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feat(stf/branch): simplify merged iterator (#22131)
Co-authored-by: marbar3778 <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package branch | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "testing" | ||
|
|
||
| "cosmossdk.io/core/store" | ||
| coretesting "cosmossdk.io/core/testing" | ||
| ) | ||
|
|
||
| var ( | ||
| stackSizes = []int{1, 10, 100} | ||
| elemsInStack = 10 | ||
| ) | ||
|
|
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| func Benchmark_CacheStack_Set(b *testing.B) { | ||
| for _, stackSize := range stackSizes { | ||
| b.Run(fmt.Sprintf("StackSize%d", stackSize), func(b *testing.B) { | ||
| bs := makeBranchStack(b, stackSize) | ||
| b.ResetTimer() | ||
| b.ReportAllocs() | ||
| for i := 0; i < b.N; i++ { | ||
| _ = bs.Set([]byte{0}, []byte{0}) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
||
| func Benchmark_Get(b *testing.B) { | ||
| for _, stackSize := range stackSizes { | ||
| b.Run(fmt.Sprintf("StackSize%d", stackSize), func(b *testing.B) { | ||
| bs := makeBranchStack(b, stackSize) | ||
| b.ResetTimer() | ||
| b.ReportAllocs() | ||
| for i := 0; i < b.N; i++ { | ||
| _, _ = bs.Get([]byte{0}) | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
|
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| func Benchmark_Iterate(b *testing.B) { | ||
| var keySink, valueSink any | ||
|
|
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| for _, stackSize := range stackSizes { | ||
| b.Run(fmt.Sprintf("StackSize%d", stackSize), func(b *testing.B) { | ||
| bs := makeBranchStack(b, stackSize) | ||
| b.ResetTimer() | ||
| b.ReportAllocs() | ||
| for i := 0; i < b.N; i++ { | ||
| iter, _ := bs.Iterator(nil, nil) | ||
| for iter.Valid() { | ||
| keySink = iter.Key() | ||
| valueSink = iter.Value() | ||
| iter.Next() | ||
| } | ||
| _ = iter.Close() | ||
| } | ||
| }) | ||
| } | ||
|
|
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| _ = keySink | ||
| _ = valueSink | ||
| } | ||
|
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| // makeBranchStack creates a branch stack of the given size and initializes it with unique key-value pairs. | ||
| func makeBranchStack(b *testing.B, stackSize int) Store[store.KVStore] { | ||
| parent := coretesting.NewMemKV() | ||
| branch := NewStore[store.KVStore](parent) | ||
| for i := 1; i < stackSize; i++ { | ||
| branch = NewStore[store.KVStore](branch) | ||
| for j := 0; j < elemsInStack; j++ { | ||
| // create unique keys by including the branch index. | ||
| key := []byte{byte(i), byte(j)} | ||
| value := []byte{byte(j)} | ||
| err := branch.Set(key, value) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| } | ||
| } | ||
| return branch | ||
| } |
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