encoder_with_allocator_test.go

Documentation: k8s.io/apimachinery/pkg/runtime/serializer

     1  /*
     2  Copyright 2022 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package serializer
    18  
    19  import (
    20  	"crypto/rand"
    21  	"io/ioutil"
    22  	"testing"
    23  
    24  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    25  	testapigroupv1 "k8s.io/apimachinery/pkg/apis/testapigroup/v1"
    26  	"k8s.io/apimachinery/pkg/runtime"
    27  	"k8s.io/apimachinery/pkg/runtime/schema"
    28  	"k8s.io/apimachinery/pkg/runtime/serializer/protobuf"
    29  )
    30  
    31  func BenchmarkProtobufEncoder(b *testing.B) {
    32  	benchmarkEncodeFor(b, protobuf.NewSerializer(nil, nil))
    33  }
    34  
    35  func BenchmarkProtobufEncodeWithAllocator(b *testing.B) {
    36  	benchmarkEncodeWithAllocatorFor(b, protobuf.NewSerializer(nil, nil))
    37  }
    38  
    39  func BenchmarkRawProtobufEncoder(b *testing.B) {
    40  	benchmarkEncodeFor(b, protobuf.NewRawSerializer(nil, nil))
    41  }
    42  
    43  func BenchmarkRawProtobufEncodeWithAllocator(b *testing.B) {
    44  	benchmarkEncodeWithAllocatorFor(b, protobuf.NewRawSerializer(nil, nil))
    45  }
    46  
    47  func benchmarkEncodeFor(b *testing.B, target runtime.Encoder) {
    48  	for _, tc := range benchTestCases() {
    49  		b.Run(tc.name, func(b *testing.B) {
    50  			b.ReportAllocs()
    51  			for n := 0; n < b.N; n++ {
    52  				err := target.Encode(tc.obj, ioutil.Discard)
    53  				if err != nil {
    54  					b.Fatal(err)
    55  				}
    56  			}
    57  		})
    58  	}
    59  }
    60  
    61  func benchmarkEncodeWithAllocatorFor(b *testing.B, target runtime.EncoderWithAllocator) {
    62  	for _, tc := range benchTestCases() {
    63  		b.Run(tc.name, func(b *testing.B) {
    64  			b.ReportAllocs()
    65  			allocator := &runtime.Allocator{}
    66  			for n := 0; n < b.N; n++ {
    67  				err := target.EncodeWithAllocator(tc.obj, ioutil.Discard, allocator)
    68  				if err != nil {
    69  					b.Fatal(err)
    70  				}
    71  			}
    72  		})
    73  	}
    74  }
    75  
    76  type benchTestCase struct {
    77  	name string
    78  	obj  runtime.Object
    79  }
    80  
    81  func benchTestCases() []benchTestCase {
    82  	return []benchTestCase{
    83  		{
    84  			name: "an obj with 1kB payload",
    85  			obj: func() runtime.Object {
    86  				carpPayload := make([]byte, 1000) // 1 kB
    87  				if _, err := rand.Read(carpPayload); err != nil {
    88  					panic(err)
    89  				}
    90  				return carpWithPayload(carpPayload)
    91  			}(),
    92  		},
    93  		{
    94  			name: "an obj with 10kB payload",
    95  			obj: func() runtime.Object {
    96  				carpPayload := make([]byte, 10000) // 10 kB
    97  				if _, err := rand.Read(carpPayload); err != nil {
    98  					panic(err)
    99  				}
   100  				return carpWithPayload(carpPayload)
   101  			}(),
   102  		},
   103  		{
   104  			name: "an obj with 100kB payload",
   105  			obj: func() runtime.Object {
   106  				carpPayload := make([]byte, 100000) // 100 kB
   107  				if _, err := rand.Read(carpPayload); err != nil {
   108  					panic(err)
   109  				}
   110  				return carpWithPayload(carpPayload)
   111  			}(),
   112  		},
   113  		{
   114  			name: "an obj with 1MB payload",
   115  			obj: func() runtime.Object {
   116  				carpPayload := make([]byte, 1000000) // 1 MB
   117  				if _, err := rand.Read(carpPayload); err != nil {
   118  					panic(err)
   119  				}
   120  				return carpWithPayload(carpPayload)
   121  			}(),
   122  		},
   123  	}
   124  }
   125  
   126  func carpWithPayload(carpPayload []byte) *testapigroupv1.Carp {
   127  	gvk := &schema.GroupVersionKind{Group: "group", Version: "version", Kind: "Carp"}
   128  	return &testapigroupv1.Carp{
   129  		TypeMeta: metav1.TypeMeta{APIVersion: gvk.GroupVersion().String(), Kind: gvk.Kind},
   130  		ObjectMeta: metav1.ObjectMeta{
   131  			Name:      "name",
   132  			Namespace: "namespace",
   133  		},
   134  		Spec: testapigroupv1.CarpSpec{
   135  			Subdomain:    "carp.k8s.io",
   136  			NodeSelector: map[string]string{"payload": string(carpPayload)},
   137  		},
   138  	}
   139  }
   140
View as plain text