@pcwalton Is that mostly due to extra asserts/checks, or genuinely just CPU optimizations?
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@ssylvan Machine-level optimizations. They matter a lot. - 1 more reply
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@pcwalton Is C still a "close to the metal" language when -O0 and -O3 can generate such different machine code?Thanks. Twitter will use this to make your timeline better. UndoUndo
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@pcwalton I would be interested to try 1994's version of -O3 though.Thanks. Twitter will use this to make your timeline better. UndoUndo
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