Re: Questions about code generation

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On 11/28/2010 6:48 PM, richardcavell@xxxxxxxx wrote:

5. When compiling code for a 32-bit x86 target, how does the speed of the generated code compare to that created by Visual C++ from the same source? I know "it depends", but is it generally slower?

Certainly not. "Generally," to me at least, means you can't exclude usefulness of auto-vectorization, control over degree of unrolling, ... and would not imply that you choose options specifically to improve performance on one compiler and reduce it on the other.

--
Tim Prince



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