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The x86 instruction set has several times been extended with SIMD (Single instruction, multiple data) instruction set extensions.These extensions, starting from the MMX instruction set extension introduced with Pentium MMX in 1997, typically define sets of wide registers and instructions that subdivide these registers into fixed-size lanes and perform a computation for each lane in parallel.
Single instruction, multiple data. Single instruction, multiple data (SIMD) is a type of parallel processing in Flynn's taxonomy.SIMD can be internal (part of the hardware design) and it can be directly accessible through an instruction set architecture (ISA), but it should not be confused with an ISA.
AMD was the first to introduce the instructions that now form Intel's BMI1 as part of its ABM (Advanced Bit Manipulation) instruction set, then later added support for Intel's new BMI2 instructions. AMD today advertises the availability of these features via Intel's BMI1 and BMI2 cpuflags and instructs programmers to target them accordingly. [2]
Below is the full 8086/8088 instruction set of Intel (81 instructions total). [2] These instructions are also available in 32-bit mode, in which they operate on 32-bit registers (eax, ebx, etc.) and values instead of their 16-bit (ax, bx, etc.) counterparts.
SSE contains 70 new instructions (65 unique mnemonics [1] using 70 encodings), most of which work on single precision floating-point data. SIMD instructions can greatly increase performance when exactly the same operations are to be performed on multiple data objects. Typical applications are digital signal processing and graphics processing.
1 pork loin roast (3-1/2 pounds) 8 green onions, chopped. 2 tablespoons butter. 1/4 cup brown gravy mix. 2-1/2 cups beef broth. 1-1/4 cups sour cream. 2 tablespoons prepared horseradish.
1. In a microwave-safe bowl, cover the shiitake with water and microwave at high power for 2 minutes. Let stand until plump, about 10 minutes. Drain, rinse and pat dry. Thinly slice the mushrooms ...
Salmon En Croute. A cheesy, garlicky, spinach mixture is the perfect balance to a tender salmon fillet. Everything is nestled together in the puff pastry dough, and after 20 minutes in the oven ...