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perf: add a performance benchmark tests
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,158 @@ | ||
| /* | ||
| * MIT License | ||
| * | ||
| * Copyright (c) 2022-2024 Tochemey | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in all | ||
| * copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| package bench | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "math/rand/v2" | ||
| "sync" | ||
| "sync/atomic" | ||
| "time" | ||
|
|
||
| "github.com/tochemey/goakt/v2/actors" | ||
| "github.com/tochemey/goakt/v2/bench/benchmarkpb" | ||
| "github.com/tochemey/goakt/v2/log" | ||
| ) | ||
|
|
||
| const receivingTimeout = 100 * time.Millisecond | ||
|
|
||
| var ( | ||
| totalSent *atomic.Int64 | ||
| totalRecv *atomic.Int64 | ||
| ) | ||
|
|
||
| func init() { | ||
| totalSent = new(atomic.Int64) | ||
| totalRecv = new(atomic.Int64) | ||
| } | ||
|
|
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| // Benchmarker is an actor that helps run benchmark tests | ||
| type Benchmarker struct{} | ||
|
|
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| func (p *Benchmarker) PreStart(context.Context) error { | ||
| return nil | ||
| } | ||
|
|
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| func (p *Benchmarker) Receive(ctx actors.ReceiveContext) { | ||
| switch ctx.Message().(type) { | ||
| case *benchmarkpb.BenchTell: | ||
| totalRecv.Add(1) | ||
| case *benchmarkpb.BenchRequest: | ||
| ctx.Response(&benchmarkpb.BenchResponse{}) | ||
| default: | ||
| ctx.Unhandled() | ||
| } | ||
| } | ||
|
|
||
| func (p *Benchmarker) PostStop(context.Context) error { | ||
| return nil | ||
| } | ||
|
|
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| // Benchmark defines a load testing engine | ||
| type Benchmark struct { | ||
| // actorsCount defines the number of actors to create | ||
| // on each actor system created by the loader | ||
| actorsCount int | ||
| // workersCount define the number of message senders | ||
| workersCount int | ||
| // duration specifies how long the load testing will run | ||
| duration time.Duration | ||
| pids []actors.PID | ||
| system actors.ActorSystem | ||
| } | ||
|
|
||
| // NewBenchmark creates an instance of Loader | ||
| func NewBenchmark(actorsCount, workersCount int, duration time.Duration) *Benchmark { | ||
| return &Benchmark{ | ||
| actorsCount: actorsCount, | ||
| workersCount: workersCount, | ||
| duration: duration, | ||
| pids: make([]actors.PID, 0, actorsCount), | ||
| } | ||
| } | ||
|
|
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| // Start starts the Benchmark | ||
| func (b *Benchmark) Start(ctx context.Context) error { | ||
| // create the benchmark actor system | ||
| name := "benchmark-system" | ||
| b.system, _ = actors.NewActorSystem(name, | ||
| actors.WithLogger(log.DiscardLogger), | ||
| actors.WithActorInitMaxRetries(1), | ||
| actors.WithSupervisorDirective(actors.NewStopDirective()), | ||
| actors.WithReplyTimeout(receivingTimeout)) | ||
|
|
||
| if err := b.system.Start(ctx); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // wait for the actor system to properly start | ||
| time.Sleep(time.Second) | ||
|
|
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| for i := 0; i < b.actorsCount; i++ { | ||
| actorName := fmt.Sprintf("actor-%d", i) | ||
| pid, err := b.system.Spawn(ctx, actorName, &Benchmarker{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| b.pids = append(b.pids, pid) | ||
| } | ||
| // wait for the actors to properly start | ||
| time.Sleep(time.Second) | ||
| return nil | ||
| } | ||
|
|
||
| // Stop stops the benchmark | ||
| func (b *Benchmark) Stop(ctx context.Context) error { | ||
| return b.system.Stop(ctx) | ||
| } | ||
|
|
||
| // Bench sends messages to a random actor | ||
| func (b *Benchmark) Bench(ctx context.Context) error { | ||
| wg := sync.WaitGroup{} | ||
| wg.Add(b.workersCount) | ||
| deadline := time.Now().Add(b.duration) | ||
| for i := 0; i < b.workersCount; i++ { | ||
| go func() { | ||
| defer wg.Done() | ||
| for time.Now().Before(deadline) { | ||
| // randomly pick and actor | ||
| pid := b.pids[rand.IntN(len(b.pids))] //nolint:gosec | ||
| // send a message | ||
| _ = actors.Tell(ctx, pid, new(benchmarkpb.BenchTell)) | ||
| // increase sent counter | ||
| totalSent.Add(1) | ||
| } | ||
| }() | ||
| } | ||
|
|
||
| // wait for the messages to be delivered | ||
| wg.Wait() | ||
| time.Sleep(500 * time.Millisecond) | ||
| if totalSent.Load() != totalRecv.Load() { | ||
| return fmt.Errorf("send count and receive count does not match: %d != %d", totalSent.Load(), totalRecv.Load()) | ||
| } | ||
| return nil | ||
| } |
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