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  2. Cycle stealing - Wikipedia

    en.wikipedia.org/wiki/Cycle_stealing

    Using RAM that was running twice as fast as the CPU clock allowed a second system to interleave its accesses between the CPUs by timing themselves on every other clock cycle. This was widely used for updating the display using main memory as a framebuffer. Common RAM of the late 1970s ran at 2 MHz, so most machines had a CPU running around 1 MHz.

  3. SpeedStep - Wikipedia

    en.wikipedia.org/wiki/SpeedStep

    Running a processor at high clock speeds allows for better performance. However, when the same processor is run at a lower frequency (speed), it generates less heat and consumes less power. In many cases, the core voltage can also be reduced, further reducing power consumption and heat generation. By using SpeedStep, users can select the ...

  4. Clock rate - Wikipedia

    en.wikipedia.org/wiki/Clock_rate

    For example, an IBM PC with an Intel 80486 CPU running at 50 MHz will be about twice as fast (internally only) as one with the same CPU and memory running at 25 MHz, while the same will not be true for MIPS R4000 running at the same clock rate as the two are different processors that implement different architectures and microarchitectures ...

  5. Clock drift - Wikipedia

    en.wikipedia.org/wiki/Clock_drift

    If the OS timer and the CPU run on two independent clock crystals the situation is ideal and more or less the same as the previous example. But even if they both use the same clock crystal the process /program that does the clock drift measurement is "disturbed" by many more or less unpredictable events in the CPU such as interrupts and other ...

  6. List of PowerPC processors - Wikipedia

    en.wikipedia.org/wiki/List_of_PowerPC_processors

    Kilocore 1025: a CPU with a single PowerPC core and 1024 processing element (8 bit, 125 MHz) cores (unreleased). This CPU is designed for running security and multimedia applications (with parallel processing) on portable game devices and media players.

  7. CPU multiplier - Wikipedia

    en.wikipedia.org/wiki/CPU_multiplier

    In PCs, the CPU's external address and data buses connect the CPU to the rest of the system via the "northbridge". Nearly every desktop CPU produced since the introduction of the 486DX2 in 1992 has employed a clock multiplier to run its internal logic at a higher frequency than its external bus, but still remain synchronous with it. This ...

  8. How innovation died at Intel: America's only leading-edge ...

    www.aol.com/finance/innovation-died-intel-faces...

    Intel's fall from grace seemed to happen all at once.Shares of the once iconic chipmaker plummeted 60% in 2024. The company posted the biggest loss in its 56-year history in its latest quarterly ...

  9. CPU time - Wikipedia

    en.wikipedia.org/wiki/CPU_time

    CPU time (or process time) is the amount of time that a central processing unit (CPU) was used for processing instructions of a computer program or operating system. CPU time is measured in clock ticks or seconds. Sometimes it is useful to convert CPU time into a percentage of the CPU capacity, giving the CPU usage.