|
| 1 | +package branch |
| 2 | + |
| 3 | +import ( |
| 4 | + "fmt" |
| 5 | + "testing" |
| 6 | + |
| 7 | + "cosmossdk.io/core/store" |
| 8 | + coretesting "cosmossdk.io/core/testing" |
| 9 | +) |
| 10 | + |
| 11 | +var ( |
| 12 | + stackSizes = []int{1, 10, 100} |
| 13 | + elemsInStack = 10 |
| 14 | +) |
| 15 | + |
| 16 | +func Benchmark_CacheStack_Set(b *testing.B) { |
| 17 | + for _, stackSize := range stackSizes { |
| 18 | + b.Run(fmt.Sprintf("StackSize%d", stackSize), func(b *testing.B) { |
| 19 | + bs := makeBranchStack(b, stackSize) |
| 20 | + b.ResetTimer() |
| 21 | + b.ReportAllocs() |
| 22 | + for i := 0; i < b.N; i++ { |
| 23 | + _ = bs.Set([]byte{0}, []byte{0}) |
| 24 | + } |
| 25 | + }) |
| 26 | + } |
| 27 | +} |
| 28 | + |
| 29 | +func Benchmark_Get(b *testing.B) { |
| 30 | + for _, stackSize := range stackSizes { |
| 31 | + b.Run(fmt.Sprintf("StackSize%d", stackSize), func(b *testing.B) { |
| 32 | + bs := makeBranchStack(b, stackSize) |
| 33 | + b.ResetTimer() |
| 34 | + b.ReportAllocs() |
| 35 | + for i := 0; i < b.N; i++ { |
| 36 | + _, _ = bs.Get([]byte{0}) |
| 37 | + } |
| 38 | + }) |
| 39 | + } |
| 40 | +} |
| 41 | + |
| 42 | +func Benchmark_Iterate(b *testing.B) { |
| 43 | + var keySink, valueSink any |
| 44 | + |
| 45 | + for _, stackSize := range stackSizes { |
| 46 | + b.Run(fmt.Sprintf("StackSize%d", stackSize), func(b *testing.B) { |
| 47 | + bs := makeBranchStack(b, stackSize) |
| 48 | + b.ResetTimer() |
| 49 | + b.ReportAllocs() |
| 50 | + for i := 0; i < b.N; i++ { |
| 51 | + iter, _ := bs.Iterator(nil, nil) |
| 52 | + for iter.Valid() { |
| 53 | + keySink = iter.Key() |
| 54 | + valueSink = iter.Value() |
| 55 | + iter.Next() |
| 56 | + } |
| 57 | + _ = iter.Close() |
| 58 | + } |
| 59 | + }) |
| 60 | + } |
| 61 | + |
| 62 | + _ = keySink |
| 63 | + _ = valueSink |
| 64 | +} |
| 65 | + |
| 66 | +// makeBranchStack creates a branch stack of the given size and initializes it with unique key-value pairs. |
| 67 | +func makeBranchStack(b *testing.B, stackSize int) Store[store.KVStore] { |
| 68 | + parent := coretesting.NewMemKV() |
| 69 | + branch := NewStore[store.KVStore](parent) |
| 70 | + for i := 1; i < stackSize; i++ { |
| 71 | + branch = NewStore[store.KVStore](branch) |
| 72 | + for j := 0; j < elemsInStack; j++ { |
| 73 | + // create unique keys by including the branch index. |
| 74 | + key := []byte{byte(i), byte(j)} |
| 75 | + value := []byte{byte(j)} |
| 76 | + err := branch.Set(key, value) |
| 77 | + if err != nil { |
| 78 | + b.Fatal(err) |
| 79 | + } |
| 80 | + } |
| 81 | + } |
| 82 | + return branch |
| 83 | +} |
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