Explores three approaches to preserve order in concurrent Go applications while maintaining performance benefits. Compares ReplyTo channels, sync.Cond turn-taking, and permission passing chain patterns through detailed benchmarks. The permission passing approach emerges as the winner, offering good performance with zero

20m read timeFrom destel.dev
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When Order MattersThe Problem: Why Concurrency Breaks OrderDesign Philosophy: Backpressure vs BufferingEstablishing a Performance BaselineApproach 1: ReplyTo ChannelsApproach 2: sync.Cond for Turn-TakingApproach 3: Permission Passing ChainApproach 3a: Zero-Allocation Permission Passing ChainOne more thing: Building Reusable AbstractionsPerformance ComparisonKey TakeawaysPlayground Links:
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