- • New memory allocator similar to jemalloc
- • Faster hashtable iteration API
- • Array duplication optimization
- • PCRE JIT enabled by default
- • Precomputed string hashes
- • Fast ZPP (ZendParseParameters) implementation
- • Faster stack-allocated zvals (instead of heap)
- • Optimized VM calling
- • Global register variables with gcc 4.8+
- • plus hundreds of micro-optimizations
