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Author	SHA1	Message	Date
Joseph Doherty	11e01b9026	perf: optimize MQTT cross-protocol path (0.30x → 0.78x Go) Replace per-message async fire-and-forget with direct-buffer write loop mirroring NatsClient pattern: SpinLock-guarded buffer append, double- buffer swap, single WriteAsync per batch. - MqttConnection: add _directBuf/_writeBuf + RunMqttWriteLoopAsync - MqttConnection: add EnqueuePublishNoFlush (zero-alloc PUBLISH format) - MqttPacketWriter: add WritePublishTo(Span<byte>) + MeasurePublish - MqttTopicMapper: add NatsToMqttBytes with bounded ConcurrentDictionary - MqttNatsClientAdapter: synchronous SendMessageNoFlush + SignalFlush - Skip FlushAsync on plain TCP sockets (TCP auto-flushes)	2026-03-13 14:25:13 -04:00
Joseph Doherty	37575dc41c	feat: add benchmark test project for Go vs .NET server comparison Side-by-side performance benchmarks using NATS.Client.Core against both servers on ephemeral ports. Includes core pub/sub, request/reply latency, and JetStream throughput tests with comparison output and benchmarks_comparison.md results. Also fixes timestamp flakiness in StoreInterfaceTests by using explicit timestamps.	2026-03-13 01:23:31 -04:00

Author

SHA1

Message

Date

Joseph Doherty

11e01b9026

perf: optimize MQTT cross-protocol path (0.30x → 0.78x Go)

Replace per-message async fire-and-forget with direct-buffer write loop
mirroring NatsClient pattern: SpinLock-guarded buffer append, double-
buffer swap, single WriteAsync per batch.

- MqttConnection: add _directBuf/_writeBuf + RunMqttWriteLoopAsync
- MqttConnection: add EnqueuePublishNoFlush (zero-alloc PUBLISH format)
- MqttPacketWriter: add WritePublishTo(Span<byte>) + MeasurePublish
- MqttTopicMapper: add NatsToMqttBytes with bounded ConcurrentDictionary
- MqttNatsClientAdapter: synchronous SendMessageNoFlush + SignalFlush
- Skip FlushAsync on plain TCP sockets (TCP auto-flushes)

2026-03-13 14:25:13 -04:00

Joseph Doherty

37575dc41c

feat: add benchmark test project for Go vs .NET server comparison

Side-by-side performance benchmarks using NATS.Client.Core against both
servers on ephemeral ports. Includes core pub/sub, request/reply latency,
and JetStream throughput tests with comparison output and
benchmarks_comparison.md results. Also fixes timestamp flakiness in
StoreInterfaceTests by using explicit timestamps.

2026-03-13 01:23:31 -04:00

2 Commits