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@@ -33,3 +33,11 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+examples/landscape-8steps.png filter=lfs diff=lfs merge=lfs -text
+examples/mlx-composition-16.png filter=lfs diff=lfs merge=lfs -text
+examples/mlx-lettering-16.png filter=lfs diff=lfs merge=lfs -text
+examples/mlx-portrait-16.png filter=lfs diff=lfs merge=lfs -text
+examples/product-40steps.png filter=lfs diff=lfs merge=lfs -text
+examples/sdcpp-composition-16.png filter=lfs diff=lfs merge=lfs -text
+examples/sdcpp-lettering-16.png filter=lfs diff=lfs merge=lfs -text
+examples/sdcpp-portrait-16.png filter=lfs diff=lfs merge=lfs -text

verification/artifact-verification.json

@@ -0,0 +1,7 @@
+{
+  "status": "pass",
+  "tensors_compared": 663,
+  "bytes_compared": 8831774720,
+  "method": "SHA256 of every complete payload vs original GGUF; independent safetensors parser",
+  "omitted": "unused text-encoder output.weight logits head"
+}

verification/block-verification.json

@@ -0,0 +1,9 @@
+{
+  "status": "pass",
+  "block": 0,
+  "tokens": 48,
+  "relative_l2": 0.005663110874593258,
+  "max_abs": 2.732421875,
+  "reference": "gguf NumPy decoder + dense BF16 unmodified MFLUX block (separate gate/proj)",
+  "scope": "one real block; synthetic activations, identity RoPE; not full-image parity"
+}

verification/codec-verification.json

@@ -0,0 +1,269 @@
+{
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+    {
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+      "tensor": "blk.7.attn_k.weight",
+      "codec": "iq4_xs",
+      "rows": 64,
+      "input_width": 4096,
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+      "tensor": "blk.7.attn_k.weight",
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+    {
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+      "tensor": "blk.7.attn_k.weight",
+      "codec": "iq4_xs",
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+  ]
+}

verification/embedding-verification.json

@@ -0,0 +1,23 @@
+{
+  "status": "pass",
+  "records": [
+    {
+      "source_format": "artifact",
+      "bit_exact": true,
+      "tokens": 7,
+      "unique_tokens": 5,
+      "selected_bytes": 11520,
+      "full_table_bytes": 350060544,
+      "invalid_id_rejected": true
+    },
+    {
+      "source_format": "gguf",
+      "bit_exact": true,
+      "tokens": 7,
+      "unique_tokens": 5,
+      "selected_bytes": 11520,
+      "full_table_bytes": 350060544,
+      "invalid_id_rejected": true
+    }
+  ]
+}

verification/encoder-parity.json

@@ -0,0 +1,45 @@
+{
+  "status": "pass",
+  "records": [
+    {
+      "case": "portrait",
+      "bit_exact_conditioning": true,
+      "shape": [
+        1,
+        54,
+        4096
+      ],
+      "encoder_mlx_peak_before": 514869980,
+      "encoder_mlx_peak_after": 164722512,
+      "logical_source_bytes_before": 4632236032,
+      "logical_source_bytes_after": 4282297600
+    },
+    {
+      "case": "lettering",
+      "bit_exact_conditioning": true,
+      "shape": [
+        1,
+        58,
+        4096
+      ],
+      "encoder_mlx_peak_before": 516395024,
+      "encoder_mlx_peak_after": 166230592,
+      "logical_source_bytes_before": 4632236032,
+      "logical_source_bytes_after": 4282297600
+    },
+    {
+      "case": "composition",
+      "bit_exact_conditioning": true,
+      "shape": [
+        1,
+        72,
+        4096
+      ],
+      "encoder_mlx_peak_before": 521921346,
+      "encoder_mlx_peak_after": 171787400,
+      "logical_source_bytes_before": 4632236032,
+      "logical_source_bytes_after": 4282313728
+    }
+  ],
+  "scope": "Exact BF16 bit patterns and masks for all three full encoder outputs; generator weights and math unchanged"
+}

verification/encoder-verification.json

@@ -0,0 +1,16 @@
+{
+  "status": "pass",
+  "layer": 7,
+  "tokens": 16,
+  "codecs": [
+    "F32",
+    "IQ4_XS",
+    "Q4_K",
+    "Q5_K",
+    "Q6_K"
+  ],
+  "relative_l2": 0.00496031204238534,
+  "max_abs": 0.046875,
+  "reference": "gguf NumPy decoder + dense BF16 MFLUX encoder layer",
+  "scope": "one layer with real RoPE and causal mask; synthetic activations"
+}

verification/ffn-profile.json

@@ -0,0 +1,77 @@
+{
+  "status": "pass",
+  "scope": "one real image FFN, synthetic1063-token BF16 input; no end-to-end claim",
+  "summary": {
+    "128": {
+      "median_s": 0.1424509579956066,
+      "peak_mib": 107.31253051757812,
+      "max_relative_l2": 0.0
+    },
+    "256": {
+      "median_s": 0.14105375000508502,
+      "peak_mib": 117.31253051757812,
+      "max_relative_l2": 0.0
+    },
+    "512": {
+      "median_s": 0.1399998749984661,
+      "peak_mib": 137.31253051757812,
+      "max_relative_l2": 0.0
+    }
+  },
+  "trials": [
+    {
+      "chunk": 128,
+      "elapsed_s": 0.143413124998915,
+      "mlx_peak_bytes": 112525344,
+      "relative_l2": 0.0
+    },
+    {
+      "chunk": 256,
+      "elapsed_s": 0.1463818330084905,
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+      "relative_l2": 0.0
+    },
+    {
+      "chunk": 512,
+      "elapsed_s": 0.1400043750036275,
+      "mlx_peak_bytes": 143982624,
+      "relative_l2": 0.0
+    },
+    {
+      "chunk": 512,
+      "elapsed_s": 0.1398521660012193,
+      "mlx_peak_bytes": 143982624,
+      "relative_l2": 0.0
+    },
+    {
+      "chunk": 256,
+      "elapsed_s": 0.14105375000508502,
+      "mlx_peak_bytes": 123011104,
+      "relative_l2": 0.0
+    },
+    {
+      "chunk": 128,
+      "elapsed_s": 0.14237104100175202,
+      "mlx_peak_bytes": 112525344,
+      "relative_l2": 0.0
+    },
+    {
+      "chunk": 256,
+      "elapsed_s": 0.14066166699922178,
+      "mlx_peak_bytes": 123011104,
+      "relative_l2": 0.0
+    },
+    {
+      "chunk": 128,
+      "elapsed_s": 0.1424509579956066,
+      "mlx_peak_bytes": 112525344,
+      "relative_l2": 0.0
+    },
+    {
+      "chunk": 512,
+      "elapsed_s": 0.1399998749984661,
+      "mlx_peak_bytes": 143982624,
+      "relative_l2": 0.0
+    }
+  ]
+}

verification/full-pipeline-parity.json

@@ -0,0 +1,8 @@
+{
+  "status": "pass",
+  "steps": 2,
+  "prompt": "product",
+  "latent_bits_identical": true,
+  "png_bytes_identical": true,
+  "image_sha256": "2c13a1ed60d59e3935d70b2c57d77fa5ed9d02a972de03472d93bca80d80ff94"
+}

verification/portable-verification.json

@@ -0,0 +1,18 @@
+{
+  "name": "packed-image-mlx-portable-landscape",
+  "status": "completed",
+  "completed_denoising_steps": 8,
+  "elapsed_s": 77.34413429201231,
+  "peak_process_gib": 4.710529200732708,
+  "baseline_swap_mib": 3831.56,
+  "peak_swap_growth_mib": 0,
+  "image_exists": true,
+  "median_step_s": 8.418442187503388,
+  "sampled_steady_denoise": {
+    "samples": 58,
+    "observed_s": 58.02744570799405,
+    "process_read_bytes": 16384,
+    "process_pageins": 0,
+    "caveat": "Process counters, not whole-machine SSD I/O; file cache and sampling limit attribution."
+  }
+}

verification/quality-assessment.json

@@ -0,0 +1,137 @@
+{
+  "scope": "Non-blind manual visual pilot; one seed and one image per case/backend; not a benchmark ranking",
+  "cases": {
+    "mlx-portrait": {
+      "criteria": [
+        {
+          "name": "One coherent adult face",
+          "result": "pass"
+        },
+        {
+          "name": "Blue coat and white mug",
+          "result": "pass"
+        },
+        {
+          "name": "Two plausible hands holding mug",
+          "result": "pass",
+          "note": "Some fingers occluded by mug; not an exhaustive anatomy check"
+        },
+        {
+          "name": "No severe facial or hand deformation",
+          "result": "pass"
+        }
+      ],
+      "image_sha256": "27144e178411e1422921d70f5d91f154dc1b73c016fafd912b9365b6affddd98"
+    },
+    "mlx-lettering": {
+      "criteria": [
+        {
+          "name": "Exact HELLO MAC",
+          "result": "pass"
+        },
+        {
+          "name": "Exact 2026",
+          "result": "pass"
+        },
+        {
+          "name": "Cream background and red circle",
+          "result": "pass"
+        },
+        {
+          "name": "No extra words",
+          "result": "pass"
+        }
+      ],
+      "note": "Subtle paper-like folds in background; lettering is legible and exact",
+      "image_sha256": "2f7cad782b79e18aee66ff8c73fd2b6b49c4c78cec91e305954def4f1c9e5a77"
+    },
+    "mlx-composition": {
+      "criteria": [
+        {
+          "name": "Red cube left of blue sphere",
+          "result": "pass"
+        },
+        {
+          "name": "Green plant between objects",
+          "result": "pass"
+        },
+        {
+          "name": "Exactly two adults and recognizable telescope",
+          "result": "pass"
+        },
+        {
+          "name": "Light/window on right",
+          "result": "pass"
+        }
+      ],
+      "note": "Illustration follows the requested spatial arrangement; this is one non-blind manually reviewed sample",
+      "image_sha256": "9a98bb3302d6025b50deda10accd360f7bd4fed6d0361d4833b6020d3babb3d4"
+    },
+    "sdcpp-portrait": {
+      "criteria": [
+        {
+          "name": "One coherent adult face",
+          "result": "pass"
+        },
+        {
+          "name": "Blue coat and white mug",
+          "result": "pass"
+        },
+        {
+          "name": "Two plausible hands holding mug",
+          "result": "pass"
+        },
+        {
+          "name": "No severe facial or hand deformation",
+          "result": "pass"
+        }
+      ],
+      "note": "Fingers partly occluded. Different framing and pose from MLX are not a regression finding because initial random noise differs.",
+      "image_sha256": "f5cbfc8a21924a22cee4f6cf59c8e6a68193074a7ed91392795a331580c3596f"
+    },
+    "sdcpp-lettering": {
+      "criteria": [
+        {
+          "name": "Exact HELLO MAC",
+          "result": "pass"
+        },
+        {
+          "name": "Exact 2026",
+          "result": "pass"
+        },
+        {
+          "name": "Cream background and red circle",
+          "result": "pass"
+        },
+        {
+          "name": "No extra words",
+          "result": "pass"
+        }
+      ],
+      "note": "Typography and paper texture differ from MLX; both satisfy the prompt.",
+      "image_sha256": "b82fc9423cf5e7a4912accdd9c6a97a86a3f9eb266e2f3a27f6f18dd0e5a59b0"
+    },
+    "sdcpp-composition": {
+      "criteria": [
+        {
+          "name": "Red cube left of blue sphere",
+          "result": "pass"
+        },
+        {
+          "name": "Green plant between objects",
+          "result": "pass"
+        },
+        {
+          "name": "Exactly two adults and recognizable telescope",
+          "result": "pass"
+        },
+        {
+          "name": "Light/window on right",
+          "result": "pass"
+        }
+      ],
+      "note": "Telescope appears partially disassembled during repair; object arrangement follows prompt.",
+      "image_sha256": "1b50ce89eca091df9dd8b4ebd28b972a8615efe2ed0c2483e96cbe2b50c2431b"
+    }
+  }
+}

verification/quality-summaries.json

@@ -0,0 +1,104 @@
+[
+  {
+    "name": "mlx-portrait-16",
+    "status": "completed",
+    "completed_denoising_steps": 16,
+    "elapsed_s": 200.54731712500507,
+    "peak_process_gib": 4.717151537537575,
+    "baseline_swap_mib": 3125.19,
+    "peak_swap_growth_mib": 52.190000000000055,
+    "image_exists": true,
+    "median_step_s": 10.325492708005186,
+    "sampled_steady_denoise": {
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+      "observed_s": 177.20393516701006,
+      "process_read_bytes": 73728,
+      "process_pageins": 0,
+      "caveat": "Process counters, not whole-machine SSD I/O; file cache and sampling limit attribution."
+    },
+    "backend": "mlx",
+    "case": "portrait"
+  },
+  {
+    "name": "mlx-lettering-16",
+    "status": "completed",
+    "completed_denoising_steps": 16,
+    "elapsed_s": 193.6959439170023,
+    "peak_process_gib": 4.718509569764137,
+    "baseline_swap_mib": 3169.38,
+    "peak_swap_growth_mib": 0,
+    "image_exists": true,
+    "median_step_s": 10.725032020498475,
+    "sampled_steady_denoise": {
+      "samples": 165,
+      "observed_s": 167.2148197080096,
+      "process_read_bytes": 81920,
+      "process_pageins": 0,
+      "caveat": "Process counters, not whole-machine SSD I/O; file cache and sampling limit attribution."
+    },
+    "backend": "mlx",
+    "case": "lettering"
+  },
+  {
+    "name": "mlx-composition-16",
+    "status": "completed",
+    "completed_denoising_steps": 16,
+    "elapsed_s": 199.31732841600024,
+    "peak_process_gib": 4.72444523870945,
+    "baseline_swap_mib": 3017.31,
+    "peak_swap_growth_mib": 0,
+    "image_exists": true,
+    "median_step_s": 11.07622847949824,
+    "sampled_steady_denoise": {
+      "samples": 171,
+      "observed_s": 172.83402762499463,
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+      "process_pageins": 0,
+      "caveat": "Process counters, not whole-machine SSD I/O; file cache and sampling limit attribution."
+    },
+    "backend": "mlx",
+    "case": "composition"
+  },
+  {
+    "name": "sdcpp-portrait-16",
+    "status": "completed",
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+    "image_exists": true,
+    "median_step_s": 17.525,
+    "step_timing_source": "sd.cpp rounded progress log; no timestamped steady-I/O window",
+    "backend": "sdcpp",
+    "case": "portrait"
+  },
+  {
+    "name": "sdcpp-lettering-16",
+    "status": "completed",
+    "completed_denoising_steps": 16,
+    "elapsed_s": 337.35809862500173,
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+    "peak_swap_growth_mib": 0,
+    "image_exists": true,
+    "median_step_s": 18.1,
+    "step_timing_source": "sd.cpp rounded progress log; no timestamped steady-I/O window",
+    "backend": "sdcpp",
+    "case": "lettering"
+  },
+  {
+    "name": "sdcpp-composition-16",
+    "status": "completed",
+    "completed_denoising_steps": 16,
+    "elapsed_s": 319.4635188340035,
+    "peak_process_gib": 4.993888646364212,
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+    "peak_swap_growth_mib": 0,
+    "image_exists": true,
+    "median_step_s": 17.625,
+    "step_timing_source": "sd.cpp rounded progress log; no timestamped steady-I/O window",
+    "backend": "sdcpp",
+    "case": "composition"
+  }
+]

verification/run-summaries.json

@@ -0,0 +1,38 @@
+[
+  {
+    "name": "packed-unsloth-512-smoke2-r3",
+    "status": "completed",
+    "completed_denoising_steps": 2,
+    "elapsed_s": 26.29731449999963,
+    "peak_process_gib": 4.712940111756325,
+    "baseline_swap_mib": 3871.62,
+    "peak_swap_growth_mib": 0,
+    "image_exists": true,
+    "median_step_s": 8.432147521001752,
+    "sampled_steady_denoise": {
+      "samples": 8,
+      "observed_s": 7.080330499986303,
+      "process_read_bytes": 0,
+      "process_pageins": 0,
+      "caveat": "Process counters, not whole-machine SSD I/O; file cache and sampling limit attribution."
+    }
+  },
+  {
+    "name": "packed-unsloth-512-quality40",
+    "status": "completed",
+    "completed_denoising_steps": 40,
+    "elapsed_s": 460.2756415420008,
+    "peak_process_gib": 4.711688868701458,
+    "baseline_swap_mib": 3863.62,
+    "peak_swap_growth_mib": 0,
+    "image_exists": true,
+    "median_step_s": 10.992570062990126,
+    "sampled_steady_denoise": {
+      "samples": 431,
+      "observed_s": 436.759323708,
+      "process_read_bytes": 172032,
+      "process_pageins": 0,
+      "caveat": "Process counters, not whole-machine SSD I/O; file cache and sampling limit attribution."
+    }
+  }
+]