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  2. Multithreading (computer architecture) - Wikipedia

    en.wikipedia.org/wiki/Multithreading_(computer...

    A process with two threads of execution, running on a single processor . In computer architecture, multithreading is the ability of a central processing unit (CPU) (or a single core in a multi-core processor) to provide multiple threads of execution.

  3. Simultaneous multithreading - Wikipedia

    en.wikipedia.org/wiki/Simultaneous_multithreading

    Simultaneous multithreading (SMT): Issue multiple instructions from multiple threads in one cycle. The processor must be superscalar to do so. Chip-level multiprocessing (CMP or multicore): integrates two or more processors into one chip, each executing threads independently. Any combination of multithreaded/SMT/CMP.

  4. Single instruction, multiple threads - Wikipedia

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

    For instance, to handle an IF-ELSE block where various threads of a processor execute different paths, all threads must actually process both paths (as all threads of a processor always execute in lock-step), but masking is used to disable and enable the various threads as appropriate. Masking is avoided when control flow is coherent for the ...

  5. Hyper-threading - Wikipedia

    en.wikipedia.org/wiki/Hyper-threading

    A processor stalls when it must wait for data it has requested, in order to finish processing the present thread. The degree of benefit seen when using a hyper-threaded, or multi-core, processor depends on the needs of the software, and how well it and the operating system are written to manage the processor efficiently. [8]

  6. Thread (computing) - Wikipedia

    en.wikipedia.org/wiki/Thread_(computing)

    A process with two threads of execution, running on one processor Program vs. Process vs. Thread Scheduling, Preemption, Context Switching. In computer science, a thread of execution is the smallest sequence of programmed instructions that can be managed independently by a scheduler, which is typically a part of the operating system. [1]

  7. Multi-core processor - Wikipedia

    en.wikipedia.org/wiki/Multi-core_processor

    Diagram of a generic dual-core processor with CPU-local level-1 caches and a shared, on-die level-2 cache An Intel Core 2 Duo E6750 dual-core processor An AMD Athlon X2 6400+ dual-core processor. A multi-core processor (MCP) is a microprocessor on a single integrated circuit (IC) with two or more separate central processing units (CPUs), called ...

  8. UltraSPARC T1 - Wikipedia

    en.wikipedia.org/wiki/UltraSPARC_T1

    The T4 CPU was released in late 2011. The new T4 CPU will drop from 16 cores (on the T3) back to 8 cores (as used on the T1, T2, and T2+). The new T4 core design (named "S3") feature improved per-thread performance, due to introduction of out-of-order execution, as well as having additional improved performance for single-threaded programs. [25 ...

  9. SPARC T5 - Wikipedia

    en.wikipedia.org/wiki/SPARC_T5

    The processor is designed to offer high multithreaded performance (16 cores per chip, with 8 threads per core), as well as high single threaded performance from the same chip. [4] The processor uses the same SPARC S3 core design as its predecessor, the SPARC T4 processor, but is implemented in a 28 nm process and runs at 3.6 GHz. [5]