static void Main(string[] args)
{
FluentArgsBuilder
.NewWithDefaultConfigs()
.WithApplicationDescription("Benchmark of sqlite3 bulk inserts with different pragmas.")
.Parameter <int>("-i", "--batchSizeIncrement")
.WithDescription("Growth of 'batchSizeBase' parameter in each test set run.")
.WithValidation(i => i >= 1)
.IsOptionalWithDefault(5_000)
.Parameter <int>("-b", "--batchSizeBase")
.WithDescription("Minimal number of inserts in a transaction, will be incremented by 'batchSizeIncrement' in each test set run.")
.WithValidation(b => b >= 1)
.IsOptionalWithDefault(5_000)
.Parameter <int>("-t", "--tableCount")
.WithDescription("Number of tables to use for inserts.")
.WithValidation(t => t >= 1)
.IsOptionalWithDefault(10)
.Parameter <string>("-s", "--string")
.WithDescription("Value to insert (along with sequential integer primary key).")
.IsOptionalWithDefault("string")
.Parameter <int>("-r", "--rowCount")
.WithDescription("Total number of rows to insert in each test.")
.WithValidation(r => r >= 100)
.IsOptionalWithDefault(5_000_000)
.Parameter <int>("-n", "--number")
.WithDescription("Number of test set runs.")
.WithValidation(n => n >= 1)
.IsOptionalWithDefault(40)
.Call(n => totalRows => value => tblCount => batchSizeBase => batchSizeIncrement =>
{
Console.WriteLine("batchSize;default;sync-off;jm-wal;jm-off;lm-excl;sync-off&jm-off&lm-excl");
for (int i = 0; i < n; i++)
{
var batchSize = batchSizeBase + batchSizeIncrement * i;
var commits = Math.Max(1, totalRows / batchSize);
Console.WriteLine(new StringBuilder().AppendJoin(";",
batchSize,
RunTestSet("default", i, Array.Empty <string>(), tblCount, commits, batchSize, value),
RunTestSet("sync-off", i, new[] { "synchronous = OFF" }, tblCount, commits, batchSize, value),
RunTestSet("jm-wal", i, new[] { "journal_mode = WAL" }, tblCount, commits, batchSize, value),
RunTestSet("jm-off", i, new[] { "journal_mode = OFF" }, tblCount, commits, batchSize, value),
RunTestSet("lm-excl", i, new[] { "locking_mode = EXCLUSIVE" }, tblCount, commits, batchSize, value),
RunTestSet("sync-off&jm-off&lm-excl", i, new[] {
"synchronous = OFF",
"journal_mode = OFF",
"locking_mode = EXCLUSIVE"
}, tblCount, commits, batchSize, value)
));
}
})
.Parse(args);
}