diff --git a/resources/benchmark-runner.mjs b/resources/benchmark-runner.mjs
index 8a4e2958b..111830bd5 100644
--- a/resources/benchmark-runner.mjs
+++ b/resources/benchmark-runner.mjs
@@ -116,9 +116,58 @@ class PageElement {
}
}
+// The WarmupSuite is used to make sure all runner helper functions and
+// classes are compiled, to avoid unnecessary pauses due to delayed
+// compilation of runner methods in the middle of the measuring cycle.
+const WarmupSuite = {
+ name: "Warmup",
+ url: "warmup/index.html",
+ async prepare(page) {
+ await page.waitForElement("#testItem");
+ },
+ tests: [
+ // Make sure to run ever page.method once at least
+ new BenchmarkTestStep("WarmingUpPageMethods", (page) => {
+ let results = [];
+ results.push(page.querySelector(".testItem"));
+ results.push(page.querySelectorAll(".item"));
+ results.push(page.getElementById("testItem"));
+ }),
+ new BenchmarkTestStep("WarmingUpPageElementMethods", (page) => {
+ const item = page.getElementById("testItem");
+ item.setValue("value");
+ item.click();
+ item.focus();
+ item.dispatchEvent("change");
+ item.enter("keypress");
+ item.dispatchEvent("input");
+ item.enter("keyup");
+ }),
+ new BenchmarkTestStep("WarmingUpPageElementMouseMethods", (page) => {
+ const item = page.getElementById("testItem");
+ const mouseEventOptions = { clientX: 100, clientY: 100, bubbles: true, cancelable: true };
+ const wheelEventOptions = {
+ clientX: 200,
+ clientY: 200,
+ deltaMode: 0,
+ delta: -10,
+ deltaY: -10,
+ bubbles: true,
+ cancelable: true,
+ };
+ item.dispatchEvent("mousedown", mouseEventOptions, MouseEvent);
+ item.dispatchEvent("mousemove", mouseEventOptions, MouseEvent);
+ item.dispatchEvent("mouseup", mouseEventOptions, MouseEvent);
+ item.dispatchEvent("wheel", wheelEventOptions, WheelEvent);
+ }),
+ ],
+};
+
export class BenchmarkRunner {
constructor(suites, client) {
this._suites = suites;
+ if (params.useWarmupSuite)
+ this._suites = [WarmupSuite, ...suites];
this._client = client;
this._page = null;
this._metrics = {
@@ -263,6 +312,11 @@ export class BenchmarkRunner {
}
async _recordTestResults(suite, test, syncTime, asyncTime, unused_height, testDoneCallback) {
+ // Skip reporting updates for the warmup suite.
+ if (suite === WarmupSuite) {
+ testDoneCallback();
+ return;
+ }
const suiteResults = this._measuredValues.tests[suite.name] || { tests: {}, total: 0 };
const total = syncTime + asyncTime;
this._measuredValues.tests[suite.name] = suiteResults;
diff --git a/resources/params.mjs b/resources/params.mjs
index af6c779e9..68ffb4f28 100644
--- a/resources/params.mjs
+++ b/resources/params.mjs
@@ -7,6 +7,7 @@ class Params {
startAutomatically = false;
iterationCount = 10;
suites = [];
+ useWarmupSuite = false;
constructor(searchParams = undefined) {
if (searchParams)
@@ -48,6 +49,11 @@ class Params {
const unused = Array.from(searchParams.keys());
if (unused.length > 0)
console.error("Got unused search params", unused);
+
+ if (searchParams.has("useWarmupSuite")) {
+ this.useWarmupSuite = true;
+ searchParams.delete("useWarmupSuite");
+ }
}
toSearchParams() {
diff --git a/resources/warmup/index.html b/resources/warmup/index.html
new file mode 100644
index 000000000..80f84178b
--- /dev/null
+++ b/resources/warmup/index.html
@@ -0,0 +1,18 @@
+
+
+
+
+ Warmup Page
+
+
+ WARMUP
+
+
item 1
+
item 2
+
item 3
+
item 4
+
item 5
+
item 6
+