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Type of interrupt signal sent between computer processors
inter-processor interrupt (IPI), also known as a shoulder tap, is a special type of interrupt by which one processor may interrupt another processor in
Inter-processor_interrupt
Signal to a computer processor emitted by hardware or software
computers, an interrupt is a request for the processor to interrupt currently executing code (when permitted), so that the event can be processed in a timely
Interrupt
Hardware signal sent to a processor to interrupt a running program and handle input
In an IBM PC-compatible computer, an interrupt request (or IRQ) is a hardware signal sent to the processor that temporarily stops a running program and
Interrupt_request
Family of computer interrupt controllers
Mac G5s. Inter-processor interrupt (IPI) Interrupt Interrupt handler Interrupt latency Message Signaled Interrupts (MSI) Non-maskable interrupt (NMI) "MultiProcessor
Advanced Programmable Interrupt Controller
Advanced_Programmable_Interrupt_Controller
increase processor utilization. Lastly, trying to reduce processor utilization may increase interrupt latency and decrease throughput. Minimum interrupt latency
Interrupt_latency
Integrated circuit that handles interrupts
notable PIC from Intel OpenPIC and IBM MPIC Inter-processor interrupt (IPI) Interrupt latency Non-maskable interrupt (NMI) IRQL (Windows) "Intel® 64 and IA-32
Programmable interrupt controller
Programmable_interrupt_controller
Computer systems programming special block code
needed] Interrupt vector table Advanced Programmable Interrupt Controller (APIC) Inter-processor interrupt (IPI) Interrupt latency Interrupts in 65xx
Interrupt_handler
Sharing of data between running processes in a computer system
In computer science, inter-process communication (IPC) is the sharing of data between running processes in a computer system, or between multiple such
Inter-process_communication
Hardware interrupt that cannot be ignored
Controller (APIC) Inter-processor interrupt (IPI) Interrupt Interrupt handler Interrupt latency Programmable Interrupt Controller (PIC) "Interrupt Levels". Retrieved
Non-maskable_interrupt
Form of inter-process communication in computer systems
signals useful for inter-process communications, as signals are notable for their algorithmic efficiency. Signals are similar to interrupts, the difference
Signal_(IPC)
Comprehensive list of features of x86-based computers
Ralf Brown's Interrupt List (aka RBIL, x86 Interrupt List, MS-DOS Interrupt List or INTER) is a comprehensive list of interrupts, calls, hooks, interfaces
Ralf_Brown's_Interrupt_List
OS hardware Bugs
an interrupt storm is an event during which a processor receives an inordinate number of interrupts that consume the majority of the processor's time
Interrupt_storm
Topics referred to by the same term
purchase alcohol for him or her Shoulder tap, another term for an inter-processor interrupt on a multiprocessor system It can also refer to: Shoulder tap
Shoulder_tap
Programmable Interrupt Controller (APIC) OpenPIC and IBM MPIC Inter-processor interrupt (IPI) Interrupt latency Non-maskable interrupt (NMI) IRQL (Windows)
End_of_interrupt
64-bit extension of x86 architecture
WRMSR to the x2APIC ICR (Interrupt Command Register; MSR 830h) is commonly used to produce an IPI (Inter-processor interrupt) — on Intel 64 but not AMD64
X86-64
Computer hardware technology
contrast to the normal processor initialization [which involved the boot-strap-processor (BSP) sending a Start-up Inter-Processor Interrupt (SIPI) to each Application
Trusted_Execution_Technology
Topics referred to by the same term
describes the patient's respiratory status Inter-processor interrupt, a mechanism used between processors to maintain a sort of synchronization Intelligent
IPI
Free and open-source operating system
processors and are never preemptively switched from one processor to another; they are only migrated by the passing of an inter-processor interrupt (IPI)
DragonFly_BSD
Processor register which changes or controls the general behavior of a CPU
A control register is a processor register that changes or controls the general behavior of a CPU or other digital device. Common tasks performed by control
Control_register
Network packet distribution with multiple cores
of the processor. This comes at the cost of introducing additional inter-processor interrupts (IPIs); however the number of hardware interrupts will not
Multi-core network packet steering
Multi-core_network_packet_steering
Instruction for x86 microprocessors
opcode) is a processor supplementary instruction (its name derived from "CPU Identification") allowing software to discover details of the processor. It was
CPUID
Small computer on a single integrated circuit
events occur, an interrupt system can signal the processor to suspend processing the current instruction sequence and to begin an interrupt service routine
Microcontroller
Particular execution of a computer program
sending output to a printer. This would lead to processor being "idle" (unused). To keep the processor busy at all times, the execution of such a program
Process_(computing)
Structure on x86-based computers that holds information about a task
exception (#TS). It is issued by the processor whenever something goes wrong with the TSS access. For example, if an interrupt happens in CPL=3 and is transferring
Task_state_segment
Inter-network processors are special-purpose processors which aid in the interconnection of telecommunications networks. Most commonly used inter-network
Inter-network_processors
Concurrent execution of multiple processes
execution of multiple tasks (also known as processes) over a certain period of time. New tasks can interrupt already started ones before they finish, instead
Computer_multitasking
Central computer component that executes instructions
A central processing unit (CPU), also known as a central processor, main processor, or simply processor, is the primary processor in a given computer
Central_processing_unit
32-bit CPU microprocessor core originally designed by the European Space Agency
high-performance processor to be used in European space projects. The objectives for the project were to provide an open, portable and non-proprietary processor design
LEON
Ability of a CPU to provide multiple threads of execution concurrently
some processor control registers (such as the program counter), is replicated. For example, to quickly switch between two threads, the processor is built
Multithreading (computer architecture)
Multithreading_(computer_architecture)
Preemption method for normal kernel threads used by DragonFly BSD
process mechanism. What DragonFly does *NOT* do is allow a non-interrupt kernel thread to preempt another non-interrupt kernel thread.
Light_Weight_Kernel_Threads
Minicomputer product line
Instructions for device 0 affect the processor as a whole. For example, ION (6001) enables interrupt processing, and IOFF (6002) disables it. Function
PDP-8
Protected section of code that cannot be executed by more than one process at a time
almost no cost. No inter-processor synchronization is required. Only instruction stream synchronization is needed. Most processors provide the required
Critical_section
Global system of connected computer networks
criminal or malicious attempts to gain unauthorized control to cause interruptions, commit fraud, engage in blackmail or access private information. Malware
Internet
Technology project funded by the Government of India
indigenous industrial-grade processor. The aims of the Shakti initiative include building an open source production-grade processor, complete systems on a
SHAKTI_(microprocessor)
Instruction set architecture
includes a complete copy of the processor state as seen by the software system, each VPE appears as a complete standalone processor to an SMP Linux operating
MIPS_architecture
List of x86 microprocessor instructions
WRMSR to the x2APIC ICR (Interrupt Command Register; MSR 830h) is commonly used to produce an IPI (Inter-processor interrupt) - on Intel but not AMD CPUs
List_of_x86_instructions
Concept in computer science, referring to processes, or data
of inter-process communication and synchronization mechanisms. Many systems provide hardware support for critical section code. A single processor or
Synchronization (computer science)
Synchronization_(computer_science)
Computing paradigm to improve computational efficiency
Cyber 205 was a precursor, as upon a virtual memory interrupt the entire state of the processor (including the information on the partially executed
Out-of-order_execution
Inter-process communication scheme
or inter-process communication (IPC) scheme to pass messages and data in multiprocessing systems. In the case of the DaVinci digital signal processor (DSP)
DSP/BIOS_Link
Software organization of the Michigan Terminal System
off and with hardware interrupts disabled. With multi-processor configurations it may be executing on more than one processor concurrently. UMMPS is
MTS_system_architecture
Core of a computer operating system
kernel in a list in kernel memory at a location known to the processor. When the processor detects a call to that address, it instead redirects to the
Kernel_(operating_system)
32-bit RISC-like computing architecture
a processor status word (PSW) containing ALU and FPU status flags and trap enables, and a system status word (SSW) containing external interrupt enable
Clipper_architecture
Brazilian association football club
moments after Inter's coach, Leão, was sent off. After a few minutes of interruption, the light returned, and the game could be concluded and Inter remained
SC_Internacional
AMD brand of server microprocessors
PCIe 3.0 lanes per socket, 64 of which are used for Infinity Fabric inter-processor links in 2P platforms 7xx1P series models are limited to uniprocessor
Epyc
Real-time operating system
multitasking kernel with pre-emptive scheduling and fast interrupt response, extensive inter-process communication and synchronization facilities, and a file
MQX
Mixed-signal microcontroller family
bits, a global interrupt enable, and four bits that disable various clocks to enter low-power mode. When handling an interrupt, the processor saves the status
TI_MSP430
Undesireable computing scheduling scenario
single flag in shared memory that is used by all CPUs to lock all inter-processor critical sections with a busy-wait. Interprocessor communications are
Priority_inversion
8-bit microprocessor
multiprocessor use, the processor's enable-output line was connected to the enable-input line of the next processor in the chain. While one processor controlled the
National_Semiconductor_SC/MP
Amount of useful work accomplished by a computer
The central processing unit (CPU), also called the central processor, main processor, or simply the processor, is the primary processor in a given computer
Computer_performance
peripheral) would hog the processor until it completed or was interrupted. Other processes would then be starved of processor resources and might become
Job_control_(computing)
Real-time operating system
connectivity stacks, power management, file systems, instrumentation, and inter-processor communications like DSP/BIOS Link. It is free and open-source software
TI-RTOS
Hitachi variant of the Motorola 6809 8-bit microprocessor
cycles, one cycle less than inter-register operation. It is possible to change the mode of operation for the FIRQ interrupt. Instead of stacking the PC
Hitachi_6309
Real-time operating system by IntervalZero
RTX-dedicated processors and to provide the real-time subsystem (RTSS) with high resolution timers (up to 1 microsecond). It also provides an interrupt isolation
RTX_(operating_system)
Programming method
The reason Geos needs 16 interrupts is because the scheme is used to convert inter-segment ("far") function calls into interrupts, without changing the size
Overlay_(programming)
Software engineering discipline
module User space and kernel space Process Multitasking Cooperative Preemptive Context switch Interrupt Inter-process communication Management Control block
Forensic_software_engineering
Piece of software or hardware that creates and runs virtual machines
LPARs can have their processor capacity managed as if they were in a "pool" - IBM refers to this capability as Multiple Shared-Processor Pools (MSPPs) and
Hypervisor
Processors using some version of the MIPS architecture
Technologies. Retrieved 2016-06-22. "interAptiv Processor Core". Imagination Technologies. Retrieved 2016-06-22. "proAptiv Processor Core". Imagination Technologies
MIPS_architecture_processors
Serial communication bus
I2C (Inter-Integrated Circuit; pronounced as "eye-squared-see" or "eye-two-see"), alternatively known as I2C and IIC, is a synchronous, multi-master/multi-slave
I2C
Hardware that translates virtual addresses to physical addresses
add virtual memory onto a processor not designed for virtual memory, it is integrated in the core design of the processor/system so there is no requirement
Memory_management_unit
Partnership Project 2 3NF—Third normal form 386—Intel 80386 processor 486—Intel 80486 processor 4B5BLF—4-bit 5-bit local fiber 4GL—Fourth-generation programming
List of computing and IT abbreviations
List_of_computing_and_IT_abbreviations
64-bit RISC instruction set architecture
Alpha processor to feature a vector processor unit. A persistent report attributed to DEC insiders suggests the choice of the AXP tag for the processor was
DEC_Alpha
Computer science process
The reason Geos needs 16 interrupts is because the scheme is used to convert inter-segment ("far") function calls into interrupts, without changing the size
Dynamic_dispatch
Positive interaction of different religious people
participate at a global level in inter-religious dialogue both through and outside of the United Nations processes. In 2002, the Universal House of Justice
Interfaith_dialogue
Means of entering commands to software
independent means to enter commands. Inter-process communication: Most operating systems support means of inter-process communication (for example, standard
Command-line_interface
Type of computer
case of a hardware processor, a hardware stack is used. The use of a stack significantly reduces the required number of processor registers. Stack machines
Stack_machine
Software loop that processes events
or message pump. A common use for a message loop is message passing inter-process communication where the message queue is maintained outside of the program
Event_loop
Kernel that provides fewer services than a traditional kernel
include low-level address space management, thread management, and inter-process communication (IPC). If the hardware provides multiple rings or CPU
Microkernel
Computer memory management methodology
specific processes is normally isolated, processes sometimes need to be able to share information. Shared memory is one of the fastest techniques for inter-process
Memory_management
American entertainer (1949–1984)
adapted the Foreign Man character to a character named "Andy" who kept interrupting Dick Van Dyke's sketches to do his impressions and songs. The Foreign
Andy_Kaufman
Mainframe computer by Control Data
processor will first verify that a is between 0 and FL-1. If it is, the processor accesses the word in central memory at address RA+a. This process is
CDC_6600
Real-time operating system
80386 or equivalent processor. Current versions of the Windows operating system generally require at least a Pentium level processor in order to boot and
RMX_(operating_system)
UK-based software company founded in 1981
early in the life of the Archimedes, FaxPack was delayed after "serious interrupt latency problems" were experienced with the Archimedes' original operating
Xara
Early computer bus
support more advanced processors. For example, the Zilog Z-80 processor has a non-maskable interrupt line that the Intel 8080 processor does not. One unassigned
S-100_bus
Telecommunications process
communications it is the process of transferring satellite control responsibility from one earth station to another without loss or interruption of service. American
Handover
Shell command that copies standard input to standard output and to one or more files
overwriting -i Ignore interrupts Process substitution lets more than one process read the standard output of the originating process. If a write to any file
Tee_(command)
Chipset used in Amiga personal computer
data in memory without the intervention of the processor) and the Copper (video-synchronized co-processor). The original Agnus can address 512 KB of chip
Amiga_Original_Chip_Set
referred to as a "processor". This allowed favorable per-processor performance comparisons with other supercomputers of the era. The processors ran at 20 MHz
Evans_&_Sutherland_ES-1
The Inter-Korean Liaison Office bombing (Korean: 남북공동연락사무소 폭파사건; lit. 'Inter-Korean Liaison Office Demolition Incident') occurred on 16 June 2020, when
Inter-Korean Liaison Office bombing
Inter-Korean_Liaison_Office_bombing
Formally verified capability-based microkernel
extremely minimal, handling only memory management, process isolation, and scheduling. Its Inter-Process Communication (IPC) acts as a protected procedure
SeL4
In computing, a lock which causes a thread to loop continuously
a thread holds a lock, the greater the risk that the thread will be interrupted by the OS scheduler while holding the lock. If this happens, other threads
Spinlock
October, a group of citizens entered the building of Informer TV and interrupted its live broadcast; Vučić called it "unprecedented violence", while Students
2026 Serbian parliamentary election
2026_Serbian_parliamentary_election
Real-time operating system
sources can be obtained by dedicating a hardware timer, or by generating an interrupt from an alternating current (AC) power line (50 or 60 Hz) signal. This
Micro-Controller Operating Systems
Micro-Controller_Operating_Systems
Filesystem in Unix-like operating systems
cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 6 model name : AMD Athlon II X2 270 Processor stepping : 3 microcode
Procfs
Subsystem for 32-bit Windows for running 16-bit DOS & Windows programs
method devised on B-1 stepping processor chips, however, in May 1985 stopped working on the C-1 and subsequent processor steppings shortly before Digital
Virtual_DOS_machine
Diplomatic end to war
Prior to an armed conflict occurring, peace processes can include the prevention of an intrastate or inter-state dispute from escalating into military
Peace_process
Computer memory management technique
storage). Other terms used are locked, fixed, or wired pages. For example, interrupt mechanisms rely on an array of pointers to their handlers, such as I/O
Virtual_memory
2018 British fantasy television series
Gallowglass soon arrives with a summons from Philippe. Not only must they interrupt Diana's training and their search for the Book of Life, but they must
A Discovery of Witches (TV series)
A_Discovery_of_Witches_(TV_series)
Family of IBM operating systems
April 30, 2021. Retrieved May 9, 2021. In a real processor, the DIAGNOSE instruction performs processor-dependent diagnostic functions. In a virtual machine
VM_(operating_system)
IBM computer family (1964–1977)
A processor with: 16 32-bit general-purpose registers (R0–R15) A 64-bit program status word (PSW), which describes (among other things) Interrupt masks
IBM_System/360
Most populous city in Canada
local economy. In August of that year, the Northeast blackout of 2003 interrupted electricity, public transit and traffic signals throughout the city as
Toronto
Educational computer program released in 1992
supported by Direct Memory Access mode (DMA), Inter-Integrated Circuit Connection (I2C), and Interrupt request functionality (IRQ). An output port, a
MikroSim
Commission Act, 1996. The South African cabinet approved the establishment of an Inter-Ministerial Committee (IMC) that oversaw preparations for the 2026 Local
2026 South African municipal elections
2026_South_African_municipal_elections
Ruler of the Holy Roman Empire from 800 to 1806
(Rex Italiae) from the 8th to the 16th century, and, almost without interruption, with the title of King of Germany (Rex Teutonicorum, lit. 'King of the
Holy_Roman_Emperor
Free Unix-like operating system kernel
assigns absolute slices of the processor time depending on either predetermined or dynamically computed priority of each process). The Linux CFS does away
Linux_kernel
Multi-stage initialisation process of operating system
bootloader stage, kernel stage, and init process. When a Linux system is powered up or reset, its processor will execute a specific firmware/program for
Booting_process_of_Linux
2026 South Korean television series
produced by an OTT platform (such as Netflix) to minimize commercial interruptions. Agent Kim Reactivated recorded strong viewership ratings upon its debut
Agent_Kim_Reactivated
Range of mainframe computers in the 1960s and 70s
temporary value. x:=RDLK(x,y); WHOI — Processor identification IDLE — Idle until an interrupt is received Two processors could infrequently simultaneously
Burroughs_Large_Systems
22nd edition of international song competition
Zapp via NPO 3 a day later due to the live broadcast being delayed and interrupted on said channel the night before. The contest was however broadcast live
Junior Eurovision Song Contest 2024
Junior_Eurovision_Song_Contest_2024
Business management discipline
a group of inter-dependent projects. From another viewpoint, process management includes program management. In project management, process management
Business_process_management
Country in South America
Preliminares (a quick count process used in Latin America as a transparency measure in electoral processes) was interrupted; at the time, Morales had a
Bolivia
travel, tourism, insurance
INTER PROCESSOR-INTERRUPT
INTER PROCESSOR-INTERRUPT
INTER PROCESSOR-INTERRUPT
INTER PROCESSOR-INTERRUPT
INTER PROCESSOR-INTERRUPT
INTER PROCESSOR-INTERRUPT
INTER PROCESSOR-INTERRUPT
INTER PROCESSOR-INTERRUPT
INTER PROCESSOR-INTERRUPT
travel, tourism, insurance