COMPILER · JIT For PHP7 · Require Gcc 4.8 +(Global Register) · X86-32/64 Supported · Using Dynasm To Emitting Machine Codes(Mcode)[2] · Already Opened Source[3] BRAND NEW WAY Compiler JIT Type Inference opcache.jit=1 2 0 5 Use AVX JIT Strategy Register alloc JIT Level 0: JIT functions on load 1: JIT functions on execute 2: JIT most frequently called functions on first requrest 3: JIT functions functions after N calls or loop iterations 4: JIT functions with @jit annotation 0: JIT off 1: Minimal optimization 2: Basic optimization 3: optimize based on type-inference 4: optimize based on type-Inference

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decoded = tokens[:1] # PERF(vytas): Do not copy list: a simple bool flag is fastest on PyPy JIT. skip = True for token in tokens: if skip: skip = False continue

decoded = tokens[:1] # PERF(vytas): Do not copy list: a simple bool flag is fastest on PyPy JIT. skip = True for token in tokens: if skip: skip = False continue

decoded = tokens[:1] # PERF(vytas): Do not copy list: a simple bool flag is fastest on PyPy JIT. skip = True for token in tokens: if skip: skip = False continue

decoded = tokens[:1] # PERF(vytas): Do not copy list: a simple bool flag is fastest on PyPy JIT. skip = True for token in tokens: if skip: skip = False continue