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c++ Programming Glossary: mmword

Why is one loop so much slower than two loops?

http://stackoverflow.com/questions/8547778/why-is-one-loop-so-much-slower-than-two-loops

repeated about five times in the full program movsd xmm0 mmword ptr edx 18h addsd xmm0 mmword ptr ecx 20h movsd mmword ptr ecx.. the full program movsd xmm0 mmword ptr edx 18h addsd xmm0 mmword ptr ecx 20h movsd mmword ptr ecx 20h xmm0 movsd xmm0 mmword.. mmword ptr edx 18h addsd xmm0 mmword ptr ecx 20h movsd mmword ptr ecx 20h xmm0 movsd xmm0 mmword ptr esi 10h addsd xmm0 mmword..