{
  "status": "complete",
  "device": "NVIDIA GB10",
  "compute_capability": "SM121",
  "workload": {
    "resolution": [1344, 768],
    "frames": 124,
    "tokens": 37810,
    "block": 24,
    "seed": 440420
  },
  "method": {
    "flops": "2*M*N*K dense-equivalent operations",
    "l2_traffic": "Nsight Compute lts__t_bytes.sum with cache control disabled",
    "off_chip_proxy": "32 bytes times warm-cache L2 read plus write lookup-miss sectors",
    "practical_compute_ceiling_tflops_per_s": 321.455895,
    "theoretical_memory_bandwidth_gb_per_s": 273.0,
    "practical_crossover_flops_per_byte": 1177.49412,
    "note": "GB10 exposes no direct physical DRAM-byte counter; classification uses the documented bandwidth and the warm-cache off-chip request proxy."
  },
  "gemms": [
    {
      "role": "attention_qkv",
      "shape_mnk": [37810, 21504, 5376],
      "kernel": "standard",
      "duration_ms": 27.195296,
      "dense_equivalent_tflops": 8.742088,
      "achieved_tflops_per_s": 321.455895,
      "l2_requested_gb": 40.129071,
      "off_chip_proxy_gb": 4.368326,
      "off_chip_arithmetic_intensity": 2001.244307,
      "ideal_unique_bytes_gb": 1.805498,
      "off_chip_amplification": 2.419458,
      "classification": "compute-bound"
    },
    {
      "role": "attention_output",
      "shape_mnk": [37810, 5376, 7168],
      "kernel": "standard",
      "duration_ms": 9.25072,
      "dense_equivalent_tflops": 2.914029,
      "achieved_tflops_per_s": 315.005686,
      "l2_requested_gb": 13.24078,
      "off_chip_proxy_gb": 1.337147,
      "off_chip_arithmetic_intensity": 2179.28899,
      "ideal_unique_bytes_gb": 0.580659,
      "off_chip_amplification": 2.302809,
      "classification": "compute-bound"
    },
    {
      "role": "mlp_fc1",
      "shape_mnk": [37810, 28672, 5376],
      "kernel": "standard",
      "duration_ms": 37.024512,
      "dense_equivalent_tflops": 11.656118,
      "achieved_tflops_per_s": 314.821641,
      "l2_requested_gb": 53.507764,
      "off_chip_proxy_gb": 5.823759,
      "off_chip_arithmetic_intensity": 2001.476751,
      "ideal_unique_bytes_gb": 2.369218,
      "off_chip_amplification": 2.458093,
      "classification": "compute-bound"
    },
    {
      "role": "mlp_fc2",
      "shape_mnk": [37810, 5376, 14336],
      "kernel": "stream-k",
      "duration_ms": 54.973312,
      "dense_equivalent_tflops": 5.828059,
      "achieved_tflops_per_s": 106.016148,
      "l2_requested_gb": 26.07999,
      "off_chip_proxy_gb": 12.161131,
      "off_chip_arithmetic_intensity": 479.236573,
      "ideal_unique_bytes_gb": 0.754785,
      "off_chip_amplification": 16.112046,
      "classification": "bandwidth-bound",
      "roofline_at_273_gb_per_s_ms": 44.546268,
      "measured_bandwidth_efficiency_percent": 81.032534,
      "traffic_required_to_reach_practical_compute_ridge_gb": 4.949544,
      "required_traffic_reduction_percent": 59.299,
      "practical_compute_floor_ms": 18.130197
    }
  ],
  "decision": {
    "primary_target": "mlp_fc2",
    "do_not_target_first": ["attention_qkv", "attention_output", "mlp_fc1"],
    "reason": "QKV, attention output, and FC1 cluster at 315-321 dense-equivalent TFLOP/s and lie above the practical ridge point. FC2 uses stream-K, reaches only 106 TFLOP/s, and generates 12.16 GB of off-chip request traffic, 16.1x its ideal unique bytes.",
    "next_experiment": "Benchmark an exact FC2 schedule that reduces K-split/stream-K rereads and reuses the fused SwiGLU-produced activation tiles. Require bit-exact BF16 output and at least 3% complete-block improvement before integration."
  },
  "source_artifacts": [
    "benchmarks/gb10-fully-fused-block24-fresh-l2.csv",
    "benchmarks/gb10-fully-fused-block24-fresh-l2-misses-warm.csv",
    "benchmarks/gb10-fully-fused-fresh-nsight-summary.json"
  ]
}