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Form of resource sharing for tasks in computing
assumption is not necessary for many GPS applications. In processor scheduling, generalized processor sharing is "an idealized scheduling algorithm that achieves
Processor_sharing
Generalized processor sharing (GPS) is an ideal scheduling algorithm for process schedulers and network schedulers. It is related to the fair-queuing principle
Generalized_processor_sharing
Type of queue model in queueing theory
This result holds for any work conserving service regime, such as processor sharing. The busy period is the time period measured between the instant a
M/M/1_queue
Multi-server queueing model
experiencing an Erlang distribution with shape parameter k + 1. In a processor sharing queue the service capacity of the queue is split equally between the
M/M/c_queue
Network scheduling algorithm
algorithm. WFQ is both a packet-based implementation of the generalized processor sharing (GPS) policy, and a natural extension of fair queueing (FQ). Whereas
Weighted_fair_queueing
Computer memory that can be accessed by multiple processes
redundant copies. Shared memory is an efficient means of passing data between programs. Depending on context, programs may run on a single processor or on multiple
Shared_memory
Scheduling algorithm for tasks or data flows
have the same size, WRR is the simplest approximation of generalized processor sharing (GPS). Several variations of WRR exist. The main ones are the classical
Weighted_round_robin
Joint use of a resource or space
general-purpose computing to multiple users by sharing processor time. Sharing of resources between processes and threads is the source of most of the difficulties
Sharing
Use of two or more central processing units (CPUs) within one computer system
central processing units (CPUs) within one computer system. The term also refers to the ability of a system to support more than one processor or the ability
Multiprocessing
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)
Component of a computer process
multi-tasking, and preemptive multi-tasking for the Intel 8080 processor in 1979, and on the 8086 processor in 1981. The first version of Windows to have threads
Thread_(computing)
Proprietary simultaneous multithreading implementation by Intel
processor can be individually halted, interrupted or directed to execute a specified thread, independently from the other logical processor sharing the
Hyper-threading
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
Signal to a computer processor emitted by hardware or software
interrupt is a request for the processor to interrupt currently executing code (when permitted), so that the event can be processed in a timely manner. If the
Interrupt
Aspect of queueing theory
received least processing time so far are served first and jobs which have received equal service time share service capacity using processor sharing shortest
M/G/1_queue
Scheduling algorithm for the network scheduler
queueing (WFQ), a packet-based implementation of the ideal generalized processor sharing (GPS) policy. It was proposed by M. Shreedhar and G. Varghese in 1995
Deficit_round_robin
Scheduling algorithm, the first piece of data inserted into a queue is processed first
data buffer) where the oldest (first) entry, or "head" of the queue, is processed first. FIFOs are used for a wide variety of applications. Depending on
FIFO (computing and electronics)
FIFO_(computing_and_electronics)
IBM real-time operating system
that absolutely must be managed by a record locking process are those which are processor shared. In TPF, most record accesses are done by using record
Transaction Processing Facility
Transaction_Processing_Facility
Computing resource shared by concurrent users
time-sharing is the concurrent sharing of a computing resource among many tasks or users by giving each task or user a small slice of processing time
Time-sharing
Equal sharing of all resources by multiple identical processors
processor mainly handled the operating system and hardware interrupts. The Burroughs D825 first implemented SMP in 1962. IBM offered dual-processor computer
Symmetric_multiprocessing
Algorithm employed by process and network schedulers in computing
person takes an equal share of something in turn. To schedule processes fairly, a round-robin scheduler generally employs time-sharing, giving each job a
Round-robin_scheduling
Mathematical study of waiting lines, or queues
waiting time will be served first. Also known as a stack. Processor sharing Service capacity is shared equally between customers. Service in random order (SIRO)
Queueing_theory
\scriptstyle {\mu _{j}}} for the service rate when the queue length is j. Processor sharing queues Infinite-server queues LCFS with pre-emptive resume (work is
BCMP_network
Microprocessor with more than one processing unit
A multi-core processor (MCP) is a microprocessor on a single integrated circuit (IC) with two or more separate central processing units (CPUs), called
Multi-core_processor
Device or computer program used for writing and editing documents
features. Early word processors were stand-alone devices dedicated to the function, but current word processors are primarily word processor programs running
Word_processor
Platform for users to upload, share, or live stream videos on the Internet
February 2017. Retrieved 18 September 2019. "First Video Sharing Site Paved the Way for YouTube — ShareYourWorld.com Was There First to Launch Ten Years Back"
Online_video_platform
Short-time bicycle rental service
A bicycle-sharing system, bike share program, public bicycle scheme, or public bike share (PBS) scheme, is a shared transport service in which bicycles
Bicycle-sharing_system
Specialized electronic circuit that accelerates graphics
rendering Vision processing unit (VPU) Vector processor Video card Video display controller Video game console AI accelerator GPU Vector Processor internal features
Graphics_processing_unit
2007 family of multiprocessors by IBM
a single frame. IBM Power microprocessors POWER7 z10, a mainframe processor sharing much technology with the POWER6. "A Mainframe Roadmap". Isham Research
POWER6
Parallel computing memory architecture
each processor may use a private cache. Peripherals are also shared in some fashion. The UMA model is suitable for general purpose and time sharing applications
Uniform_memory_access
Multi-core microprocessor microarchitecture
As used in the PlayStation 3, the processor has 250 million transistors. In a simple analysis, the Cell processor can be divided into four components:
Cell_(processor)
Scheduling algorithm for sharing of limited resources
fair queuing and generalized processor sharing. This algorithm attempts to emulate the fairness of bitwise round-robin sharing of link resources among competing
Fair_queuing
Electrical component for processing data
In computing and computer science, a processor or processing unit is an electrical component (digital circuit) that performs operations on an external
Processor_(computing)
Programming paradigm in which many processes are executed simultaneously
is the processor frequency (cycles per second). Increases in frequency increase the amount of power used in a processor. Increasing processor power consumption
Parallel_computing
1984 home computer
regarded as sluggish using the 8088. The machine also contained a Z80 processor, sharing the same bus as the 8088, so that it could run the original Tiki-100
Tiki-100
Method by which work is assigned
algorithm; a process yields control of the processor to another process by explicitly calling a blocking function such as WaitNextEvent. Each process has its
Scheduling_(computing)
Topics referred to by the same term
automotive navigation system Generalized processor sharing, an algorithm to fairly share computer processing time General Problem Solver, a 1959 computer
GPS_(disambiguation)
Computer resource made available from one host to other hosts on a computer network
printers. E.g., shared file access (also known as disk sharing and folder sharing), shared printer access, shared scanner access, etc. The shared resource is
Shared_resource
AMD brand of server microprocessors
contemporary Genoa processors. Siena utilizes the same Zen 4c core architecture as Bergamo cloud native processors, allowing up to 64 cores per processor, and the
Epyc
Brand of discontinued microprocessors produced by Intel
original Pentium was Intel's fifth generation processor, succeeding the i486; Pentium was Intel's flagship processor line for over a decade until the introduction
Pentium
Series of integrated graphics processors
series of integrated graphics processors (IGPs) designed by Intel. The graphics processor is integrated into the processor package, either on the same die
Intel_Graphics_Technology
Family of superminicomputers by Digital
quad-processor variant of the VAX-11/780. Similar to the VAX-11/782, it is an asymmetric multiprocessing system, with all four KA780 processors sharing the
VAX-11
American mathematician
numbers) and diffusion (central limit theorem) approximations for processor sharing queues with renewal arrivals and iid service requirements. By removing
Amber_L._Puha
Processing scheduling algorithm
Multilevel Feedback Queue Schedulers — Solaris 2.6 Time-Sharing Processor Sharing Queueing Models of Mixed Scheduling Disciplines for Time Shared System
Multilevel_feedback_queue
Early packet switching network
The hardware was based on the Zilog Z80 processor and had a multiprocessor structure with 16 processors sharing a common memory. The software was developed
TRAME
Hardware cache of a central processing unit
location in the memory, the processor checks whether the data from that location is already in the cache. If so, the processor will read from or write to
CPU_cache
X5 LTE Modem, Snapdragon 616 processor, Snapdragon 415 processor, Snapdragon 412 processor and Snapdragon 212 processor LTE Technology: LTE FDD, LTE TDD
List of Qualcomm Snapdragon modems
List_of_Qualcomm_Snapdragon_modems
Scheduling algorithm
a new process is added, and when a new process is added the algorithm only needs to compare the currently executing process with the new process, ignoring
Shortest_remaining_time
Demand-driven and vehicle-sharing arrangement
ride-sharing) or over time (e.g. carsharing or bike sharing) as personal rental, and in the process share the cost of the journey. It is a transportation
Shared_transport
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
1967 IBM mainframe model with virtual memory and 32-bit addressing
the importance of time-sharing and the need to support it. A paper titled Program and Addressing Structure in a Time-Sharing Environment by Bruce Arden
IBM_System/360_Model_67
Assignment of a task to a given core of a CPU
efficiency. For example, when two processor-intensive tasks (A and B) have affinity to one processor while another processor remains unused, many schedulers
Processor_affinity
Process of sharing login information with multiple users
Account sharing, also known as credential sharing, is the process of sharing login information with multiple users to access online accounts or services
Account_sharing
Aspect of mathematical queueing theory
Includes applications in wide area network design, where a single central processor to read the headers of the packets arriving in exponential fashion, then
M/D/1_queue
Executing several computations during overlapping time periods
executed in parallel, for example, by assigning each process to a separate processor or processor core, or distributing a computation across a network
Concurrent_computing
CPU chip: 48. Manycore processors, originating from the cancelled Larrabee processor. 2010: Knights Ferry (32-core processor prototype on 45nm) 2012:
List_of_Intel_processors
Mathematical identity in queueing theory
transforms for an M/G/1 queue (where jobs arrive according to a Poisson process and have general service time distribution). The term is also used to refer
Pollaczek–Khinchine_formula
Database system utilizing parallelization
one processor may join two tables and send the result set records as and when they are produced to the other processor. In the other processor the third
Parallel_database
Type of integrated circuit
flows to be encrypted by the processor. TCP offload processing Content processor Multi-core processor Knowledge-based processor Active networking Computer
Network_processor
Graphic driver architecture
to be shared across processes. Thus, an application can incorporate a mesh created by another application into the scene it is rendering. Sharing textures
Windows_Display_Driver_Model
Efficiency improving technique for superscalar CPUs
thread each cycle. This makes it more similar to a barrel processor. Sun Microsystems' Rock processor is different: it has more complex cores that have more
Simultaneous_multithreading
Concurrent execution of multiple processes
the central processor can still be used with another program. In a time-sharing system, multiple human operators use the same processor as if it was
Computer_multitasking
application of the method of supplementary variables to the analysis of a processor sharing system". Automation and Remote Control. 69 (9): 1622–1629. doi:10
Method of supplementary variables
Method_of_supplementary_variables
Base memory unit handled by a computer
capable of storing data in multiple representations. Memory–processor transfer When the processor reads from the memory subsystem into a register or writes
Word_(computer_architecture)
Multiprocessor computer system where not all of the CPUs are treated equally
B5000 was “Processor B”. This second processor, unlike “Processor A” had no connection to the peripherals, though the two processors shared main memory
Asymmetric_multiprocessing
First computer made by Digital Equipment Corp
editor, the first word processor, the first interactive debugger, one of the very earliest time-sharing systems (BBN Time-Sharing System), and some of the
PDP-1
Processor design concept
In computing and processor design, a translation lookaside buffer (TLB) is a memory cache that stores the recent translations of virtual memory addresses
Translation_lookaside_buffer
Web platform part of Microsoft 365
SharePoint is a web-based collaborative platform primarily used for building corporate intranets, document and content management, and file sharing.
SharePoint
Digital workload distribution techniques
jobs on shared memory. Therefore, a request is simply reading from a certain position on this shared memory at the request of the master processor. In addition
Load_balancing_(computing)
Economic and social systems that enable shared access to assets
Consumption" published in 1978 with coining the term economy of sharing. The term "sharing economy" began to appear around the time of the Great Recession
Sharing_economy
Brief car rental method
vehicles with a separate car sharing facilitator (peer-to-peer). Car sharing is part of a larger trend of shared mobility. Car sharing began in Europe in the
Carsharing
Probability concept
continuous-time Markov chain (CTMC) is a continuous stochastic process in which, for each state, the process will change state according to an exponential random
Continuous-time_Markov_chain
Task of creating a processor
Processor design is a subfield of computer engineering and electronics that deals with creating a processor, a key component of computer hardware. While
Processor_design
Wiener process with reflecting spatial boundaries
with the acronym RBM) is a Wiener process in a space with reflecting boundaries. In the physical literature, this process describes diffusion in a confined
Reflected_Brownian_motion
Microprocessor
microcontrollers. In 1989, Motorola introduced the 68302 communications processor. This processor was formerly supplied by Freescale and NXP after Motorola spun
Motorola_68000
Mathematical model
B-ISDN), peer-to-peer file sharing, optical burst switching, and has applications in civil engineering when designing dams. The process is closely connected
Fluid_queue
archival service (link) "Photo Sharing. Stunning Photo Websites. - SmugMug". "A Snapshot Of Photo-Sharing Market Share On Twitter". TechCrunch. June 2
List of image-sharing websites
List_of_image-sharing_websites
Scheduling policy
Shortest job next (SJN) – also known as shortest job first (SJF) or shortest process next (SPN) – is a method used by a computer operating system to decide
Shortest_job_next
Computer system for maintaining order among running programs
to execute any one of the processes; ∑j=1Ntj(processor)<ti(execution) Therefore, in uni-programming systems, the processor lays idle for a considerable
Process management (computing)
Process_management_(computing)
Data transfer program by Samsung and Google
was created to streamline the process of sending content, superseding a previous service named Link Sharing. Quick Share for Windows-based Samsung Galaxy
Quick_Share
Collective operation in parallel computing
collective operation, where each processor sends an individual message to every other processor. Initially, each processor holds p messages of size m each
All-to-all_(parallel_pattern)
Mathematical model in queueing theory
arrival process (MAP or MArP) is a mathematical model for the time between job arrivals to a system. The simplest such process is a Poisson process where
Markovian_arrival_process
Discontinued operating system
upon the GE-225 system paired with a DATANET-30 communications processor. This two-processor approach was unorthodox, and Kemeny later recalled: "At that
Dartmouth_Time-Sharing_System
Computer processor which works on arrays of several numbers at once
In computing, a vector processor is a central processing unit (CPU) that implements an instruction set where its instructions are designed to operate
Vector_processor
Open standard for parallelizing
Some vendors recommend setting the processor affinity on OpenMP threads to associate them with particular processor cores. This minimizes thread migration
OpenMP
Line of CPUs produced by Intel
Pentium processors, the Core i3 line does support the new Advanced Vector Extensions. This particular processor is the entry-level processor of this new
Intel_Core
Series of x86-compatible processor
compatibility Processor functional blocks: CPU core GeodeLink Control Processor GeodeLink Interface Units GeodeLink Memory Controller Graphics Processor Display
Geode_(processor)
Unix variant with real-time operating system capabilities
Real-Time (MERT), later renamed UNIX Real-Time (UNIX-RT), is a hybrid time-sharing and real-time operating system developed in the 1970s at Bell Labs for
Multi-Environment_Real-Time
Scalable coherence technique
just replacing number of processors with number of processor groups. When a bus request is made for a cache line that one processor in the group has, the
Directory-based cache coherence
Directory-based_cache_coherence
American multinational semiconductor company
own AMD Am29000 (29k) processor; the 29k survived as an embedded processor. The company also increased its EPROM memory market share in the late 1980s. Throughout
AMD
Consistency model in concurrent computing
system follows processor consistency, as all the writes by each processor are seen in the order they occurred in by the other processors, and the transactions
Processor_consistency
CPU that switches between threads of execution on every cycle
automatically generate a corresponding barrel processor design from a single-tasking processor design. An n-way barrel processor generated this way acts much like
Barrel_processor
Publishing or transfer of photos online
Image sharing, or photo sharing, is the publishing or transfer of digital photos online. Image sharing websites offer services such as uploading, hosting
Image_sharing
Instructions directly executable by a computer
Loop control Input/output On processor architectures with variable-length instruction sets (such as Intel's x86 processor family) it is, within the limits
Machine_code
Activity through which knowledge is exchanged
Knowledge sharing or skill sharing is an activity through which knowledge (namely, information, skills, or expertise) is exchanged among people, friends
Knowledge_sharing
Combinational digital circuit
depend on the architecture of the encapsulating processor and the operation being performed. Processor architectures vary widely, but in general-purpose
Arithmetic_logic_unit
Cache coherence protocol
another processor tries to read it. Instead, the Owned state allows a processor to supply the modified data directly to the other processor. This is
MOESI_protocol
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
Small mainframe computer series (1960s)
College on the development of a time-sharing operating system, which would later go on to become the Dartmouth Time-Sharing System (DTSS). The system was constructed
GE-200_series
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)
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