github.com/weaviate/weaviate@v1.24.6/adapters/repos/db/lsmkv/strategies_map_benchmark_test.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  package lsmkv
    13  
    14  import (
    15  	"crypto/rand"
    16  	"testing"
    17  
    18  	"github.com/stretchr/testify/assert"
    19  	"github.com/stretchr/testify/require"
    20  )
    21  
    22  func BenchmarkMapDecoderDoPartial_SingleKey(b *testing.B) {
    23  	before := []MapPair{{
    24  		Key:   []byte("my-key-1"),
    25  		Value: []byte("my-value-1"),
    26  	}}
    27  
    28  	encoded, err := newMapEncoder().DoMulti(before)
    29  	require.Nil(b, err)
    30  
    31  	md := newMapDecoder()
    32  
    33  	b.ReportAllocs()
    34  
    35  	for i := 0; i < b.N; i++ {
    36  		md.DoPartial(encoded)
    37  	}
    38  }
    39  
    40  func BenchmarkMapPairFromBytes(b *testing.B) {
    41  	before := MapPair{
    42  		Key:   []byte("my-key-1"),
    43  		Value: make([]byte, 24*1024),
    44  	}
    45  
    46  	rand.Read(before.Value)
    47  
    48  	encoded, err := before.Bytes()
    49  	require.Nil(b, err)
    50  
    51  	b.ReportAllocs()
    52  
    53  	target := MapPair{}
    54  
    55  	for i := 0; i < b.N; i++ {
    56  		target.FromBytes(encoded, false)
    57  	}
    58  }
    59  
    60  func BenchmarkMapPairFromBytesReusable_Fits(b *testing.B) {
    61  	before := MapPair{
    62  		Key:   []byte("my-key-1"),
    63  		Value: make([]byte, 24*1024),
    64  	}
    65  
    66  	rand.Read(before.Value)
    67  
    68  	encoded, err := before.Bytes()
    69  	require.Nil(b, err)
    70  
    71  	target := MapPair{
    72  		Key:   make([]byte, 8),
    73  		Value: make([]byte, 24*1024),
    74  	}
    75  
    76  	b.ReportAllocs()
    77  
    78  	for i := 0; i < b.N; i++ {
    79  		err := target.FromBytesReusable(encoded, false)
    80  		require.Nil(b, err)
    81  	}
    82  
    83  	assert.Equal(b, before.Key, target.Key)
    84  	assert.Equal(b, before.Value, target.Value)
    85  }
    86  
    87  func BenchmarkMapPairFromBytesReusable_BuffersTooLarge(b *testing.B) {
    88  	before := MapPair{
    89  		Key:   []byte("my-key-1"),
    90  		Value: make([]byte, 24*1024),
    91  	}
    92  
    93  	rand.Read(before.Value)
    94  
    95  	encoded, err := before.Bytes()
    96  	require.Nil(b, err)
    97  
    98  	target := MapPair{
    99  		Key:   make([]byte, 100),
   100  		Value: make([]byte, 100*1024),
   101  	}
   102  
   103  	b.ReportAllocs()
   104  
   105  	for i := 0; i < b.N; i++ {
   106  		err := target.FromBytesReusable(encoded, false)
   107  		require.Nil(b, err)
   108  	}
   109  
   110  	assert.Equal(b, before.Key, target.Key)
   111  	assert.Equal(b, before.Value, target.Value)
   112  }
   113  
   114  func BenchmarkMapPairFromBytesReusable_BuffersTooSmall(b *testing.B) {
   115  	before := MapPair{
   116  		Key:   []byte("my-key-1"),
   117  		Value: make([]byte, 24*1024),
   118  	}
   119  
   120  	rand.Read(before.Value)
   121  
   122  	encoded, err := before.Bytes()
   123  	require.Nil(b, err)
   124  
   125  	target := MapPair{
   126  		Key:   make([]byte, 1),
   127  		Value: make([]byte, 1*1024),
   128  	}
   129  
   130  	b.ReportAllocs()
   131  
   132  	for i := 0; i < b.N; i++ {
   133  		err := target.FromBytesReusable(encoded, false)
   134  		require.Nil(b, err)
   135  	}
   136  
   137  	assert.Equal(b, before.Key, target.Key)
   138  	assert.Equal(b, before.Value, target.Value)
   139  }