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[RNE Rewrite] feat(models): add a Vulkan Supertonic variant #1400

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[RNE Rewrite] feat(models): add a Vulkan Supertonic variant #1400

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4629bf4
feat(models): add Vulkan fp16 for Supertonic
msluszniak Sep 1, 2026
5bef340
feat(speech): offer the Vulkan Supertonic build in the demo
msluszniak Sep 1, 2026
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5 changes: 4 additions & 1 deletion apps/speech/app/text-to-speech/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -53,11 +53,14 @@ const STEPS_OPTIONS = [
const MODEL_OPTIONS = [
{ label: 'XNNPACK (CPU)', value: 'XNNPACK_FP32' as const },
{ label: 'MLX (Apple Silicon)', value: 'MLX_FP32' as const, disabled: Platform.OS !== 'ios' },
{ label: 'Vulkan (GPU)', value: 'VULKAN_FP16' as const, disabled: Platform.OS !== 'android' },
];

function TTSContent() {
const [text, setText] = useState(SAMPLE_TEXT);
const [selectedModel, setSelectedModel] = useState<'XNNPACK_FP32' | 'MLX_FP32'>('XNNPACK_FP32');
const [selectedModel, setSelectedModel] = useState<'XNNPACK_FP32' | 'MLX_FP32' | 'VULKAN_FP16'>(
Platform.OS === 'android' ? 'VULKAN_FP16' : 'XNNPACK_FP32'
);
const [selectedVoice, setSelectedVoice] = useState<SupertonicDefaultVoiceName>('F1');
const [selectedLang, setSelectedLang] = useState<speech.SupertonicLanguage>('en');
const [speed, setSpeed] = useState(1.05);
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8 changes: 6 additions & 2 deletions packages/react-native-executorch/scripts/download-libs.js
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Expand Up @@ -131,8 +131,12 @@ const FEATURE_MAP = {
privacyFilter: { backends: ['xnnpack', 'mlx'], libs: [] },
// Whisper ships xnnpack, coreml, an MLX iOS export and a Vulkan Android one.
speechToText: { backends: ['xnnpack', 'coreml', 'mlx', 'vulkan'], libs: [] },
// Kokoro ships xnnpack + coreml; Supertonic adds an MLX iOS export.
textToSpeech: { backends: ['xnnpack', 'coreml', 'mlx'], libs: ['phonemis'] },
// Kokoro ships xnnpack + coreml; Supertonic adds an MLX iOS export and a
// Vulkan Android one.
textToSpeech: {
backends: ['xnnpack', 'coreml', 'mlx', 'vulkan'],
libs: ['phonemis'],
},
// FSMN VAD — xnnpack only.
vad: { backends: ['xnnpack'], libs: [] },
// The MiniLM/CLIP-text/distiluse family ships coreml alongside xnnpack,
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13 changes: 13 additions & 0 deletions packages/react-native-executorch/src/models.ts
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Expand Up @@ -1116,6 +1116,18 @@ const SUPERTONIC_3_MLX_FP32: SupertonicTtsModel<SupertonicDefaultVoiceName> = {
voiceStyles: SUPERTONIC_DEFAULT_VOICE_STYLES,
};

const SUPERTONIC_3_VULKAN_FP16: SupertonicTtsModel<SupertonicDefaultVoiceName> = {
name: 'supertonic',
modelPaths: {
durationPredictor: `${BASE_URL}-supertonic/${NEXT_VERSION_TAG}/vulkan/duration_predictor_vulkan_fp16.pte`,
vectorEstimator: `${BASE_URL}-supertonic/${NEXT_VERSION_TAG}/vulkan/vector_estimator_vulkan_fp16.pte`,
textEncoder: `${BASE_URL}-supertonic/${NEXT_VERSION_TAG}/vulkan/text_encoder_vulkan_fp16.pte`,
vocoder: `${BASE_URL}-supertonic/${NEXT_VERSION_TAG}/vulkan/vocoder_vulkan_fp16.pte`,
},
unicodeIndexerPath: `${BASE_URL}-supertonic/${NEXT_VERSION_TAG}/unicode_indexer.json`,
voiceStyles: SUPERTONIC_DEFAULT_VOICE_STYLES,
};

const KOKORO_ROOT = `${BASE_URL}-kokoro/${NEXT_VERSION_TAG}`;
const KOKORO_PHONEMIZER_ROOT = `${KOKORO_ROOT}/phonemizer`;

Expand Down Expand Up @@ -2624,6 +2636,7 @@ export const models = {
SUPERTONIC: variants({
XNNPACK_FP32: SUPERTONIC_3_XNNPACK_FP32,
MLX_FP32: SUPERTONIC_3_MLX_FP32,
VULKAN_FP16: SUPERTONIC_3_VULKAN_FP16,
}),

/**
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