CPU modes (also called processor modes, CPU states, CPU privilege levels and other names) are operating modes for the central processing unit of most...
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Central processing unit (redirect from Cpu)
components. Modern CPUs devote a lot of semiconductor area to caches and instruction-level parallelism to increase performance and to CPU modes to support operating...
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Protection ring (redirect from Supervisor mode)
system. This is generally hardware-enforced by some CPU architectures that provide different CPU modes at the hardware or microcode level. Rings are arranged...
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ARM architecture family (section CPU modes)
several CPU modes, depending on the implemented architecture features. At any moment in time, the CPU can be in only one mode, but it can switch modes due...
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inaccessible to other operating modes of the CPU by the firmware. System Management Mode can address up to 4 GB memory as huge real mode. In x86-64 processors,...
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In computer hardware, a CPU socket or CPU slot contains one or more mechanical components providing mechanical and electrical connections between a microprocessor...
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User space and kernel space (redirect from User mode)
a user mode separate from kernel mode involves operating system protection rings. Protection rings, in turn, are implemented using CPU modes. Typically...
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Real mode, also called real address mode, is an operating mode of all x86-compatible CPUs. The mode gets its name from the fact that addresses in real...
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Programmed input–output (redirect from PIO Mode)
configure the ATA controller for optimal performance. The PIO modes require a great deal of CPU overhead to configure a data transaction and transfer the...
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X86-64 (redirect from 64-bit compatibility mode)
WoW64 emulation mode. Managed applications can be compiled either in IA-32, x86-64 or AnyCPU modes. Software created in the first two modes behave like their...
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X86 (redirect from X86-based CPU)
designs since the CPU can forgo the complicated decode step of more traditional x86 implementations. Addressing modes for 16-bit processor modes can be summarized...
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List of AMD Ryzen processors (redirect from List of AMD Ryzen CPUs)
Common features of Ryzen 1000 desktop CPUs: Socket: AM4. All the CPUs support DDR4-2666 in dual-channel mode. All the CPUs support 24 PCIe 3.0 lanes. 4 of the...
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Direct memory access (redirect from Burst mode DMA)
systems in which the CPU should not be disabled for the length of time needed for burst transfer modes. In the cycle stealing mode, the DMA controller...
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Addressing modes are an aspect of the instruction set architecture in most central processing unit (CPU) designs. The various addressing modes that are...
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inter-process communication (IPC). If the hardware provides multiple rings or CPU modes, the microkernel may be the only software executing at the most privileged...
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low-power (idle) mode. The CPU time is measured in clock ticks or seconds. Often, it is useful to measure CPU time as a percentage of the CPU's capacity, which...
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computing, protected mode, also called protected virtual address mode, is an operational mode of x86-compatible central processing units (CPUs). It allows system...
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run in real mode. After execution passes to an operating system kernel which supports x86-64, the kernel verifies CPU support for long mode and then executes...
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Thermal design power (redirect from Average CPU power)
maximum amount of heat generated by a computer chip or component (often a CPU, GPU or system on a chip) that the cooling system in a computer is designed...
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Context switch (redirect from Mode switch)
central processing unit (CPU), and is an essential feature of a multiprogramming or multitasking operating system. In a traditional CPU, each process - a program...
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Processor register (redirect from CPU register)
instruction, as defined by the instruction set. However, modern high-performance CPUs often have duplicates of these "architectural registers" in order to improve...
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Balloon Pop (section VS CPU)
balloons using the Wii Remote. There are various modes including Story Mode, Puzzle Mode, and VS CPU mode. Balloon Pop can support up to two players. The...
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A CPU cache is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from...
96 KB (13,278 words) - 11:22, 12 August 2024
Support for hierarchical protection domains is typically implemented using CPU modes. Many kernels provide implementation of "capabilities", i.e., objects...
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because the routines have different calling conventions, run in different CPU modes or address spaces, or at least one runs in a virtual machine. A compiler...
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code has been accessed An operation is not allowed in the current ring or CPU mode A program attempts to divide by zero (only for integers; with the IEEE...
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Instruction cycle (redirect from CPU cycle)
the fetch-execute cycle) is the cycle that the central processing unit (CPU) follows from boot-up until the computer has shut down in order to process...
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Control register (redirect from Supervisor mode execution protection)
behavior of a CPU or other digital device. Common tasks performed by control registers include interrupt control, switching the addressing mode, paging control...
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8 addressing modes * 4 bus modes. The ROM firmware and the vCPU interpreter are written in the 8-bit native assembly code. 16-bit vCPU interpreter, that...
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work load on the CPU. Examples of immediate mode rendering systems include Direct2D, OpenGL and Quartz. There are some immediate mode GUIs that are particularly...
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