The x32 system call ABI
Posted Sep 1, 2011 4:24 UTC (Thu) by jzbiciak
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In reply to: The x32 system call ABI
Parent article: The x32 system call ABI
Further down the page is this note:
The current x32 implementation isn't optimized:
Atom LEA optimization is disabled.
Memory addressing should be optimized.
So, that presumably accounts for why 181.mcf slowed down 0.5% to 1% relative to normal 32-bit x86.
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