benchmark: add source map and source map cache

PR-URL: #58125
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Edy Silva <edigleyssonsilva@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>

Author: miguelmarcondesf

benchmark/source_map/source-map-cache.js

@@ -0,0 +1,60 @@
+'use strict';
+
+constcommon=require('../common.js');
+constassert=require('assert');
+constfixtures=require('../../test/common/fixtures');
+
+constbench=common.createBenchmark(
+main,
+{
+operation: [
+'findSourceMap-valid',
+'findSourceMap-generated-source',
+],
+n: [1e5],
+},
+);
+
+functionmain({ operation, n }){
+constModule=require('node:module');
+
+Module.setSourceMapsSupport(true,{
+generatedCode: true,
+});
+constvalidFileName=fixtures.path('test-runner/source-maps/line-lengths/index.js');
+
+constfileNameKey='/source-map/disk.js';
+constgeneratedFileName=fixtures.path(fileNameKey);
+constgeneratedFileContent=fixtures.readSync(fileNameKey,'utf8');
+constsourceMapUrl=generatedFileName.replace(/\.js$/,'.map');
+constsourceWithGeneratedSourceMap=
+`${generatedFileContent}\n//# sourceMappingURL=${sourceMapUrl}\n//# sourceURL=${generatedFileName}`;
+constgeneratedExpectedUrl=`file://${generatedFileName}`;
+
+letsourceMap;
+switch(operation){
+case'findSourceMap-valid':
+require(validFileName);
+
+bench.start();
+for(leti=0;i<n;i++){
+sourceMap=Module.findSourceMap(validFileName);
+}
+bench.end(n);
+break;
+
+case'findSourceMap-generated-source':
+eval(sourceWithGeneratedSourceMap);
+
+bench.start();
+for(leti=0;i<n;i++){
+sourceMap=Module.findSourceMap(generatedExpectedUrl);
+}
+bench.end(n);
+break;
+
+default:
+thrownewError(`Unknown operation: ${operation}`);
+}
+assert.ok(sourceMap);
+}

benchmark/source_map/source-map.js

@@ -0,0 +1,95 @@
+'use strict';
+
+constcommon=require('../common.js');
+constassert=require('assert');
+constfixtures=require('../../test/common/fixtures');
+
+constbench=common.createBenchmark(
+main,
+{
+operation: [
+'parse',
+'parse-sectioned',
+'findEntry',
+'findEntry-sectioned',
+'findOrigin',
+'findOrigin-sectioned',
+],
+n: [1e5],
+},
+);
+
+functionmain({ operation, n }){
+const{ SourceMap }=require('node:module');
+
+constsamplePayload=JSON.parse(
+fixtures.readSync('source-map/no-source.js.map','utf8'),
+);
+constsectionedPayload=JSON.parse(
+fixtures.readSync('source-map/disk-index.map','utf8'),
+);
+
+letsourceMap;
+letsourceMapMethod;
+switch(operation){
+case'parse':
+bench.start();
+for(leti=0;i<n;i++){
+sourceMap=newSourceMap(samplePayload);
+}
+bench.end(n);
+break;
+
+case'parse-sectioned':
+bench.start();
+for(leti=0;i<n;i++){
+sourceMap=newSourceMap(sectionedPayload);
+}
+bench.end(n);
+break;
+
+case'findEntry':
+sourceMap=newSourceMap(samplePayload);
+bench.start();
+for(leti=0;i<n;i++){
+sourceMapMethod=sourceMap.findEntry(i,i);
+}
+bench.end(n);
+assert.ok(sourceMapMethod);
+break;
+
+case'findEntry-sectioned':
+sourceMap=newSourceMap(sectionedPayload);
+bench.start();
+for(leti=0;i<n;i++){
+sourceMapMethod=sourceMap.findEntry(i,i);
+}
+bench.end(n);
+assert.ok(sourceMapMethod);
+break;
+
+case'findOrigin':
+sourceMap=newSourceMap(samplePayload);
+bench.start();
+for(leti=0;i<n;i++){
+sourceMapMethod=sourceMap.findOrigin(i,i);
+}
+bench.end(n);
+assert.ok(sourceMapMethod);
+break;
+
+case'findOrigin-sectioned':
+sourceMap=newSourceMap(sectionedPayload);
+bench.start();
+for(leti=0;i<n;i++){
+sourceMapMethod=sourceMap.findOrigin(i,i);
+}
+bench.end(n);
+assert.ok(sourceMapMethod);
+break;
+
+default:
+thrownewError(`Unknown operation: ${operation}`);
+}
+assert.ok(sourceMap);
+}

test/benchmark/test-benchmark-source-map.js

@@ -0,0 +1,7 @@
+'use strict';
+
+require('../common');
+
+construnBenchmark=require('../common/benchmark');
+
+runBenchmark('source_map',{NODEJS_BENCHMARK_ZERO_ALLOWED: 1});