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web: show the tiny-tpu array cycle by cycle (L2 view) #9

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Merged
deaneeth merged 1 commit into from
Oct 26, 2026
Merged

web: show the tiny-tpu array cycle by cycle (L2 view) #9

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11 changes: 11 additions & 0 deletions web/e2e/smoke.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,17 @@ test.describe("Compiler Explorer smoke", () => {
await expect(page.getByText("bit-exact").first()).toBeVisible();
});

test("the tiny-tpu tab shows the array, cycle by cycle, from the RTL trace", async ({ page }) => {
await page.goto("/app");
await page.getByRole("button", { name: "Compile & run" }).click();
await expect(page.getByText("bit-exact").first()).toBeVisible({ timeout: 150_000 });
await page.getByRole("tab", { name: "tiny-tpu" }).click();
await expect(page.getByRole("img", { name: /^PE\[0\]\[0\] / }).first()).toBeVisible();
await expect(page.getByText(/cycle 0 \/ \d+ · IDLE|cycle 0 \/ \d+ · LOAD_WEIGHTS/)).toBeVisible();
await page.getByRole("button", { name: "pass 2" }).click();
await expect(page.getByText(/cycle 0 \/ \d+/)).toBeVisible();
});

test("a rejected program is shown as an error, not a crash", async ({ page }) => {
await page.goto("/app");
await page.getByLabel("source").fill("input A : i8[2, 2]\nC = A @ A +\noutput C\n");
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1 change: 1 addition & 0 deletions web/package.json
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Expand Up @@ -17,6 +17,7 @@
"dependencies": {
"@astrojs/react": "^4.0.0",
"astro": "^5.0.0",
"framer-motion": "^12.43.0",
"react": "^18.3.1",
"react-dom": "^18.3.1"
},
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38 changes: 38 additions & 0 deletions web/pnpm-lock.yaml
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9 changes: 8 additions & 1 deletion web/src/components/Explorer.tsx
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Expand Up @@ -2,6 +2,7 @@ import { useMemo, useState } from "react";
import { analyze } from "../lib/compiler";
import { EXAMPLES } from "../lib/examples.generated";
import { runTpu, type TpuRun } from "../lib/tpu";
import TpuSchedule from "./TpuSchedule";
import { tpuExact } from "../lib/verify";
import type { Analysis, GpuRun } from "../lib/types";

Expand Down Expand Up @@ -184,6 +185,12 @@ export default function Explorer() {
(estimate)
</p>
<Code>{analysis.tpu.tile ?? ""}</Code>
<h3 style={{ fontSize: 15, marginTop: 16 }}>Array, cycle by cycle</h3>
{tpuRun ? (
<TpuSchedule run={tpuRun} />
) : (
<p className="muted">{tpuError ?? "Running on the tiny-tpu RTL…"}</p>
)}
</>
)}
</>
Expand Down Expand Up @@ -269,7 +276,7 @@ function Compare({
<tr>
<td>cycles</td>
<td>{gpuRun ? `${gpuRun.cycles}` : "—"}</td>
<td>{tpuRun ? `${tpuRun.totalCycles} (${tpuRun.passes} pass${tpuRun.passes === 1 ? "" : "es"} × 15)` : "—"}</td>
<td>{tpuRun ? `${tpuRun.totalCycles} (${tpuRun.passes.length} pass${tpuRun.passes.length === 1 ? "" : "es"})` : "—"}</td>
</tr>
<tr>
<td>instructions</td>
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