118 lines
3.2 KiB
Go
118 lines
3.2 KiB
Go
// Copyright 2023 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sortexec_test
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import (
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"context"
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"fmt"
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"testing"
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"github.com/pingcap/tidb/pkg/executor/internal/exec"
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"github.com/pingcap/tidb/pkg/executor/internal/testutil"
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"github.com/pingcap/tidb/pkg/executor/sortexec"
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"github.com/pingcap/tidb/pkg/expression"
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"github.com/pingcap/tidb/pkg/planner/util"
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"github.com/pingcap/tidb/pkg/sessionctx/vardef"
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"github.com/pingcap/tidb/pkg/util/mock"
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)
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func benchmarkSortExec(b *testing.B, cas *testutil.SortCase) {
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opt := testutil.MockDataSourceParameters{
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DataSchema: expression.NewSchema(cas.Columns()...),
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Rows: cas.Rows,
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Ctx: cas.Ctx,
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Ndvs: cas.Ndvs,
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}
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dataSource := testutil.BuildMockDataSource(opt)
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executor := &sortexec.SortExec{
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BaseExecutor: exec.NewBaseExecutor(cas.Ctx, dataSource.Schema(), 4, dataSource),
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ByItems: make([]*util.ByItems, 0, len(cas.OrderByIdx)),
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ExecSchema: dataSource.Schema(),
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}
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for _, idx := range cas.OrderByIdx {
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executor.ByItems = append(executor.ByItems, &util.ByItems{Expr: cas.Columns()[idx]})
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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b.StopTimer()
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tmpCtx := context.Background()
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chk := exec.NewFirstChunk(executor)
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dataSource.PrepareChunks()
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b.StartTimer()
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if err := executor.Open(tmpCtx); err != nil {
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b.Fatal(err)
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}
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for {
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if err := executor.Next(tmpCtx, chk); err != nil {
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b.Fatal(err)
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}
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if chk.NumRows() == 0 {
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break
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}
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}
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if err := executor.Close(); err != nil {
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b.Fatal(err)
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}
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b.StopTimer()
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}
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}
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func benchmarkSortExecDerivateCases(b *testing.B, cas *testutil.SortCase) {
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cas.Ndvs = []int{0, 0}
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cas.OrderByIdx = []int{0, 1}
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b.Run(fmt.Sprintf("%v", cas), func(b *testing.B) {
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benchmarkSortExec(b, cas)
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})
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ndvs := []int{1, 10000}
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for _, ndv := range ndvs {
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cas.Ndvs = []int{ndv, 0}
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cas.OrderByIdx = []int{0, 1}
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b.Run(fmt.Sprintf("%v", cas), func(b *testing.B) {
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benchmarkSortExec(b, cas)
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})
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cas.Ndvs = []int{ndv, 0}
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cas.OrderByIdx = []int{0}
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b.Run(fmt.Sprintf("%v", cas), func(b *testing.B) {
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benchmarkSortExec(b, cas)
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})
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cas.Ndvs = []int{ndv, 0}
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cas.OrderByIdx = []int{1}
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b.Run(fmt.Sprintf("%v", cas), func(b *testing.B) {
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benchmarkSortExec(b, cas)
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})
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}
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}
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func BenchmarkSortExec(b *testing.B) {
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b.ReportAllocs()
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cas := testutil.DefaultSortTestCase(mock.NewContext())
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benchmarkSortExecDerivateCases(b, cas)
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}
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func BenchmarkSortExecSpillToDisk(b *testing.B) {
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enableTmpStorageOnOOMCurrentVal := vardef.EnableTmpStorageOnOOM.Load()
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vardef.EnableTmpStorageOnOOM.Store(true)
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defer vardef.EnableTmpStorageOnOOM.Store(enableTmpStorageOnOOMCurrentVal)
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b.ReportAllocs()
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cas := testutil.SortTestCaseWithMemoryLimit(mock.NewContext(), 1)
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benchmarkSortExecDerivateCases(b, cas)
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}
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