arity 是一个合成词,源于如binary (arity=2)、tertiary (arity=3),等等中的后缀,这个字的意思是:一个函式的参数个数。
wiki 的解释:The arity of
a function or operations is the number of arguments or operands that the function takes.
emit发射op;
pool池、thread pool(线程池)、constant pool(常量池)
edge边缘、LoopEdge循环边缘、cutting-edge尖端
Crunchy technical stuff ahead跳过繁琐的技术上的东西?
overhead 开销、runtime overhead
运行时的开销。
primitive:原语,基元, 底层原语,Check termination of this primitive statement.检查一个基本语句单元的结束。
The engine assigns every object a shape(模型) that describes its prototype and properties.