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Release runtime v4.2: fix selected-key attention; document measured decode cost
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{
"prompt_per_second": {
"rows": {
"C2": 984.1193062414502,
"A2": 976.0213543832623,
"C1": 990.4286079801034,
"A1": 954.2112597223157
},
"mirror1_percent": 3.7955272366338777,
"mirror2_percent": 0.829690028995822,
"pooled_percent": 2.301861359732782
},
"predicted_per_second": {
"rows": {
"C2": 21.27470983648075,
"A2": 25.543194015954445,
"C1": 21.19852916224823,
"A1": 25.552412147706743
},
"mirror1_percent": -17.039029271642605,
"mirror2_percent": -16.710847424983633,
"pooled_percent": -16.8751003082372
},
"draft_counters": {
"C2": {
"draft_n": 1085,
"draft_n_accepted": 329,
"predicted_n": 512
},
"A2": {
"draft_n": 877,
"draft_n_accepted": 364,
"predicted_n": 512
},
"C1": {
"draft_n": 1085,
"draft_n_accepted": 329,
"predicted_n": 512
},
"A1": {
"draft_n": 877,
"draft_n_accepted": 364,
"predicted_n": 512
}
},
"scope": "512-token served API; full 256K/MTP6/F16 KV; same 12960-token prompt; ABBA; warm-ups excluded. Baseline has incorrect attention; no equal-quality speed claim.",
"model_variant": "IU4",
"mirrored_decode_percent": [
-17.039029271642605,
-16.710847424983633
],
"confidence": "Repeatable on this single prompt and seed; limited generalization, no Orca speed measurement, and no kernel-only attribution."
}