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chore: Add comprehensive merge benchmarks (#71)

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Marcelo Mendonça Soares 2026-06-10 22:36:27 -03:00 • committed by GitHub
commit 4f2e6b3210
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1 changed files with 1023 additions and 19 deletions
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49
benchmark/utils/benchmark.dart
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@ -203,7 +203,7 @@ class TypesTableBenchmark extends AsyncBenchmarkBase {
'offline_sync_benchmark_$name.db',
);
_dbFile = File(dbPath);
_deleteDatabaseFiles(_dbFile);
deleteDatabaseFiles(_dbFile);
_plainSession = await Client(_clientUrl).createSession(
_dbFile.path,
@ -234,22 +234,8 @@ class TypesTableBenchmark extends AsyncBenchmarkBase {
}
}
Future<double> _measurePreparedCycles(int minimumMillis) async {
final minimumMicros = minimumMillis * 1000;
final watch = Stopwatch()..start();
var totalTimedMicros = 0.0;
var timedIterations = 0;
while (watch.elapsedMicroseconds < minimumMicros) {
await _prepareCycle();
final sw = Stopwatch()..start();
await run();
totalTimedMicros += sw.elapsedMicroseconds;
timedIterations++;
}
return totalTimedMicros / timedIterations;
}
Future<double> _measurePreparedCycles(int minimumMillis) =>
measurePreparedCycles(minimumMillis, prepare: _prepareCycle, run: run);
Future<void> _captureDatabaseSize() async {
try {
@ -335,7 +321,7 @@ class TypesTableBenchmark extends AsyncBenchmarkBase {
await _captureDatabaseSize();
await _plainSession.close();
_hasOpenSession = false;
_deleteDatabaseFiles(_dbFile);
deleteDatabaseFiles(_dbFile);
}
int measureStorage() {
@ -406,6 +392,30 @@ class TypesTableStorageBenchmark extends TypesTableBenchmark {
}
}
/// Repeats untimed [prepare] plus timed [run] cycles until at least
/// [minimumMillis] of wall time has elapsed, returning the average timed
/// microseconds per cycle.
Future<double> measurePreparedCycles(
int minimumMillis, {
required Future<void> Function() prepare,
required Future<void> Function() run,
}) async {
final minimumMicros = minimumMillis * 1000;
final watch = Stopwatch()..start();
var totalTimedMicros = 0.0;
var timedIterations = 0;
while (watch.elapsedMicroseconds < minimumMicros) {
await prepare();
final sw = Stopwatch()..start();
await run();
totalTimedMicros += sw.elapsedMicroseconds;
timedIterations++;
}
return totalTimedMicros / timedIterations;
}
/// Bytes used by SQLite for [mainDb], including WAL sidecars (often omitted by
/// `mainDb.lengthSync()` alone).
int _sqliteDbFootprintBytes(File mainDb) {
@ -421,7 +431,8 @@ int _sqliteDbFootprintBytes(File mainDb) {
return total;
}
void _deleteDatabaseFiles(File mainDb) {
/// Deletes the SQLite database [mainDb] and its WAL sidecar files.
void deleteDatabaseFiles(File mainDb) {
if (mainDb.existsSync()) {
mainDb.deleteSync();
}