference | decode_control_1k_to_1k_c32 | COMPLETED | 453.54762732999035 | 453.54762732999035 | 9442.68154159945 | 66.23843437823616 |
| mixed_prefill_decode_interference | decode_with_128k_prefill_1k_to_1k_c32 | COMPLETED | 344.8898309034744 | 344.8898309034744 | 9891.837346865213 | 110.451060616212 |
| mixed_prefill_decode_interference | long_prefill_injection_128k_to_1_c1 | COMPLETED | 2845.5667477625557 | 0.02170995138368649 | 45980.19455798203 | 0.0 |

## 2. Measurement-window validity

| Case | Role | Duration (s) | Window source |
|---|---|---:|---|
| decode_throughput_1k_to_1k_c32 | - | 72.99 | bench_main_marker_plus_duration |
| long_context_decode_128k_to_1k_c1 | - | 81.16 | bench_main_marker_plus_duration |
| long_output_decode_1k_to_4k_c16 | - | 206.37 | bench_main_marker_plus_duration |
| long_prefill_latency_128k_c1 | - | 49.62 | bench_main_marker_plus_duration |
| mid_prefill_throughput_32k_c16 | - | 168.29 | bench_main_marker_plus_duration |
| decode_control_1k_to_1k_c32 | control | 144.50 | bench_main_marker_plus_duration |
| decode_with_128k_prefill_1k_to_1k_c32 | decode_background | 190.02 | bench_main_marker_plus_duration |
| long_prefill_injection_128k_to_1_c1 | prefill_injection | 46.06 | bench_main_marker_plus_duration |

## 3. GPU basic state (`nvidia-smi`)

Data: `case_gpu_node_summary.csv`; raw: `head|worker/gpu_samples.csv`.

| Case | Node | Samples | GPU util mean/p95 (%) | Memory used mean (MiB) | Power mean (W) | SM clock mean (MHz) |
|---|---|---:|---:|---:|---:|---:|
| decode_throughput_1k_to_1k_c32 | head | 408 | 97.09/100.00 | 83300.00 | 230.22 | 2402.95 |
| decode_throughput_1k_to_1k_c32 | worker | 432 | 97.72/100.00 | 83300.00 | 221.83 | 2418.55 |
| long_context_decode_128k_to_1k_c1 | head | 456 | 97.70/100.00 | 83219.06 | 257.12 | 2412.63 |
| long_context_decode_128k_to_1k_c1 | worker | 472 | 97.43/100.00 | 83221.32 | 257.90 | 2417.53 |
| long_output_decode_1k_to_4k_c16 | head | 1184 | 98.83/100.00 | 83300.00 | 220.83 | 2402.76 |
| long_output_decode_1k_to_4k_c16 | worker | 1216 | 99.25/100.00 | 83300.00 | 215.74 | 2412.57 |
| long_prefill_latency_128k_c1 | head | 288 | 94.44/100.00 | 83028.22 | 293.40 | 2392.22 |
| long_prefill_latency_128k_c1 | worker | 288 | 94.85/100.00 | 83057.76 | 297.91 | 2398.02 |
| mid_prefill_throughput_32k_c16 | head | 952 | 98.21/100.00 | 83231.07 | 299.46 | 2417.69 |
| mid_prefill_throughput_32k_c16 | worker | 968 | 99.07/100.00 | 83231.94 | 302.56 | 2419.33 |
| decode_control_1k_to_1k_c32 | head | 824 | 98.52/100.00 | 83364.00 | 231.92 | 2405.39 |
| decode_control_1k_to_1k_c32 | worker | 856 | 98.60/100.00 | 83364.00 | 227.79 | 2418.59 |
| decode_with_128k_prefill_1k_to_1k_c32 | head | 1072 | 99.61/100.00 | 83259.71 | 248.31 | 2411.49 |
| decode_with_128k_prefill_1k_to_1k_c32 | worker | 1112 | 98.92/100.00 | 83256.91 | 247.75 | 2420.77 |
| long_prefill_injection_128k_to_1_c1 | head | 264 | 99.95/100.00 | 83281.49 | 301.20 | 2421.11 |
| long_prefill_injection_128k_to_1_c1 | worker | 272 | 99.89/100.00 | 83282.94 | 307.16 | 2421.46 |

## 4. GPU profiling counters (DCGM)

Data: `case_dcgm_summary.csv`; raw: `head|worker/dcgm_dmon.log`.

| Case | Node | Samples | GR active | SM active | SM occupancy | Tensor active | DRAM active | PCIe TX/RX mean (GB/s) |
|---|---|---:|---:|---:|---:|---:|---:|---:|
| decode_throughput_1k_to_1k_c32 | head | 584 | 0.971 | 0.525 | 0.141 | 0.059 | 0.417 | 5.205/5.201 |
| decode_throughput_1k_to_1k_c32 | worker | 576 | 0.979 | 0.523 | 0.141 | 0.058 | 0.415 | 5.236/5.232 |
| long_context_decode_128k_to_1k_c1 | head | 648 | 0.961 | 0.578 | 0.211 | 0.095 | 0.399 | 6.764/6.821 |
| long_context_decode_128k_to_1k_c1 | worker | 648 | 0.965 | 0.579 | 0.211 | 0.095 | 0.401 | 6.780/6.838 |
| long_output_decode_1k_to_4k_c16 | head | 1648 | 0.989 | 0.490 | 0.133 | 0.045 | 0.414 | 2.621/2.634 |
| long_output_decode_1k_to_4k_c16 | worker | 1640 | 0.990 | 0.489 | 0.133 | 0.045 | 0.414 | 2.619/2.633 |
| long_prefill_latency_128k_c1 | head | 400 | 0.930 | 0.683 | 0.251 | 0.136 | 0.374 | 10.537/10.582 |
| long_prefill_latency_128k_c1 | worker | 392 | 0.936 | 0.686 | 0.251 | 0.136 | 0.376 | 10.618/10.632 |
| mid_prefill_throughput_32k_c16 | head | 1344 | 0.980 | 0.713 | 0.278 | 0.127 | 0.440 | 12.664/12.720 |
| mid_prefill_throughput_32k_c16 | worker | 1344 | 0.984 | 0.715 | 0.278 | 0.127 | 0.441 | 12.699/12.755 |
| decode_control_1k_to_1k_c32 | head | 1152 | 0.989 | 0.539 | 0.146 | 0.061 | 0.427 | 5.451/5.456 |
| decode_control_1k_to_1k_c32 | worker | 1152 | 0.990 | 0.536 | 0.145 | 0.060 | 0.425 | 5.465/5.461 |
| decode_with_128k_prefill_1k_to_1k_c32 | head | 1520 | 0.977 | 0.581 | 0.174 | 0.080 | 0.416 | 6.865/6.868 |
| decode_with_128k_prefill_1k_to_1k_c32 | worker | 1520 | 0.978 | 0.578 | 0.174 | 0.080 | 0.416 | 6.865/6.872 |
| long_prefill_injection_128k_to_1_c1 | head | 368 | 0.997 | 0.723 | 0.264 | 0.138 | 0.407 | 11.151/11.198 |
| long_prefill_injection_128k_to_1_c1 | worker | 368 | 0.997 | 0.720 | 0.262 | 0.137 | 0.407 | 11.069/11.110 |

## 5. CPU, process, and `perf`

Data: `case_cpu_summary.csv`, `case_process_summary.csv`, `case_perf_summary.csv`; raw: `mpstat.log`, `pidstat.log`, `perf_stat.log`.

| Case | Node | Samples CPU/process/perf | CPU active mean/p95 (%) | Hot cores max | Process CPU max (%) | Process wait max (%) | IPC | Context switches mean/interval |
|---|---|---|---:|---:|---:|---:|---:|---:|
| decode_throughput_1k_to_1k_c32 | head | 15/1140/84 | 10.13/10.42 | 12 | 1225.00 | 0.20 | 3.049 | 41240.93 |
| decode_throughput_1k_to_1k_c32 | worker | 15/1080/84 | 9.84/10.09 | 12 | 1210.20 | 0.20 | 3.068 | 39682.00 |
| long_context_decode_128k_to_1k_c1 | head | 17/1292/96 | 9.90/10.29 | 12 | 1222.40 | 0.20 | 2.887 | 44877.38 |
| long_context_decode_128k_to_1k_c1 | worker | 17/1224/96 | 9.65/10.09 | 12 | 1215.60 | 0.00 | 2.902 | 43686.69 |
| long_output_decode_1k_to_4k_c16 | head | 41/3116/246 | 10.36/10.52 | 12 | 1225.80 | 0.20 | 3.098 | 43749.98 |
| long_output_decode_1k_to_4k_c16 | worker | 41/2952/246 | 9.99/10.09 | 12 | 1211.40 | 0.20 | 3.117 | 40973.46 |
| long_prefill_latency_128k_c1 | head | 10/1129/60 | 10.00/10.27 | 12 | 1211.20 | 0.20 | 2.727 | 50995.80 |
| long_prefill_latency_128k_c1 | worker | 10/720/60 | 9.69/10.18 | 12 | 1210.80 | 0.20 | 2.749 | 48210.50 |
| mid_prefill_throughput_32k_c16 | head | 34/2584/204 | 9.99/10.27 | 12 | 1211.00 | 0.20 | 2.802 | 39421.29 |
| mid_prefill_throughput_32k_c16 | worker | 34/2448/204 | 9.84/10.11 | 12 | 1210.20 | 0.20 | 2.810 | 39129.38 |
| decode_control_1k_to_1k_c32 | head | 29/2204/174 | 10.26/10.44 | 12 | 1220.40 | 0.20 | 3.042 | 42398.83 |
| decode_control_1k_to_1k_c32 | worker | 29/2088/174 | 9.98/10.11 | 12 | 1210.40 | 0.20 | 3.072 | 40484.59 |
| decode_with_128k_prefill_1k_to_1k_c32 | head | 38/2888/228 | 10.34/11.37 | 13 | 1223.60 | 0.20 | 2.980 | 41223.05 |
| decode_with_128k_prefill_1k_to_1k_c32 | worker | 38/2736/228 | 9.87/10.09 | 12 | 1211.40 | 0.20 | 3.005 | 39834.92 |
| long_prefill_injection_128k_to_1_c1 | head | 10/749/54 | 10.21/10.63 | 13 | 1223.60 | 0.00 | 2.808 | 33399.67 |
| long_prefill_injection_128k_to_1_c1 | worker | 9/648/60 | 10.04/10.12 | 12 | 1211.40 | 0.20 | 2.830 | 33911.70 |

## 6. NUMA memory placement

Data/raw: `case_numa_summary.csv`, `head|worker/numa_samples.csv`.

| Case | Node | Samples | Node 0 mean (MiB) | Node 1 mean (MiB) | Total mean (MiB) | Imbalance mean/max (%) |
|---|---|---:|---:|---:|---:|---:|
| decode_throughput_1k_to_1k_c32 | head | 13 | 17941.22 | 27565.28 | 45506.51 | 21.15/21.15 |
| decode_throughput_1k_to_1k_c32 | worker | 13 | 19029.49 | 24814.32 | 43843.80 | 13.19/13.19 |
| long_context_decode_128k_to_1k_c1 | head | 13 | 17946.50 | 27569.43 | 45515.94 | 21.14/21.15 |
| long_context_decode_128k_to_1k_c1 | worker | 14 | 19037.22 | 24816.07 | 43853.29 | 13.18/13.18 |
| long_output_decode_1k_to_4k_c16 | head | 35 | 17941.67 | 27565.20 | 45506.88 | 21.15/21.17 |
| long_output_decode_1k_to_4k_c16 | worker | 37 | 19029.40 | 24814.58 | 43843.96 | 13.19/13.20 |
| long_prefill_latency_128k_c1 | head | 8 | 17869.37 | 27486.32 | 45355.71 | 21.20/21.21 |
| long_prefill_latency_128k_c1 | worker | 8 | 18970.34 | 24731.71 | 43702.05 | 13.18/13.21 |
| mid_prefill_throughput_32k_c16 | head | 28 | 17940.27 | 27563.88 | 45504.17 | 21.15/21.15 |
| mid_prefill_throughput_32k_c16 | worker | 30 | 19032.02 | 24805.59 | 43837.58 | 13.17/13.22 |
| decode_control_1k_to_1k_c32 | head | 24 | 17946.96 | 27573.84 | 45520.81 | 21.15/21.21 |
| decode_control_1k_to_1k_c32 | worker | 26 | 19039.33 | 24818.28 | 43857.62 | 13.18/13.18 |
| decode_with_128k_prefill_1k_to_1k_c32 | head | 32 | 17955.73 | 27573.17 | 45528.91 | 21.12/21.13 |
| decode_with_128k_prefill_1k_to_1k_c32 | worker | 34 | 19042.79 | 24823.40 | 43866.18 | 13.18/13.19 |
| long_prefill_injection_128k_to_1_c1 | head | 8 | 17951.77 | 27569.78 | 45521.56 | 21.13/21.13 |
| long_prefill_injection_128k_to_1_c1 | worker | 8 | 19038.43 | 24819.53 | 43857.94 | 13.18/13.18 |

## 7. Linux netdev and RDMA data path

Netdev data: `case_netdev_summary.csv`; RDMA data: `case_rdma_summary.csv`; raw: `sar_net.log`, `rdma.csv`.

### Linux interfaces

| Case | Node | Interface | Samples | RX mean/max (Gbit/s) | TX mean/max (Gbit/s) | Util max (%) | RX/TX error max (/s) |
|---|---|---|---:|---:|---:|---:|---:|
| decode_throughput_1k_to_1k_c32 | head | eth0 | 30 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_throughput_1k_to_1k_c32 | head | eth3 | 30 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_throughput_1k_to_1k_c32 | worker | eth0 | 30 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_throughput_1k_to_1k_c32 | worker | eth3 | 30 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_context_decode_128k_to_1k_c1 | head | eth0 | 34 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_context_decode_128k_to_1k_c1 | head | eth3 | 34 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_context_decode_128k_to_1k_c1 | worker | eth0 | 34 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_context_decode_128k_to_1k_c1 | worker | eth3 | 34 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_output_decode_1k_to_4k_c16 | head | eth0 | 82 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_output_decode_1k_to_4k_c16 | head | eth3 | 82 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_output_decode_1k_to_4k_c16 | worker | eth0 | 82 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_output_decode_1k_to_4k_c16 | worker | eth3 | 82 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_prefill_latency_128k_c1 | head | eth0 | 20 | 0.000/0.001 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_prefill_latency_128k_c1 | head | eth3 | 20 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_prefill_latency_128k_c1 | worker | eth0 | 20 | 0.000/0.000 | 0.000/0.001 | 0.000 | 0.00/0.00 |
| long_prefill_latency_128k_c1 | worker | eth3 | 20 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| mid_prefill_throughput_32k_c16 | head | eth0 | 68 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| mid_prefill_throughput_32k_c16 | head | eth3 | 68 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| mid_prefill_throughput_32k_c16 | worker | eth0 | 68 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| mid_prefill_throughput_32k_c16 | worker | eth3 | 68 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_control_1k_to_1k_c32 | head | eth0 | 58 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_control_1k_to_1k_c32 | head | eth3 | 58 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_control_1k_to_1k_c32 | worker | eth0 | 58 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_control_1k_to_1k_c32 | worker | eth3 | 58 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_with_128k_prefill_1k_to_1k_c32 | head | eth0 | 76 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_with_128k_prefill_1k_to_1k_c32 | head | eth3 | 76 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_with_128k_prefill_1k_to_1k_c32 | worker | eth0 | 76 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| decode_with_128k_prefill_1k_to_1k_c32 | worker | eth3 | 76 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_prefill_injection_128k_to_1_c1 | head | eth0 | 20 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_prefill_injection_128k_to_1_c1 | head | eth3 | 20 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_prefill_injection_128k_to_1_c1 | worker | eth0 | 18 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |
| long_prefill_injection_128k_to_1_c1 | worker | eth3 | 18 | 0.000/0.000 | 0.000/0.000 | 0.000 | 0.00/0.00 |

### RDMA HCAs

| Case | Node | HCA | Samples | TX/RX (Gbit/s) | Wait delta | Discard/error delta | Retry exceeded delta |
|---|---|---|---:|---:|---:|---:|---:|
| decode_throughput_1k_to_1k_c32 | head | mlx5_0 | 66 | 36.69/36.69 | 0 | 0/0 | 0 |
| decode_throughput_1k_to_1k_c32 | head | mlx5_3 | 66 | 36.71/36.71 | 0 | 0/0 | 0 |
| decode_throughput_1k_to_1k_c32 | worker | mlx5_0 | 68 | 36.80/36.80 | 0 | 0/0 | 0 |
| decode_throughput_1k_to_1k_c32 | worker | mlx5_3 | 68 | 36.79/36.79 | 0 | 0/0 | 0 |
| long_context_decode_128k_to_1k_c1 | head | mlx5_0 | 75 | 43.83/43.83 | 0 | 0/0 | 0 |
| long_context_decode_128k_to_1k_c1 | head | mlx5_3 | 75 | 43.95/43.95 | 0 | 0/0 | 0 |
| long_context_decode_128k_to_1k_c1 | worker | mlx5_0 | 77 | 44.73/44.73 | 0 | 0/0 | 0 |
| long_context_decode_128k_to_1k_c1 | worker | mlx5_3 | 77 | 44.11/44.11 | 0 | 0/0 | 0 |
| long_output_decode_1k_to_4k_c16 | head | mlx5_0 | 188 | 18.91/18.91 | 0 | 0/0 | 0 |
| long_output_decode_1k_to_4k_c16 | head | mlx5_3 | 188 | 18.90/18.90 | 0 | 0/0 | 0 |
| long_output_decode_1k_to_4k_c16 | worker | mlx5_0 | 194 | 18.90/18.90 | 0 | 0/0 | 0 |
| long_output_decode_1k_to_4k_c16 | worker | mlx5_3 | 194 | 18.90/18.90 | 0 | 0/0 | 0 |
| long_prefill_latency_128k_c1 | head | mlx5_0 | 45 | 71.38/71.38 | 0 | 0/0 | 0 |
| long_prefill_latency_128k_c1 | head | mlx5_3 | 45 | 71.45/71.45 | 0 | 0/0 | 0 |
| long_prefill_latency_128k_c1 | worker | mlx5_0 | 47 | 70.54/70.54 | 0 | 0/0 | 0 |
| long_prefill_latency_128k_c1 | worker | mlx5_3 | 47 | 70.54/70.54 | 0 | 0/0 | 0 |
| mid_prefill_throughput_32k_c16 | head | mlx5_0 | 154 | 82.99/82.99 | 0 | 0/0 | 0 |
| mid_prefill_throughput_32k_c16 | head | mlx5_3 | 154 | 83.01/83.01 | 0 | 0/0 | 0 |
| mid_prefill_throughput_32k_c16 | worker | mlx5_0 | 158 | 83.44/83.44 | 0 | 0/0 | 0 |
| mid_prefill_throughput_32k_c16 | worker | mlx5_3 | 158 | 83.45/83.45 | 0 | 0/0 | 0 |
| decode_control_1k_to_1k_c32 | head | mlx5_0 | 131 | 38.01/38.01 | 0 | 0/0 | 0 |
| decode_control_1k_to_1k_c32 | head | mlx5_3 | 131 | 38.00/38.00 | 0 | 0/0 | 0 |
| decode_control_1k_to_1k_c32 | worker | mlx5_0 | 137 | 37.74/37.74 | 0 | 0/0 | 0 |
| decode_control_1k_to_1k_c32 | worker | mlx5_3 | 137 | 37.75/37.75 | 0 | 0/0 | 0 |
| decode_with_128k_prefill_1k_to_1k_c32 | head | mlx5_0 | 173 | 46.80/46.80 | 0 | 0/0 | 0 |
| decode_with_128k_prefill_1k_to_1k_c32 | head | mlx5_3 | 173 | 46.81/46.81 | 0 | 0/0 | 0 |
| decode_with_128k_prefill_1k_to_1k_c32 | worker | mlx5_0 | 179 | 46.67/46.67 | 0 | 0/0 | 0 |
| decode_with_128k_prefill_1k_to_1k_c32 | worker | mlx5_3 | 179 | 46.67/46.67 | 0 | 0/0 | 0 |
| long_prefill_injection_128k_to_1_c1 | head | mlx5_0 | 42 | 74.15/74.15 | 0 | 0/0 | 0 |
| long_prefill_injection_128k_to_1_c1 | head | mlx5_3 | 42 | 74.23/74.23 | 0 | 0/0 | 0 |
| long_prefill_injection_128k_to_1_c1 | worker | mlx5_0 | 43 | 74.55/74.54 | 0 | 0/0 | 0 |
| long_prefill_injection_128k_to_1_c1 | worker | mlx5_3 | 43 | 74.57/74.58 | 0 | 0/0 | 0 |

## 8. PCIe P2P and NCCL communication baseline

Data: `communication_aggregate.csv`; raw: `communication/*.log`.

| Test | Scope | Path/CROSS_NIC | Samples/repetitions | Size (MiB) | Mean latency (ms) | Bandwidth / busbw (GB/s) | Minimum | Wrong values |
|---|---|---|---:|---:|---:|---:|---:|---:|
| all_reduce | head_8gpu | 2 | 3 | 1 | 1.18 | 1.64 | 1.16 | 0 |
| all_reduce | head_8gpu | 2 | 3 | 1024 | 47.26 | 39.76 | 39.67 | 0 |
| all_reduce | head_8gpu | 2 | 3 | 64 | 3.11 | 37.79 | 37.25 | 0 |
| all_reduce | two_node_16gpu | 0 | 3 | 1 | 1.17 | 1.73 | 1.32 | 0 |
| all_reduce | two_node_16gpu | 0 | 3 | 1024 | 51.17 | 39.35 | 39.30 | 0 |
| all_reduce | two_node_16gpu | 0 | 3 | 64 | 3.40 | 36.98 | 36.72 | 0 |
| all_reduce | two_node_16gpu | 1 | 3 | 1 | 1.30 | 1.65 | 1.06 | 0 |
| all_reduce | two_node_16gpu | 1 | 3 | 1024 | 50.73 | 39.68 | 39.59 | 0 |
| all_reduce | two_node_16gpu | 1 | 3 | 64 | 3.38 | 37.25 | 36.86 | 0 |
| all_reduce | two_node_16gpu | 2 | 3 | 1 | 1.14 | 1.76 | 1.41 | 0 |
| all_reduce | two_node_16gpu | 2 | 3 | 1024 | 50.93 | 39.53 | 39.34 | 0 |
| all_reduce | two_node_16gpu | 2 | 3 | 64 | 3.43 | 36.65 | 36.14 | 0 |
| all_reduce | worker_8gpu | 2 | 3 | 1 | 0.97 | 1.91 | 1.66 | 0 |
| all_reduce | worker_8gpu | 2 | 3 | 1024 | 47.27 | 39.75 | 39.56 | 0 |
| all_reduce | worker_8gpu | 2 | 3 | 64 | 3.07 | 38.22 | 37.44 | 0 |
| p2p_copy | head | cross_numa_sys | 32 | 256 | - | 52.40 | 52.18 | - |
| p2p_copy | head | same_pcie_switch | 24 | 256 | - | 53.61 | 53.35 | - |
| p2p_copy | worker | cross_numa_sys | 32 | 256 | - | 52.32 | 52.08 | - |
| p2p_copy | worker | same_pcie_switch | 24 | 256 | - | 53.50 | 53.22 | - |

## 9. Machine-readable summaries

- `gpu_summary.csv`
- `rdma_summary.csv`
- `bench_summary.csv`
- `case_windows.csv`
- `case_gpu_summary.csv`
- `case_gpu_node_summary.csv`
- `case_dcgm_summary.csv`
- `case_cpu_summary.csv`
- `case_process_summary.csv`
- `case_perf_summary.csv`
- `case_numa_summary.csv`
- `case_netdev_summary.csv`
- `case_rdma_summary.csv`
- `communication_summary.csv`
- `communication_aggregate.csv`
- `summary.json`

Each conclusion must cite the corresponding table above and its raw file; missing samples are reported as `-`, never interpreted as zero.