Module parallel_optimized 

Optimized Parallel Execution Components

This module provides high-performance parallel execution optimizations including:

• Lock-free work-stealing queues
• Cache-friendly hash join algorithms
• Memory pooling for reduced allocations
• SIMD-optimized bulk operations

Structs

CacheFriendlyHashJoin

Cache-friendly hash join implementation with radix partitioning

CacheFriendlyStorage

Cache-friendly data structures for intermediate results

LockFreeWorkStealingQueue

Lock-free work-stealing deque for high-performance parallel execution

MemoryPool

Memory pool for efficient allocation of frequently used objects

PooledObject

RAII wrapper for pooled objects

SIMDOptimizedOps

SIMD-optimized bulk operations

SortMergeJoin

Sort-merge join implementation optimized for memory efficiency