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Publish verified Strix Halo Windows HIP DFlash2 build and two-pass debugging workup
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{
"schema": "strix-halo-dflash2-validation-summary-v1",
"published_binary": {
"source_commit": "465e49b9cea78a68b9c244ffb48d0ee24a82873d",
"source_tag": "b10830",
"size_bytes": 86799360,
"sha256": "6587aecb1f636954a6e1d787a896cc461fac343797a1fe9ab07a098ca011b3aa"
},
"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"
]
}