{
  "schema": "strix-halo-dflash2-validation-summary-v1",
  "published_binary": {
    "source_commit": "465e49b9cea78a68b9c244ffb48d0ee24a82873d",
    "source_tag": "b10830",
    "size_bytes": 86799360,
    "sha256": "6587aecb1f636954a6e1d787a896cc461fac343797a1fe9ab07a098ca011b3aa"
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  "first_pass_binary": {
    "source_commit": "57291f2644af8c9df0dd8d44395881c5bdcf0ecd",
    "size_bytes": 93065216,
    "sha256": "7ee5c01ff11204391937ee5ae8161c0a08f0fb161e7be28073c3a1f2a3d03e3b"
  },
  "hardware": {
    "cpu": "AMD Ryzen AI MAX+ 395",
    "gpu": "Radeon 8060S",
    "gpu_arch": "gfx1151",
    "visible_ram_gib": 63.65,
    "os": "Windows 11 Pro build 26200",
    "amd_driver": "32.0.31041.1004"
  },
  "toolchain": {
    "therock": "gfx1151-7.13.0",
    "hip": "7.13.99004-3309c6114a",
    "clang": "23.0.0",
    "cmake": "4.4.3",
    "ninja": "1.13.2",
    "git": "2.55.0.windows.3",
    "windows_sdk_rc": "10.0.26100.0"
  },
  "matched_target": "Qwen3.8-27B UD-Q4_K_XL",
  "comparisons": [
    {
      "runtime": "first-pass Windows HIP",
      "speculation": "DFlash2 Q8",
      "main_38_best_recorded": 0.773684,
      "longctx_score": 0.454545,
      "longctx_passed": 5,
      "longctx_total": 11,
      "ladder_deepest_correct_rung": 8,
      "ladder_operations": 128
    },
    {
      "runtime": "first-pass Windows HIP",
      "speculation": "self-MTP",
      "main_38_best_recorded": 0.784211,
      "longctx_score": 0.454545,
      "longctx_passed": 5,
      "longctx_total": 11,
      "ladder_deepest_correct_rung": 8,
      "ladder_operations": 128
    },
    {
      "runtime": "stock upstream b10588 Vulkan",
      "speculation": "self-MTP",
      "main_38_final_cap_adjusted": 0.715789,
      "longctx_score": 1.0,
      "longctx_passed": 11,
      "longctx_total": 11,
      "ladder_deepest_correct_rung": 8,
      "ladder_operations": 128
    },
    {
      "runtime": "fixed b10830 Windows HIP",
      "speculation": "DFlash2 Q8",
      "main_38": "not rerun",
      "longctx_score": 1.0,
      "longctx_passed": 11,
      "longctx_total": 11,
      "longctx_elapsed_seconds": 515.98,
      "longctx_output_tokens": 6679,
      "ladder_deepest_correct_rung": 9,
      "ladder_operations": 256,
      "next_rung": {
        "rung": 10,
        "operations": 512,
        "result": "parseable miss",
        "budget_exhausted": false,
        "output_tokens": 15763,
        "token_budget": 16384
      }
    }
  ],
  "perplexity_split_prefill_check": {
    "dataset": "WikiText sanity sample",
    "ubatch_512": 17.1071,
    "ubatch_2048": 17.1097,
    "relative_difference_percent": 0.015
  },
  "positional_probe": {
    "prompt_tokens": 6974,
    "positions": ["early", "middle", "late"],
    "qwen38_27b_fixed": ["pass", "pass", "pass"],
    "matched_qwen35_08b_first_pass": ["fail", "fail", "pass"],
    "matched_qwen35_08b_fixed": ["pass", "pass", "pass"]
  },
  "dflash_aggregate": {
    "drafted_tokens": 41905,
    "accepted_tokens": 40906,
    "acceptance_percent": 97.616,
    "verification_steps": 6969,
    "predicted_tokens": 48736,
    "generation_seconds": 2038.06,
    "generation_tokens_per_second": 23.913,
    "prompt_tokens": 61099,
    "prompt_seconds": 194.812,
    "prompt_tokens_per_second": 313.63,
    "requested_n_max": 8,
    "effective_n_max": 7
  },
  "scope_limits": [
    "one gfx1151 machine and one driver/toolchain combination",
    "parallel greater than one not production-soak validated",
    "262144-token context not validated",
    "fixed-build main-38 battery not rerun",
    "one ladder seed does not prove a general quality improvement"
  ]
}