Benchmarks.

bench/crawshaw_test.go

@@ -0,0 +1,86 @@
+package bench_test
+
+import (
+	"strconv"
+	"testing"
+
+	"crawshaw.io/sqlite"
+)
+
+func BenchmarkCrawshaw(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		crawshawTest()
+	}
+}
+
+func crawshawTest() {
+	db, err := sqlite.OpenConn(":memory:", 0)
+	if err != nil {
+		panic(err)
+	}
+	defer db.Close()
+
+	exec := func(sql string) error {
+		stmt, _, err := db.PrepareTransient(sql)
+		if err != nil {
+			return err
+		}
+		_, err = stmt.Step()
+		if err != nil {
+			return err
+		}
+		return stmt.Finalize()
+	}
+
+	err = exec(`CREATE TABLE users (id INTEGER PRIMARY KEY NOT NULL, name VARCHAR, age INTEGER, rating REAL)`)
+	if err != nil {
+		panic(err)
+	}
+
+	func() {
+		const N = 1_000_000
+
+		exec(`BEGIN`)
+		defer exec(`END`)
+
+		stmt, _, err := db.PrepareTransient(`INSERT INTO users (id, name, age, rating) VALUES (?, ?, ?, ?)`)
+		if err != nil {
+			panic(err)
+		}
+		defer stmt.Finalize()
+
+		for i := 0; i < N; i++ {
+			id := i + 1
+			name := "user " + strconv.Itoa(id)
+			age := 33 + id
+			rating := 0.13 * float64(id)
+			stmt.BindInt64(1, int64(id))
+			stmt.BindText(2, name)
+			stmt.BindInt64(3, int64(age))
+			stmt.BindFloat(4, rating)
+		}
+	}()
+
+	func() {
+		stmt, _, err := db.PrepareTransient(`SELECT id, name, age, rating FROM users ORDER BY id`)
+		if err != nil {
+			panic(err)
+		}
+		defer stmt.Finalize()
+
+		for {
+			if row, err := stmt.Step(); err != nil {
+				panic(err)
+			} else if !row {
+				break
+			}
+			id := stmt.ColumnInt(0)
+			name := stmt.ColumnText(1)
+			age := stmt.ColumnInt64(2)
+			rating := stmt.ColumnFloat(3)
+			if id < 1 || len(name) < 5 || age < 33 || rating < 0.13 {
+				panic("wrong row values")
+			}
+		}
+	}()
+}

bench/wasm_test.go

@@ -0,0 +1,86 @@
+package bench_test
+
+import (
+	"strconv"
+	"testing"
+
+	"github.com/ncruces/go-sqlite3"
+	_ "github.com/ncruces/go-sqlite3/embed"
+)
+
+func init() {
+	db, err := sqlite3.Open(":memory:")
+	if err != nil {
+		panic(err)
+	}
+	err = db.Close()
+	if err != nil {
+		panic(err)
+	}
+}
+
+func BenchmarkWasm(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		wasmTest()
+	}
+}
+
+func wasmTest() {
+	db, err := sqlite3.Open(":memory:")
+	if err != nil {
+		panic(err)
+	}
+	defer db.Close()
+
+	err = db.Exec(`CREATE TABLE users (id INTEGER PRIMARY KEY NOT NULL, name VARCHAR, age INTEGER, rating REAL)`)
+	if err != nil {
+		panic(err)
+	}
+
+	func() {
+		const N = 1_000_000
+
+		db.Exec(`BEGIN`)
+		defer db.Exec(`END`)
+
+		stmt, _, err := db.Prepare(`INSERT INTO users (id, name, age, rating) VALUES (?, ?, ?, ?)`)
+		if err != nil {
+			panic(err)
+		}
+		defer stmt.Close()
+
+		for i := 0; i < N; i++ {
+			id := i + 1
+			name := "user " + strconv.Itoa(id)
+			age := 33 + id
+			rating := 0.13 * float64(id)
+			stmt.BindInt(1, id)
+			stmt.BindText(2, name)
+			stmt.BindInt64(3, int64(age))
+			stmt.BindFloat(4, rating)
+		}
+	}()
+
+	func() {
+		stmt, _, err := db.Prepare(`SELECT id, name, age, rating FROM users ORDER BY id`)
+		if err != nil {
+			panic(err)
+		}
+		defer stmt.Close()
+
+		for {
+			if row, err := stmt.Step(); err != nil {
+				panic(err)
+			} else if !row {
+				break
+			}
+			id := stmt.ColumnInt(0)
+			name := stmt.ColumnText(1)
+			age := stmt.ColumnInt64(2)
+			rating := stmt.ColumnFloat(3)
+			if id < 1 || len(name) < 5 || age < 33 || rating < 0.13 {
+				panic("wrong row values")
+			}
+		}
+	}()
+}

go.mod

@@ -2,4 +2,7 @@ module github.com/ncruces/go-sqlite3
 
 go 1.19
 
-require github.com/tetratelabs/wazero v1.0.0-pre.7.0.20230114234926-2ce8988ab763
+require (
+	crawshaw.io/sqlite v0.3.2
+	github.com/tetratelabs/wazero v1.0.0-pre.7.0.20230117161130-15889085a5ca
+)

go.sum

@@ -1,2 +1,7 @@
+crawshaw.io/iox v0.0.0-20181124134642-c51c3df30797/go.mod h1:sXBiorCo8c46JlQV3oXPKINnZ8mcqnye1EkVkqsectk=
+crawshaw.io/sqlite v0.3.2 h1:N6IzTjkiw9FItHAa0jp+ZKC6tuLzXqAYIv+ccIWos1I=
+crawshaw.io/sqlite v0.3.2/go.mod h1:igAO5JulrQ1DbdZdtVq48mnZUBAPOeFzer7VhDWNtW4=
 github.com/tetratelabs/wazero v1.0.0-pre.7.0.20230114234926-2ce8988ab763 h1:cuXa6OWMd3L3+nNrX9SfT6GxS6ykUAvx8/eegN6KeNo=
 github.com/tetratelabs/wazero v1.0.0-pre.7.0.20230114234926-2ce8988ab763/go.mod h1:u8wrFmpdrykiFK0DFPiFm5a4+0RzsdmXYVtijBKqUVo=
+github.com/tetratelabs/wazero v1.0.0-pre.7.0.20230117161130-15889085a5ca h1:cvbRnzLE99QnA6HT3yoqXjWEB2JMiyTs3GSLpQZg45A=
+github.com/tetratelabs/wazero v1.0.0-pre.7.0.20230117161130-15889085a5ca/go.mod h1:u8wrFmpdrykiFK0DFPiFm5a4+0RzsdmXYVtijBKqUVo=