54 lines
1.6 KiB
JSON
54 lines
1.6 KiB
JSON
{
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"date": "2026-08-23",
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"device": "NVIDIA GB10",
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"cutlass_dsl": "4.6.2",
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"tile_shape_mnk": [128, 128, 128],
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"producer_threads": 32,
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"rows_per_producer_thread": 4,
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"activation_input": "BF16",
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"global_activation_qdata": false,
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"global_activation_sfa": false,
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"retained_tma_inputs": ["B", "SFB"],
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"streamed_roles": {
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"attn_qkv_proj": {
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"mnk": [128, 21504, 5376],
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"packed_fp4_differences": 0,
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"block_scale_differences": 0,
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"bf16_output_equal": true,
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"max_abs": 0.0,
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"mean_abs": 0.0,
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"relative_l2": 0.0
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},
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"attn_out_proj": {
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"mnk": [128, 5376, 7168],
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"packed_fp4_differences": 0,
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"block_scale_differences": 0,
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"bf16_output_equal": true,
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"max_abs": 0.0,
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"mean_abs": 0.0,
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"relative_l2": 0.0
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},
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"mlp_fc1": {
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"mnk": [128, 28672, 5376],
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"packed_fp4_differences": 0,
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"block_scale_differences": 0,
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"bf16_output_equal": true,
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"max_abs": 0.0,
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"mean_abs": 0.0,
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"relative_l2": 0.0
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}
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},
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"mlp_fc2": {
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"streaming_enabled": false,
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"fallback": "Comfy/cuBLAS",
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"validator_rejects_streaming": true
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},
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"numerical_contract": {
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"block_scale_order": "(amax / 6.0f) / global_scale",
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"block_scale_clamp": "fminf(value, 448.0f)",
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"encode_scale": "fminf(rcp.approx.ftz.f32(rounded_scale * global_scale), FLT_MAX)",
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"fp4_conversion": "CuTe E2M1 round-to-nearest ties-to-even",
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"epilogue": "FP32 global alpha before BF16 conversion"
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},
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"status": "Fixed 128-row P1 producer-consumer checkpoint is exact; not runtime-integrated or performance-approved."
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}
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