An Overview of Intel's MMX Technology
Is all this worth the trouble? The answer to this question depends on the importance you give to speed. Comparing the MMX example program to a pure C language version, the speed improvements speak for themselves. The MMX routine is roughly 14 times faster than the C version (Listing 2 in the archive file) when compiled with no optimizations and about five times faster when full -O2 optimizations are enabled. Of course, you will lose portability and will probably have a harder time writing and debugging assembly language code. Life's full of tough choices, isn't it?
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Pick up any e-commerce web or mobile app today, and you’ll be holding a mashup of interconnected applications and services from a variety of different providers. For instance, when you connect to Amazon’s e-commerce app, cookies, tags and pixels that are monitored by solutions like Exact Target, BazaarVoice, Bing, Shopzilla, Liveramp and Google Tag Manager track every action you take. You’re presented with special offers and coupons based on your viewing and buying patterns. If you find something you want for your birthday, a third party manages your wish list, which you can share through multiple social- media outlets or email to a friend. When you select something to buy, you find yourself presented with similar items as kind suggestions. And when you finally check out, you’re offered the ability to pay with promo codes, gifts cards, PayPal or a variety of credit cards.Get the Guide