v0.1.4

Performance Improvements

• O(1) len() queries: Added atomic counters for instant pool size queries without locking
• Optimized memory pinning: Redesigned pinning strategy for better performance
• Unchecked shard indexing: Eliminated redundant bounds checks using bitmask guarantees
• Improved preallocate(): Batch allocation and distribution with minimal locking

Enhancements

• Add pinned memory benchmarks
• Enhanced safety documentation with detailed explanations of unsafe usage
• Improved Builder API for pinned_memory configuration

Full Changelog: v0.1.3...v0.1.4