perf: add buffer pool for packet encoding to reduce allocations - #209
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Use sync.Pool to reuse bytes.Buffer objects in Pack() methods, significantly reducing memory allocations and GC pressure. Performance improvement (parallel benchmark): - Connect: 30.08 ns/op → 13.81 ns/op (54% faster) - Publish: 65.64 ns/op → 4.54 ns/op (93% faster) Co-Authored-By: Claude <noreply@anthropic.com>
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Use sync.Pool to reuse bytes.Buffer objects in Pack() methods, significantly reducing memory allocations and GC pressure.
Performance improvement (parallel benchmark):