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import { useState } from "react";
import type { BenchmarkPlan, BenchmarkResult } from "@/lib/modelfit";
import { fetchBenchmarkPreview, runBenchmark } from "@/lib/modelfit";
const TASKS = ["latency", "throughput", "rag", "context_stress", "abstention"];
const QUANTS = ["q2_k", "q3_k", "q4_0", "q4_k", "q5_k", "q8", "fp16"];
export function BenchmarkLab({
defaultModelId = "",
}: {
defaultModelId?: string;
}) {
const [modelId, setModelId] = useState(defaultModelId);
const [quantization, setQuantization] = useState("q4_k");
const [task, setTask] = useState("latency");
const [numExamples, setNumExamples] = useState(10);
const [plan, setPlan] = useState<BenchmarkPlan | null>(null);
const [result, setResult] = useState<BenchmarkResult | null>(null);
const [loading, setLoading] = useState(false);
const [error, setError] = useState<string | null>(null);
const [phase, setPhase] = useState<"idle" | "preview" | "running" | "done">("idle");
async function preview() {
if (!modelId.trim()) return;
setLoading(true);
setError(null);
setResult(null);
try {
const p = await fetchBenchmarkPreview(modelId.trim(), quantization, task, numExamples);
setPlan(p);
setPhase("preview");
} catch (e) {
setError(String(e));
} finally {
setLoading(false);
}
}
async function run() {
if (!modelId.trim()) return;
setLoading(true);
setError(null);
setPhase("running");
try {
const r = await runBenchmark(modelId.trim(), quantization, task, numExamples);
setResult(r);
setPlan(null);
setPhase("done");
} catch (e) {
setError(String(e));
setPhase("preview");
} finally {
setLoading(false);
}
}
return (
<div className="space-y-5">
{/* Config */}
<div className="grid grid-cols-2 gap-3 sm:grid-cols-4">
<div className="col-span-2 sm:col-span-1 space-y-1">
<label className="text-xs text-zinc-500">Model ID</label>
<input
className="w-full bg-zinc-800 border border-zinc-700 rounded px-3 py-1.5 text-sm text-zinc-100 font-mono"
placeholder="e.g. ollama:llama3.1:8b"
value={modelId}
onChange={(e) => setModelId(e.target.value)}
/>
</div>
<div className="space-y-1">
<label className="text-xs text-zinc-500">Quantization</label>
<select
className="w-full bg-zinc-800 border border-zinc-700 rounded px-2 py-1.5 text-sm text-zinc-300"
value={quantization}
onChange={(e) => setQuantization(e.target.value)}
>
{QUANTS.map((q) => (
<option key={q} value={q}>
{q}
</option>
))}
</select>
</div>
<div className="space-y-1">
<label className="text-xs text-zinc-500">Task</label>
<select
className="w-full bg-zinc-800 border border-zinc-700 rounded px-2 py-1.5 text-sm text-zinc-300"
value={task}
onChange={(e) => setTask(e.target.value)}
>
{TASKS.map((t) => (
<option key={t} value={t}>
{t}
</option>
))}
</select>
</div>
<div className="space-y-1">
<label className="text-xs text-zinc-500">Examples</label>
<input
type="number"
min={1}
max={200}
className="w-full bg-zinc-800 border border-zinc-700 rounded px-3 py-1.5 text-sm text-zinc-100 font-mono"
value={numExamples}
onChange={(e) => setNumExamples(Number(e.target.value))}
/>
</div>
</div>
<div className="flex gap-2">
<button
onClick={preview}
disabled={loading || !modelId.trim()}
className="px-4 py-1.5 rounded border border-sky-700 text-sky-400 text-sm hover:bg-sky-900/30 disabled:opacity-50"
>
Preview (dry run)
</button>
{phase === "preview" && plan && (
<button
onClick={run}
disabled={loading}
className="px-4 py-1.5 rounded bg-emerald-700 hover:bg-emerald-600 text-white text-sm disabled:opacity-50"
>
{loading ? "Running…" : "Run benchmark"}
</button>
)}
</div>
{error && <p className="text-sm text-red-400">Error: {error}</p>}
{/* Preview plan */}
{plan && phase === "preview" && (
<div className="rounded-lg border border-zinc-700 bg-zinc-800/50 p-4 space-y-3 text-sm">
<p className="text-amber-400 text-xs font-semibold">DRY RUN — No benchmark has run yet</p>
<p className="text-zinc-300 font-mono">{plan.note}</p>
<div className="grid grid-cols-2 gap-x-6 gap-y-1 text-xs">
<span className="text-zinc-500">Model</span>
<span className="font-mono text-zinc-200">{plan.model_id}</span>
<span className="text-zinc-500">Quantization</span>
<span className="font-mono text-zinc-200">{plan.quantization}</span>
<span className="text-zinc-500">Task</span>
<span className="font-mono text-zinc-200">{plan.task}</span>
<span className="text-zinc-500">Examples</span>
<span className="font-mono text-zinc-200">{plan.num_examples}</span>
<span className="text-zinc-500">Est. duration</span>
<span className="font-mono text-zinc-200">{plan.estimated_duration_min} min</span>
<span className="text-zinc-500">Requires Ollama</span>
<span className="font-mono text-zinc-200">{plan.requires_ollama ? "Yes" : "No"}</span>
<span className="text-zinc-500">Auto-download</span>
<span className="font-mono text-emerald-400">Never</span>
</div>
{plan.warnings.map((w, i) => (
<p key={i} className="text-xs text-amber-400">
⚠ {w}
</p>
))}
<div className="space-y-1">
<p className="text-xs text-zinc-500 uppercase">Sample prompts</p>
{plan.sample_prompts.map((p, i) => (
<p key={i} className="text-xs text-zinc-400 italic truncate">
"{p}"
</p>
))}
</div>
</div>
)}
{/* Running */}
{phase === "running" && (
<div className="rounded-lg border border-zinc-700 bg-zinc-800/50 p-4 text-sm text-zinc-300">
<div className="flex items-center gap-2">
<div className="w-2 h-2 rounded-full bg-sky-400 animate-pulse" />
Running benchmark against {modelId}…
</div>
<p className="text-xs text-zinc-500 mt-1">
This may take several minutes. No model will be downloaded.
</p>
</div>
)}
{/* Result */}
{result && phase === "done" && (
<BenchmarkResultCard result={result} />
)}
</div>
);
}
function BenchmarkResultCard({ result }: { result: BenchmarkResult }) {
const statusColor =
result.status === "completed"
? "text-emerald-400"
: result.status === "failed"
? "text-red-400"
: "text-zinc-400";
return (
<div className="rounded-lg border border-zinc-700 bg-zinc-800/50 p-4 space-y-3">
<div className="flex items-center justify-between">
<span className="text-xs text-zinc-500 font-mono">run/{result.run_id}</span>
<span className={`text-xs font-semibold ${statusColor}`}>{result.status}</span>
</div>
{result.error && (
<p className="text-sm text-red-400">Error: {result.error}</p>
)}
{result.status === "completed" && (
<div className="grid grid-cols-2 gap-x-6 gap-y-1 text-xs">
<span className="text-zinc-500">Avg tok/s</span>
<span className="font-mono text-emerald-400">
{result.avg_tok_per_sec != null
? `${result.avg_tok_per_sec} (measured)`
: "not measured"}
</span>
<span className="text-zinc-500">p50 latency</span>
<span className="font-mono text-zinc-200">
{result.p50_latency_ms != null ? `${result.p50_latency_ms} ms` : "—"}
</span>
<span className="text-zinc-500">p95 latency</span>
<span className="font-mono text-zinc-200">
{result.p95_latency_ms != null ? `${result.p95_latency_ms} ms` : "—"}
</span>
<span className="text-zinc-500">TTFT</span>
<span className="font-mono text-zinc-200">
{result.time_to_first_token_ms != null
? `${result.time_to_first_token_ms} ms`
: "—"}
</span>
<span className="text-zinc-500">Peak memory</span>
<span className="font-mono text-zinc-200">
{result.peak_memory_gb != null ? `${result.peak_memory_gb} GB` : "—"}
</span>
<span className="text-zinc-500">Examples</span>
<span className="font-mono text-zinc-200">
{result.completed_examples}/{result.num_examples}
</span>
</div>
)}
{result.warnings.map((w, i) => (
<p key={i} className="text-xs text-amber-400">
⚠ {w}
</p>
))}
</div>
);
}
|