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Computation Requirements: Source to Bytecode vs Bytecode to Machine Code

GWestphal

Golden Member
Where is the majority of compiling computations done? Is the larger percentage of computation spent moving it from source to bytecode or bytecode to machine code?
 
I don't know the answer but I guess it will be in the source -> bytecode transformation. The semantics are richer and more complex. The translation from bytecode to machine code should be much more straightforward, by definition.
 
That was my assumption too, but I guess I'm looking for ballpark percentages on both? It must mostly (maybe 90-99%) be the source to bytecode, since JIT performance is pretty good (see java, python).
 
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