perf: eliminate frame write fragmentation and optimize buffer management #111
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- Replace write_vectored with single-buffer writes to avoid fragmentation - Optimize buffer allocation patterns for small/large frames - Improve masking performance with 64-bit operations and better alignment - Add fast-mode constructor with performance-optimized defaults - Reduce unnecessary buffering in read path for large payloads Addresses feedback about performance parity with simpler WebSocket implementations. Eliminates the main performance bottlenecks: header/payload fragmentation, excessive buffering, and suboptimal memory access patterns.
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Addresses feedback about performance parity with simpler WebSocket implementations. Eliminates the main performance bottlenecks: header/payload fragmentation, excessive buffering, and suboptimal memory access patterns.