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fix(playground): pull the speculative tier - quantized framing degrades output #185

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Merged
ronaldtse merged 1 commit into from
Sep 12, 2026
Merged

fix(playground): pull the speculative tier - quantized framing degrades output #185

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25 changes: 0 additions & 25 deletions e2e/playground-spec-live.spec.ts
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28 changes: 2 additions & 26 deletions src/pages/playground.astro
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Original file line number Diff line number Diff line change
Expand Up @@ -27,9 +27,6 @@ import catalogue from "../data/maps-catalogue.json"
<option value="">Off — deterministic maps only</option>
<option value="ara-diac-layerdrop-1.0-int4">Arabic lite (int4, 95 MB, downloads once)</option>
<option value="ara-diac-small-2.1-int8">Arabic 2.1 (int8, 264 MB, downloads once)</option>
<option value="spec:ara-diac-small-2.1-int8">
Arabic 2.1 + speculative (int4 drafts it, 359 MB, downloads once)
</option>
</select>

<label for="filter">System</label>
Expand Down Expand Up @@ -168,10 +165,6 @@ import catalogue from "../data/maps-catalogue.json"
if (!voc) {
return `import { transliterateAsync } from "interscript"\n\nconst out = await transliterateAsync(\n "${code}",\n "…",\n)`
}
if (voc.startsWith("spec:")) {
const verifier = voc.slice(5)
return `import { transliterateAsync } from "interscript"\nimport { imf } from "interscript/ml"\n\nconst drafter = await imf.IMFModel.fromZipBytes(\n (await imf.resolve("ara-diac-layerdrop-1.0-int4")).bytes,\n)\nconst verifierModel = await imf.IMFModel.fromZipBytes(\n (await imf.resolve("${verifier}")).bytes,\n)\nconst spec = new imf.SpeculativeModel(drafter, verifierModel)\nconst vocalized = await spec.translate("…")\nconst out = await transliterateAsync(\n "${code}",\n vocalized,\n)`
}
return `import { transliterateAsync } from "interscript"\nimport { imf } from "interscript/ml"\n\nconst resolved = await imf.resolve("${voc}")\nconst model = await imf.IMFModel.fromZipBytes(resolved.bytes)\nconst vocalized = await model.translate("…")\nconst out = await transliterateAsync(\n "${code}",\n vocalized,\n)`
}
$("snippet").textContent = snippetText()
Expand All @@ -189,10 +182,7 @@ import catalogue from "../data/maps-catalogue.json"
async function ensureModel(id: string) {
if (mlModel && mlModelId === id) return mlModel
const status = $("status")
const spec = id.startsWith("spec:")
const verifierId = spec ? id.slice(5) : id
const drafterId = spec ? "ara-diac-layerdrop-1.0-int4" : ""
const wanted = spec ? [drafterId, verifierId] : [verifierId]
const wanted = [id]
const models: Record<string, Awaited<ReturnType<typeof imf.IMFModel.fromZipBytes>>> = {}
for (const wantedId of wanted) {
status.hidden = false
Expand All @@ -204,12 +194,7 @@ import catalogue from "../data/maps-catalogue.json"
})
models[wantedId] = await imf.IMFModel.fromZipBytes(resolved.bytes)
}
mlModel = spec
? (new imf.SpeculativeModel(models[drafterId]!, models[verifierId]!) as unknown as {
translate(t: string, m?: number): Promise<string>
stats(): { accepted: number; drafted: number; blocks: number } | undefined
})
: (models[verifierId] as unknown as { translate(t: string, m?: number): Promise<string> })
mlModel = models[id] as unknown as { translate(t: string, m?: number): Promise<string> }
mlModelId = id
status.hidden = true
return mlModel
Expand All @@ -234,15 +219,6 @@ import catalogue from "../data/maps-catalogue.json"
}
const result = await worker.transliterate(systemSelect.value, text)
out.textContent = result
if (modelId?.startsWith("spec:") && mlModel) {
const stats = (
mlModel as { stats?: () => { accepted: number; drafted: number; blocks: number } }
).stats?.()
if (stats) {
status.hidden = false
status.textContent = `Speculative: ${stats.accepted}/${stats.drafted} draft tokens accepted across ${stats.blocks} verifier passes`
}
}
const share = new URLSearchParams({
q: ($("input") as HTMLTextAreaElement).value,
sys: systemSelect.value,
Expand Down