remove jstat from webdriver-ts

Author: krausest

webdriver-ts/package.json

@@ -36,7 +36,6 @@
   "dependencies": {
     "chromedriver": "112.0.0",
     "cross-env": "7.0.3",
-    "jstat": "1.9.6",
     "lighthouse": "10.1.1",
     "playwright": "1.33.0",
     "playwright-firefox": "1.33.0",

webdriver-ts/src/common.ts

@@ -67,7 +67,7 @@ export let config = {
   WARMUP_COUNT: 5,
   TIMEOUT: 60 * 1000,
   LOG_PROGRESS: true,
-  LOG_DETAILS: false,
+  LOG_DETAILS: true,
   LOG_DEBUG: false,
   LOG_TIMELINE: false,
   EXIT_ON_ERROR: null as boolean, // set from command line

webdriver-ts/src/computeDuration.test.ts

@@ -33,7 +33,7 @@ describe("duration is computed matching to some hand checked examples", () => {
     expect(result.duration).toBe(67.348);
     expect(result.droppedNonMainProcessCommitEvents).toBe(false);
     expect(result.droppedNonMainProcessOtherEvents).toBe(false);
-    expect(result.maxDeltaBetweenCommits).toBe(60.919);
+    expect(result.maxDeltaBetweenCommits).toBe(2.304);
     expect(result.numberCommits).toBe(2);
   });
   // ## Use the commit after the function call

webdriver-ts/src/parseTrace.ts

@@ -3,18 +3,22 @@ import { BenchmarkOptions, config, initializeFrameworks } from "./common.js";
 import { computeResultsCPU, parseCPUTrace, PlausibilityCheck } from "./timeline.js";
 
 async function debugSingle() {
+  let values = [];
   // for (let i = 0; i < 12; i++) {
-  // const trace = `traces/alpine-v3.12.0-keyed_07_create10k_${i}.json`;
+    const trace = `unittests/dojo-v8.0.0-keyed_02_replace1k_0.json`;
+    // const trace = `traces/alpine-v3.12.0-keyed_07_create10k_${i}.json`;
   // const trace = `traces/alpine-v3.12.0-keyed_07_create10k_0.jsontraces/1more-v0.1.18-keyed_01_run1k_0.json`;
   // const trace = `traces/alpine-v3.12.0-keyed_07_create10k_0.json`;
-  const trace = `traces/arrowjs-v1.0.0-alpha.9-keyed_07_create10k_0.json`;
+  // const trace = `traces/arrowjs-v1.0.0-alpha.9-keyed_07_create10k_0.json`;
   // const trace = `traces/better-react-v1.1.3-keyed_04_select1k_1.json`;
   // const trace = `traces/1more-v0.1.18-keyed_01_run1k_0.json`;
-  console.log("analyzing trace ", trace);
-  const cpuTrace = await computeResultsCPU(trace);
-  console.log(trace, cpuTrace);
+    console.log("analyzing trace ", trace);
+    const cpuTrace = await computeResultsCPU(trace);
+    console.log(trace, cpuTrace);
+    values.push(cpuTrace.duration);
   // console.log(trace, await computeResultsJS(cpuTrace, config, trace, DurationMeasurementMode.LAST_PAINT))
   // }
+  console.log(values);
 }
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars

webdriver-ts/src/writeResults.ts

@@ -2,8 +2,7 @@ import * as fs from "fs";
 import { BenchmarkInfo, BenchmarkType, CPUBenchmarkResult, fileName } from "./benchmarksCommon.js";
 import { StartupBenchmarkResult, subbenchmarks } from "./benchmarksLighthouse.js";
 import { FrameworkData, JsonResult, JsonResultData } from "./common.js";
-import pkg from "jstat";
-const { jStat } = pkg;
+import { stats } from "./stats.js";
 
 export type ResultLightHouse = {
   framework: FrameworkData;
@@ -67,15 +66,7 @@ function createResultFile(
       break;
   }
   let convertResult = (label: string, data: number[]) => {
-    let s = jStat(data);
-    let res = {
-      min: s.min(),
-      max: s.max(),
-      mean: s.mean(),
-      median: s.median(),
-      stddev: s.stdev(true),
-      values: data,
-    };
+    let res = stats(data);
     console.log(`result ${fileName(framework, benchmark)} ${label} ${JSON.stringify(res)}`);
     return res;
   };