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Improve usefulness of FilterContainer.benchmark() 

Add ability to test/record results. This allows to compare against
output after code changes to detect and more accurately report
regressions.
This commit is contained in:
Raymond Hill 2019-04-14 09:44:24 -04:00
parent 813d96175d
commit 92c5f17b78
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GPG Key ID: 25E1490B761470C2
1 changed files with 30 additions and 5 deletions
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35
src/js/static-net-filtering.js
View File

@ -2690,7 +2690,7 @@ FilterContainer.prototype.getFilterCount = function() {
/******************************************************************************/
FilterContainer.prototype.benchmark = function() {
FilterContainer.prototype.benchmark = function(action) {
µb.loadBenchmarkDataset().then(requests => {
if ( Array.isArray(requests) === false || requests.length === 0 ) {
console.info('No requests found to benchmark');
@ -2698,19 +2698,44 @@ FilterContainer.prototype.benchmark = function() {
}
console.info(`Benchmarking staticNetFilteringEngine.matchString()...`);
const fctxt = µb.filteringContext.duplicate();
let blockCount = 0;
let expected, recorded;
if ( action === 1 ) {
try {
expected = JSON.parse(
vAPI.localStorage.getItem('FilterContainer.benchmark.results')
);
} catch(ex) {
}
}
if ( action === 2 ) {
recorded = [];
}
const t0 = self.performance.now();
for ( const request of requests ) {
for ( let i = 0; i < requests.length; i++ ) {
const request = requests[i];
fctxt.setURL(request.url);
fctxt.setDocOriginFromURL(request.frameUrl);
fctxt.setType(request.cpt);
if ( this.matchString(fctxt) === 1 ) { blockCount += 1; }
const r = this.matchString(fctxt);
if ( recorded !== undefined ) { recorded.push(r); }
if ( expected !== undefined && r !== expected[i] ) {
throw 'Mismatch with reference results';
}
}
const t1 = self.performance.now();
const dur = t1 - t0;
console.info(`Evaluated ${requests.length} requests in ${dur.toFixed(0)} ms`);
console.info(`\tBlocked: ${blockCount}`);
console.info(`\tAverage: ${(dur / requests.length).toFixed(3)} ms per request`);
if ( expected !== undefined ) {
console.info(`\tBlocked: ${expected.reduce((n,r)=>{return r===1?n+1:n;},0)}`);
console.info(`\tExcepted: ${expected.reduce((n,r)=>{return r===2?n+1:n;},0)}`);
}
if ( recorded !== undefined ) {
vAPI.localStorage.setItem(
'FilterContainer.benchmark.results',
JSON.stringify(recorded)
);
}
});
return 'ok';
};