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// Copyright 2021 The Swarm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package epochs_test
import (
"context"
"fmt"
"testing"
"github.com/ethersphere/bee/pkg/crypto"
"github.com/ethersphere/bee/pkg/feeds"
"github.com/ethersphere/bee/pkg/feeds/epochs"
feedstesting "github.com/ethersphere/bee/pkg/feeds/testing"
"github.com/ethersphere/bee/pkg/storage/mock"
)
func BenchmarkFinder(b *testing.B) {
for _, i := range []int{0, 8, 30} {
for _, prefill := range []int64{1, 50} {
after := int64(50)
storer := &feedstesting.Timeout{Storer: mock.NewStorer()}
topicStr := "testtopic"
topic, err := crypto.LegacyKeccak256([]byte(topicStr))
if err != nil {
b.Fatal(err)
}
pk, _ := crypto.GenerateSecp256k1Key()
signer := crypto.NewDefaultSigner(pk)
updater, err := epochs.NewUpdater(storer, signer, topic)
if err != nil {
b.Fatal(err)
}
payload := []byte("payload")
ctx := context.Background()
for at := int64(0); at < prefill; at++ {
err = updater.Update(ctx, at, payload)
if err != nil {
b.Fatal(err)
}
}
latest := after + (1 << i)
err = updater.Update(ctx, latest, payload)
if err != nil {
b.Fatal(err)
}
for _, j := range []int64{0, 8, 30} {
now := latest + 1<<j
for k, finder := range []feeds.Lookup{
epochs.NewFinder(storer, updater.Feed()),
epochs.NewAsyncFinder(storer, updater.Feed()),
} {
names := []string{"sync", "async"}
b.Run(fmt.Sprintf("%s:prefill=%d, latest=%d, now=%d", names[k], prefill, latest, now), func(b *testing.B) {
for n := 0; n < b.N; n++ {
_, _, _, err := finder.At(ctx, now, after)
if err != nil {
b.Fatal(err)
}
}
})
}
}
}
}
}