{ "schemaVersion": 1, "lineage": "amd/Qwen3.8-27B-Quark-AWQ-MXFP4", "policy": "strict-downward-only from native MXFP4 GGUF; no BF16 intermediate", "experiments": [ { "name": "MQ-IQ4_XS_1-Generic", "status": "complete", "manifestDirectory": "experiments/MQ-IQ4_XS_1-Generic", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-MQ-IQ4_XS_1-Generic.gguf", "bytes": 14981769120, "sha256": "215dc51d41a212d58168ed80e77d0e14ca649d627563c389786263d77d1d4a3d", "savedPercent": 20.701401587222694, "generalKld": 0.00094, "verificationPassed": true, "publicationStatus": "published" }, { "name": "UD-Q4_K_S-Unsloth", "sourceRecipe": "UD-Unsloth-UD-Q4_K_S", "imatrix": "Unsloth", "status": "complete", "manifestDirectory": "experiments/UD-Q4_K_S-Unsloth", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-UD-Q4_K_S-Unsloth.gguf", "bytes": 14547122080, "sha256": "b077ade0bd8aab9a1e5386ed09d72b6a24bca62fd71ec16c049b29a740f81ff3", "savedPercent": 23.001991110408614, "generalKld": 0.00345, "verificationPassed": true, "publicationStatus": "published" }, { "name": "UD-IQ4_XS-Unsloth", "sourceRecipe": "UD-Unsloth-UD-IQ4_XS", "imatrix": "Unsloth", "status": "complete", "manifestDirectory": "experiments/UD-IQ4_XS-Unsloth", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-UD-IQ4_XS-Unsloth.gguf", "bytes": 13887481760, "sha256": "892cd2ac8aebc6f4d7cdf4d5fb0b417507a8ba9df7f038d45b9185835122cb03", "savedPercent": 26.49347148322562, "generalKld": 0.009018, "verificationPassed": true, "publicationStatus": "published" }, { "name": "UD-Q3_K_XL-Unsloth", "sourceRecipe": "UD-Unsloth-UD-Q3_K_XL", "imatrix": "Unsloth", "status": "complete", "manifestDirectory": "experiments/UD-Q3_K_XL-Unsloth", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-UD-Q3_K_XL-Unsloth.gguf", "bytes": 13026502560, "sha256": "149e7378c85768623e649afea5c9184ed1be05532948f841a39edf4870b88e63", "savedPercent": 31.05063981733183, "generalKld": 0.022344, "verificationPassed": true, "publicationStatus": "published" }, { "name": "UD-IQ3_S-Unsloth", "sourceRecipe": "UD-Unsloth-UD-IQ3_S", "imatrix": "Unsloth", "status": "complete", "manifestDirectory": "experiments/UD-IQ3_S-Unsloth", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-UD-IQ3_S-Unsloth.gguf", "bytes": 11988330400, "sha256": "e165d77ffd43985ebee7763e6a9642cdc8e6168ffed5017d954f6c2fc059f719", "savedPercent": 36.545691605926315, "generalKld": 0.042218, "verificationPassed": true, "publicationStatus": "published" }, { "name": "MQ-IQ2_M_1-Generic", "sourceRecipe": "MQ-IQ2_M_1", "imatrix": "Generic", "status": "complete", "manifestDirectory": "experiments/MQ-IQ2_M_1-Generic", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-MQ-IQ2_M_1-Generic.gguf", "bytes": 11913885600, "sha256": "a242cddbdf9baaad660e96d26be99245f2410c154c3a0fa0c6451e3b7109eb01", "savedPercent": 36.939728401703576, "generalKld": 0.058879, "verificationPassed": true, "publicationStatus": "published" }, { "name": "UD-IQ3_XXS-Unsloth", "sourceRecipe": "UD-Unsloth-UD-IQ3_XXS", "imatrix": "Unsloth", "status": "complete", "manifestDirectory": "experiments/UD-IQ3_XXS-Unsloth", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-UD-IQ3_XXS-Unsloth.gguf", "bytes": 10903975840, "sha256": "0cf1c2f3106833a487ccd6b1c89b185ad96dc9e9146b7d5367ab9ec797579769", "savedPercent": 42.285187128902564, "generalKld": 0.072327, "verificationPassed": true, "publicationStatus": "published" }, { "name": "MQ-IQ2_M_2-Generic", "sourceRecipe": "MQ-IQ2_M_2", "imatrix": "Generic", "status": "complete", "manifestDirectory": "experiments/MQ-IQ2_M_2-Generic", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-MQ-IQ2_M_2-Generic.gguf", "bytes": 10691495840, "sha256": "a7ac992cc59c3ec95105d56c8090fd1208f0ee65bc7571d33c4202afaa8c5dc8", "savedPercent": 43.40984510859695, "generalKld": 0.102424, "verificationPassed": true, "publicationStatus": "published" }, { "name": "UD-Q2_K_XL-Unsloth", "sourceRecipe": "UD-Unsloth-UD-Q2_K_XL", "imatrix": "Unsloth", "status": "complete", "manifestDirectory": "experiments/UD-Q2_K_XL-Unsloth", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-UD-Q2_K_XL-Unsloth.gguf", "bytes": 9809893280, "sha256": "9b899d16649813748689f2b99407b299cc9eeeae66289cf06066b050f10f3675", "savedPercent": 48.07617301721422, "generalKld": 0.111015, "verificationPassed": true, "publicationStatus": "published" }, { "name": "UD-IQ2_XXS-Unsloth", "sourceRecipe": "UD-Unsloth-UD-IQ2_XXS", "imatrix": "Unsloth", "status": "complete", "manifestDirectory": "experiments/UD-IQ2_XXS-Unsloth", "outputFile": null, "bytes": 9013733280, "sha256": "389126864bd6e3fb51639c9727567c91ebcec5e19b5c0ec072ee24d405c97f70", "savedPercent": 52.29025291703294, "generalKld": 1.172122, "verificationPassed": true, "publicationStatus": "removed", "removedOutputFile": "../Qwen3.8-27B-Quark-MXFP4-UD-IQ2_XXS-Unsloth.gguf", "removalReasonCode": "FAILED_QUALITY_FLOOR_AND_STRICT_DOMINANCE", "removalReason": "Removed from distribution after verification: KLD 1.172122 and PPL 17.87418 versus native PPL 5.801511. It is also strictly dominated by MQ-IQ2_XXS_1, which is smaller (8.22 GB) and has much lower KLD (0.321797)." }, { "name": "MQ-IQ2_XXS_1-Unsloth", "sourceRecipe": "MQ-IQ2_XXS_1", "imatrix": "Unsloth", "status": "complete", "manifestDirectory": "experiments/MQ-IQ2_XXS_1-Unsloth", "outputFile": "../Qwen3.8-27B-Quark-MXFP4-MQ-IQ2_XXS_1-Unsloth.gguf", "bytes": 8223819680, "sha256": "84ab6e9cea4e1f7091e00a0b115ffa245e95f8b59e87e6e8ffdfdf3ee71dc441", "savedPercent": 56.47127058226787, "generalKld": 0.321797, "verificationPassed": true, "publicationStatus": "published" } ], "updatedUtc": "2026-08-26T20:08:16.158361+00:00" }