When Stability Improves Performance (Threading)

Short summary

TokenGate is a novel token-managed concurrency system that proves stability and performance can improve together. By routing tokens through weighted core ranges (HEAVY/MEDIUM/LIGHT) and anchoring related operations to the same core for data locality, it achieved 44× concurrent overlap with zero failures and stable 0.386ms average latency. The key insight: performance ceilings are often coordination friction, not capacity limits.

• •Token-based routing by weight class enables fine-grained concurrency control
• •Sticky token anchoring keeps related operations on the same core, improving cache efficiency
• •Maintained stable latency (0.386ms) while achieving 44× concurrent overlap with zero failures

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