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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| package buffer_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "math/rand" | ||
| "testing" | ||
|
|
||
| api "github.com/rotationalio/ensign/pkg/api/v1beta1" | ||
| "github.com/rotationalio/ensign/pkg/ensign/buffer" | ||
| "github.com/rotationalio/ensign/pkg/ensign/rlid" | ||
| mimetype "github.com/rotationalio/ensign/pkg/mimetype/v1beta1" | ||
| ) | ||
|
|
||
| func BenchmarkBuffer(b *testing.B) { | ||
| // Setup the benchmark by creating an array of events to enqueue | ||
| ctx := context.Background() | ||
| mkevent := func(seq uint32) *api.Event { | ||
| e := &api.Event{ | ||
| Id: rlid.Make(seq).String(), | ||
| TopicId: rlid.Make(42).String(), | ||
| Mimetype: mimetype.ApplicationJSON, | ||
| Type: &api.Type{ | ||
| Name: "Test Topic", | ||
| Version: 1, | ||
| }, | ||
| Data: make([]byte, 64), | ||
| } | ||
|
|
||
| rand.Read(e.Data) | ||
| return e | ||
| } | ||
|
|
||
| events := make([]*api.Event, 0, 128) | ||
| for i := uint32(0); i < 128; i++ { | ||
| events = append(events, mkevent(i+1)) | ||
| } | ||
|
|
||
| // Benchmark reading and writing to a buffer continuously | ||
| b.Run("Single", func(b *testing.B) { | ||
| // Test with a buffer size of 1 (worst case for ring) | ||
| cbuf := make(buffer.Channel, 1) | ||
| rbuf := buffer.NewRing(1) | ||
| lbuf := buffer.NewLockingRing(1) | ||
|
|
||
| b.Run("Channel", func(b *testing.B) { | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| cbuf.Write(ctx, events[i%128]) | ||
| cbuf.Read(ctx) | ||
| } | ||
| }) | ||
|
|
||
| b.Run("Ring", func(b *testing.B) { | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| rbuf.Write(ctx, events[i%128]) | ||
| rbuf.Read(ctx) | ||
| } | ||
| }) | ||
|
|
||
| b.Run("Locking", func(b *testing.B) { | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| lbuf.Write(ctx, events[i%128]) | ||
| lbuf.Read(ctx) | ||
| } | ||
| }) | ||
| }) | ||
|
|
||
| b.Run("Alternating", func(b *testing.B) { | ||
| // Test with a large buffer size, alternating between reads and writes | ||
| cbuf := make(buffer.Channel, 128) | ||
| rbuf := buffer.NewRing(128) | ||
| lbuf := buffer.NewLockingRing(128) | ||
|
|
||
| b.Run("Channel", func(b *testing.B) { | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| for j := 0; j < 128; j++ { | ||
| cbuf.Write(ctx, events[j]) | ||
| cbuf.Read(ctx) | ||
| } | ||
| } | ||
| }) | ||
|
|
||
| b.Run("Ring", func(b *testing.B) { | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| for j := 0; j < 128; j++ { | ||
| rbuf.Write(ctx, events[j]) | ||
| rbuf.Read(ctx) | ||
| } | ||
| } | ||
| }) | ||
|
|
||
| b.Run("Locking", func(b *testing.B) { | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| for j := 0; j < 128; j++ { | ||
| lbuf.Write(ctx, events[j]) | ||
| lbuf.Read(ctx) | ||
| } | ||
| } | ||
| }) | ||
| }) | ||
|
|
||
| b.Run("FillAndEmpty", func(b *testing.B) { | ||
| // Test with a large buffer size, filling the buffer, then emptying it | ||
| cbuf := make(buffer.Channel, 128) | ||
| rbuf := buffer.NewRing(128) | ||
| lbuf := buffer.NewLockingRing(128) | ||
|
|
||
| b.Run("Channel", func(b *testing.B) { | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| for j := 0; j < 128; j++ { | ||
| cbuf.Write(ctx, events[j]) | ||
| } | ||
|
|
||
| for j := 0; j < 128; j++ { | ||
| cbuf.Read(ctx) | ||
| } | ||
| } | ||
| }) | ||
|
|
||
| b.Run("Ring", func(b *testing.B) { | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| for j := 0; j < 128; j++ { | ||
| rbuf.Write(ctx, events[j]) | ||
| } | ||
|
|
||
| for j := 0; j < 128; j++ { | ||
| rbuf.Read(ctx) | ||
| } | ||
| } | ||
| }) | ||
|
|
||
| b.Run("Locking", func(b *testing.B) { | ||
| b.ResetTimer() | ||
| for i := 0; i < b.N; i++ { | ||
| for j := 0; j < 128; j++ { | ||
| lbuf.Write(ctx, events[j]) | ||
| } | ||
|
|
||
| for j := 0; j < 128; j++ { | ||
| lbuf.Read(ctx) | ||
| } | ||
| } | ||
| }) | ||
| }) | ||
| } |
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