{
  "id": "profiles/gemma4-31b-f16-activations-probe",
  "name": "gemma4-31b-f16-activations-probe",
  "description": "Experimental Gemma 4 31B text profile that requests the execution-v1 f16 compute lane against the f16 activation manifest variant sharing the existing Q4K weight pack. Use for browser/WebGPU proof only after transcript parity is captured.",
  "intent": "investigate",
  "compatibleIntents": ["investigate"],
  "stability": "experimental",
  "owner": "doppler-core",
  "createdAtUtc": "2026-04-28T00:00:00Z",
  "extends": "profiles/default",
  "model": "gemma-4-31b-it-text-q4k-ehf16-af16",
  "runtime": {
    "inference": {
      "compute": {
        "activationDtype": "f16"
      },
      "largeWeights": {
        "gpuResidentOverrides": []
      },
      "session": {
        "compute": {
          "defaults": {
            "activationDtype": "f16",
            "mathDtype": "f16",
            "accumDtype": "f16",
            "outputDtype": "f16"
          }
        },
        "kvcache": {
          "kvDtype": "f16"
        },
        "decodeLoop": {
          "batchSize": 3,
          "readbackInterval": 1,
          "stopCheckMode": "batch"
        }
      },
      "kernelPathPolicy": {
        "mode": "capability-aware",
        "sourceScope": [
          "manifest"
        ],
        "allowSources": [
          "manifest"
        ],
        "onIncompatible": "remap"
      },
      "generation": {
        "maxTokens": 8
      },
      "sampling": {
        "temperature": 0,
        "topK": 1,
        "topP": 1,
        "repetitionPenalty": 1,
        "greedyThreshold": 0
      },
      "prompt": "The color of the sky is"
    }
  }
}