Qwen3.5-9B-TT-Mixed-BFP4-BFP8-P150 / precision-summary.json
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Upload verified mixed BFP4/BFP8 checkpoint with MTP and evaluation evidence
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{
"format": "qwen35-9b-ttnn-native-text-v1",
"scope": "text-only-no-vision-with-mtp",
"precision_groups": {
"torch.bfloat16": {
"tensors": 193,
"parameters": 1261466880,
"serialized_tensor_bytes": 2522954504
},
"torch.float32": {
"tensors": 48,
"parameters": 3840,
"serialized_tensor_bytes": 20160
},
"bfp8": {
"tensors": 195,
"parameters": 5217714176,
"serialized_tensor_bytes": 5543891512
},
"bfp4": {
"tensors": 54,
"parameters": 2717908992,
"serialized_tensor_bytes": 1528843248
}
},
"artifact_bytes": 9629415772,
"tensor_parameters": 9197093888,
"quantizer": "TTNN native BFP4_B/BFP8_B rounding with selectively retained precision; not the Unsloth quantizer",
"calibration": "300941 chat-templated input tokens; activation second moments propose precision, validation output KL selects it",
"embedding": "Original BF16 retained",
"nonlinear": "All 48 original FP32 GDN norm/A_log tensors retained losslessly",
"limitations": [
"Single Blackhole P150; text-only with MTP-1, no vision",
"Native TT format, not GGUF or bitsandbytes",
"Local validation gates are not official Unsloth benchmark thresholds"
],
"mtp": {
"tensors": 15,
"serialized_bytes": 486582864,
"storage": "All original draft tensors preserved losslessly at source dtype",
"runtime": "Existing draft attention and MLP BFP4 policy retained; FC and norms BF16; shared embedding BF16 and shared target LM head BFP8",
"runtime_precision_binding": "Mode-specific equivalence runtime_environment and runtime_sources; target precision map does not apply to draft layers"
}
}