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When Impressive Performance Gains Do Not Matter
Even dramatic performance improvements — 10x, 50%, or order-of-magnitude gains — can fail to deliver real-world impact due to three non-obvious constraints. First, the attention threshold: if queries still exceed 10 seconds, users context-switch regardless of how much faster they got. Second, discrete capacity thresholds: percentage gains don't matter if you can't cross a whole-unit boundary (e.g., completing two jobs per day instead of one). Third, pipeline backpressure: optimizing one stage in a multi-stage pipeline has zero effect on end-to-end throughput until every bottleneck is resolved. The key lesson is to identify which constraint applies before investing in performance work, and to measure success by whether the improvement crosses the threshold that actually changes behavior.
Nguồn: https://blog.colinbreck.com/when-impressive-performance-gains-do-not-matter. 8sync News chỉ tóm tắt và dẫn link; bản quyền nội dung thuộc tác giả và nguồn gốc.
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