Add GORM in prepared mode

benchs/gorm_prep.go

@@ -0,0 +1,112 @@
+package benchs
+
+import (
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+)
+
+var gormdbp *gorm.DB
+
+func init() {
+	st := NewSuite("gorm_prep")
+	st.InitF = func() {
+		st.AddBenchmark("Insert", 200*OrmMulti, GormPrepInsert)
+		st.AddBenchmark("MultiInsert 100 row", 200*OrmMulti, GormPrepInsertMulti)
+		st.AddBenchmark("Update", 200*OrmMulti, GormPrepUpdate)
+		st.AddBenchmark("Read", 200*OrmMulti, GormPrepRead)
+		st.AddBenchmark("MultiRead limit 100", 200*OrmMulti, GormPrepReadSlice)
+
+		var err error
+		gormdbp, err = gorm.Open(postgres.New(postgres.Config{
+			DSN: OrmSource,
+		}), &gorm.Config{
+			SkipDefaultTransaction: true,
+			PrepareStmt:            true,
+			Logger:                 logger.Default.LogMode(logger.Silent),
+		})
+		CheckErr(err)
+	}
+}
+
+func GormPrepInsert(b *B) {
+	var m *Model
+	WrapExecute(b, func() {
+		InitDB()
+		m = NewModel()
+	})
+
+	for i := 0; i < b.N; i++ {
+		m.Id = 0
+		err := gormdbp.Create(m).Error
+		CheckErr(err, b)
+	}
+}
+
+func GormPrepInsertMulti(b *B) {
+	var ms []*Model
+	WrapExecute(b, func() {
+		InitDB()
+		ms = make([]*Model, 0, 100)
+		for i := 0; i < 100; i++ {
+			ms = append(ms, NewModel())
+		}
+	})
+
+	for i := 0; i < b.N; i++ {
+		for _, m := range ms {
+			m.Id = 0
+		}
+		err := gormdbp.Create(&ms).Error
+		CheckErr(err, b)
+	}
+}
+
+func GormPrepUpdate(b *B) {
+	var m *Model
+	WrapExecute(b, func() {
+		InitDB()
+		m = NewModel()
+		err := gormdbp.Create(m).Error
+		CheckErr(err, b)
+	})
+
+	for i := 0; i < b.N; i++ {
+		err := gormdbp.Model(m).Updates(m).Error
+		CheckErr(err, b)
+	}
+}
+
+func GormPrepRead(b *B) {
+	var m *Model
+	WrapExecute(b, func() {
+		InitDB()
+		m = NewModel()
+		err := gormdbp.Create(m).Error
+		CheckErr(err, b)
+	})
+
+	for i := 0; i < b.N; i++ {
+		err := gormdbp.Take(m).Error
+		CheckErr(err, b)
+	}
+}
+
+func GormPrepReadSlice(b *B) {
+	var m *Model
+	WrapExecute(b, func() {
+		InitDB()
+		m = NewModel()
+		for i := 0; i < 100; i++ {
+			m.Id = 0
+			err := gormdbp.Create(m).Error
+			CheckErr(err, b)
+		}
+	})
+
+	for i := 0; i < b.N; i++ {
+		var models []*Model
+		err := gormdbp.Where("id > ?", 0).Limit(100).Find(&models).Error
+		CheckErr(err, b)
+	}
+}

go.sum

@@ -416,6 +416,8 @@ github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hashicorp/hcl/v2 v2.11.1 h1:yTyWcXcm9XB0TEkyU/JCRU6rYy4K+mgLtzn2wlrJbcc=
 github.com/hashicorp/hcl/v2 v2.11.1/go.mod h1:FwWsfWEjyV/CMj8s/gqAuiviY72rJ1/oayI9WftqcKg=
+github.com/hashicorp/hcl/v2 v2.12.0 h1:PsYxySWpMD4KPaoJLnsHwtK5Qptvj/4Q6s0t4sUxZf4=
+github.com/hashicorp/hcl/v2 v2.12.0/go.mod h1:FwWsfWEjyV/CMj8s/gqAuiviY72rJ1/oayI9WftqcKg=
 github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
 github.com/hashicorp/mdns v1.0.1/go.mod h1:4gW7WsVCke5TE7EPeYliwHlRUyBtfCwuFwuMg2DmyNY=