Quelle test_queue_write_perf.html

Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/webgpu/tests/mochitest/test_queue_write_perf.html

<!doctype html>
<html>
  <head>
    <meta charset="utf-8" />
    <script src="/tests/SimpleTest/SimpleTest.js"></script>
    <link rel="stylesheet" href="/tests/SimpleTest/test.css" />
  </head>

  <body>
    <script type="text/javascript">
      "use strict";

      var perfMetadata = {
        owner: "Graphics Team",
        name: "Queue Write",
        description:
          "Test the performance of Queue.writeBuffer and Queue.writeTexture",
        test: "mochitest",
        options: {
          default: {
            perfherder: true,
            perfherder_metrics: [
              { name: "writeBuffer Time", unit: "ms" },
              { name: "writeTexture Time", unit: "ms" },
            ],
            manifest: "perftest.toml",
            manifest_flavor: "plain",
          },
        },
      };

      const iters = 100;

      ok(
        SpecialPowers.getBoolPref("dom.webgpu.enabled"),
        "WebGPU pref should be enabled."
      );

      async function runTest() {
        const adapter = await navigator.gpu.requestAdapter();
        const device = await adapter.requestDevice();
        device.onuncapturederror = function (e) {
          ok(false, "WebGPU error: " + e.error.message);
        };
        const buffer = device.createBuffer({
          size: 1024 * 1024,
          usage:
            GPUBufferUsage.COPY_DST |
            GPUBufferUsage.COPY_SRC |
            GPUBufferUsage.VERTEX,
        });
        const arrayBuf = new ArrayBuffer(256 * 1024 * 1024);
        new Int32Array(arrayBuf).fill(0x55);

        performance.mark("start writeBuffer");
        for (var i = 0; i < iters; i++) {
          device.queue.writeBuffer(buffer, 0, arrayBuf, 0, 1024 * 1024);
        }
        const writeBufferTime = performance.measure(
          "writeBuffer",
          "start writeBuffer"
        ).duration;

        const texture = device.createTexture({
          size: [512, 512, 1],
          dimension: "2d",
          format: "rgba8unorm",
          usage: GPUTextureUsage.COPY_DST | GPUTextureUsage.COPY_SRC,
        });

        performance.mark("start writeTexture");
        for (i = 0; i < iters; i++) {
          device.queue.writeTexture(
            { texture },
            arrayBuf,
            { bytesPerRow: 2048 },
            [512, 512, 1]
          );
        }
        const writeTextureTime = performance.measure(
          "writeTexture",
          "start writeTexture"
        ).duration;

        ok(device !== undefined, "");
        info(
          "perfMetrics",
          JSON.stringify({
            "writeBuffer Time": writeBufferTime,
            "writeTexture Time": writeTextureTime,
          })
        );
      }

      SimpleTest.waitForExplicitFinish();

      runTest()
        .catch(e => ok(false, "Unhandled exception " + e))
        .finally(() => SimpleTest.finish());
    </script>
  </body>
</html>

Messung V0.5 in Prozent

¤ Dauer der Verarbeitung: 0.15 Sekunden (vorverarbeitet am 2026-08-25) ¤

Wurzel

Suchen

PVS Prover

Isabelle Prover

NIST Cobol Testsuite

Cephes Mathematical Library

Vienna Development Method

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.