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  2. Single instruction, multiple data - Wikipedia

    en.wikipedia.org/wiki/Single_instruction...

    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.

  3. x86 SIMD instruction listings - Wikipedia

    en.wikipedia.org/wiki/X86_SIMD_instruction_listings

    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.

  4. Single instruction, multiple threads - Wikipedia

    en.wikipedia.org/wiki/Single_instruction...

    The simplest way to understand SIMT is to imagine a multi-core system, where each core has its own register file, its own ALUs (both SIMD and Scalar) and its own data cache, but that unlike a standard multi-core system which has multiple independent instruction caches and decoders, as well as multiple independent Program Counter registers, the ...

  5. Instruction set architecture - Wikipedia

    en.wikipedia.org/wiki/Instruction_set_architecture

    SIMD instruction s, a single instruction performing an operation on many homogeneous values in parallel, possibly in dedicated SIMD registers; performing an atomic test-and-set instruction or other read–modify–write atomic instruction; instructions that perform ALU operations with an operand from memory rather than a register

  6. x86 instruction listings - Wikipedia

    en.wikipedia.org/wiki/X86_instruction_listings

    existing instructions extended to a 64 bit operand size (remaining instructions) Most instructions with a 64 bit operand size encode this using a REX.W prefix; in the absence of the REX.W prefix, the corresponding instruction with 32 bit operand size is encoded. This mechanism also applies to most other instructions with 32 bit operand size.

  7. Streaming SIMD Extensions - Wikipedia

    en.wikipedia.org/wiki/Streaming_SIMD_Extensions

    MMX had two main problems: it re-used existing x87 floating-point registers making the CPUs unable to work on both floating-point and SIMD data at the same time, and it only worked on integers. SSE floating-point instructions operate on a new independent register set, the XMM registers, and adds a few integer instructions that work on MMX ...

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  9. SSE4 - Wikipedia

    en.wikipedia.org/wiki/SSE4

    SSE4 (Streaming SIMD Extensions 4) is a SIMD CPU instruction set used in the Intel Core microarchitecture and AMD K10 (K8L).It was announced on September 27, 2006, at the Fall 2006 Intel Developer Forum, with vague details in a white paper; [1] more precise details of 47 instructions became available at the Spring 2007 Intel Developer Forum in Beijing, in the presentation. [2]