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Automatic perf stats in baselines (#57730)

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Ryan Cavanaugh
2024-03-15 13:31:07 -07:00
committed by GitHub
parent aeddd65ab8
commit 601117644e
149 changed files with 933 additions and 1 deletions
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47
src/harness/harnessIO.ts
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@@ -776,12 +776,57 @@ export namespace Compiler {
function generateBaseLine(isSymbolBaseline: boolean, skipBaseline?: boolean): string | null {
let result = "";
const perfLines: string[] = [];
const prePerformanceValues = getPerformanceBaselineValues();
const gen = iterateBaseLine(isSymbolBaseline, skipBaseline);
for (const value of gen) {
const [, content] = value;
result += content;
}
return result ? (`//// [${header}] ////\r\n\r\n` + result) : null; // eslint-disable-line no-null/no-null
const postPerformanceValues = getPerformanceBaselineValues();
if (!isSymbolBaseline) {
const perfStats: [name: string, reportThreshold: number, rounding: number, beforeValue: number, afterValue: number][] = [];
perfStats.push(["Strict subtype cache", 1000, 100, prePerformanceValues.strictSubtype, postPerformanceValues.strictSubtype]);
perfStats.push(["Subtype cache", 1000, 100, prePerformanceValues.subtype, postPerformanceValues.subtype]);
perfStats.push(["Identity cache", 1000, 100, prePerformanceValues.identity, postPerformanceValues.identity]);
perfStats.push(["Assignability cache", 1000, 100, prePerformanceValues.assignability, postPerformanceValues.assignability]);
perfStats.push(["Type Count", 1000, 100, prePerformanceValues.typeCount, postPerformanceValues.typeCount]);
perfStats.push(["Instantiation count", 1500, 500, prePerformanceValues.instantiation, postPerformanceValues.instantiation]);
perfStats.push(["Symbol count", 45000, 500, prePerformanceValues.symbol, postPerformanceValues.symbol]);
if (perfStats.some(([, threshold, , , postValue]) => postValue >= threshold)) {
perfLines.push(`=== Performance Stats ===`);
for (const [name, _, rounding, preValue, postValue] of perfStats) {
const preDisplay = valueToString(preValue, rounding);
if (preDisplay !== "0") {
perfLines.push(`${name}: ${preDisplay} / ${valueToString(postValue, rounding)} (nearest ${rounding})`);
}
}
perfLines.push("");
perfLines.push("");
}
}
return result ? (`//// [${header}] ////\r\n\r\n${perfLines.join("\n")}${result}`) : null; // eslint-disable-line no-null/no-null
}
function valueToString(value: number, rounding: number) {
return (Math.round(value / rounding) * rounding).toLocaleString("en-US");
}
function getPerformanceBaselineValues() {
const checker = program.getTypeChecker();
const caches = checker.getRelationCacheSizes();
return {
strictSubtype: caches.strictSubtype,
subtype: caches.subtype,
identity: caches.identity,
assignability: caches.assignable,
typeCount: checker.getTypeCount(),
instantiation: checker.getInstantiationCount(),
symbol: checker.getSymbolCount(),
};
}
function* iterateBaseLine(isSymbolBaseline: boolean, skipBaseline?: boolean): IterableIterator<[string, string]> {