OP was ambiguous, he means that the article "The Cost of Enabling Exception Handling" that was linked only applies to Windows x86, not to Windows AMD64 or the I

OP was ambiguous, he means that the article "The Cost of Enabling Exception Handling" that was linked only applies to Windows x86, not to Windows AMD64 or the Itanium ABI. The Itanium ABI and 64-bit Windows have near-zero cost when exceptions aren't thrown.