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Ability of computer instructions to be executed simultaneously with correct results
Instruction-level parallelism (ILP) is the parallel or simultaneous execution of a sequence of instructions in a computer program. More specifically,
Instruction-level_parallelism
Programming paradigm in which many processes are executed simultaneously
different forms of parallel computing: bit-level, instruction-level, data, and task parallelism. Parallelism has long been employed in high-performance
Parallel_computing
Computer architecture feature
form of instruction-level parallelism (ILP). However, ILP is often conflated with superscalar, the ability to execute more than one instruction at the
Memory-level_parallelism
Central computer component that executes instructions
Modern CPUs devote a lot of semiconductor area to caches and instruction-level parallelism to increase performance and to CPU modes to support operating
Central_processing_unit
Computer architecture to aid parallelism
Very long instruction word (VLIW) is a type of instruction set architecture designed to exploit instruction-level parallelism (ILP) by explicitly specifying
Very_long_instruction_word
Method of improving instruction-level parallelism
In computer engineering, instruction pipelining is a technique for implementing instruction-level parallelism within a single processor. Pipelining attempts
Instruction_pipelining
Compiler optimization technique
In computer science, instruction scheduling is a compiler optimization used to improve instruction-level parallelism, which improves performance on machines
Instruction_scheduling
CPU that implements instruction-level parallelism within a single processor
multiple-issue processor) is a CPU that implements a form of parallelism called instruction-level parallelism within a single processor. In contrast to a scalar
Superscalar_processor
Register that stores where in a program a processor is executing
program is complicated by instruction-level parallelism and out-of-order execution. By default, a processor fetches instructions sequentially from memory
Program_counter
Parallelization across multiple processors in parallel computing environments
Active message Instruction level parallelism Parallel programming model Prefix sum Scalable parallelism Segmented scan Thread level parallelism Some input
Data_parallelism
Measure of the amount of work needed to perform a computing task
amount of parallelism is achieved at instruction level, followed by loop-level parallelism. At instruction and loop level, fine-grained parallelism is achieved
Granularity (parallel computing)
Granularity_(parallel_computing)
American and Spanish computer scientist
scientist noted for his work on VLIW architectures, compiling, and instruction-level parallelism, and for the founding of Multiflow Computer. He is a Hewlett-Packard
Josh_Fisher
methods are limited by the degree of instruction-level parallelism (ILP), the number of non-dependent instructions in the program code. Some programs can
History of general-purpose CPUs
History_of_general-purpose_CPUs
Aspect of CPU performance
instruction is fetched every clock cycle by exploiting instruction-level parallelism, therefore, since one could theoretically have five instructions
Cycles_per_instruction
Form of parallel computing
Bit-level parallelism is a form of parallel computing based on increasing processor word size. Increasing the word size reduces the number of instructions
Bit-level_parallelism
Component of computer engineering
memory. One barrier to achieving higher performance through instruction-level parallelism stems from pipeline stalls and flushes due to branches. Normally
Microarchitecture
Processor with instructions capable of multi-step operations
A complex instruction set computer (CISC /ˈsɪsk/) is a computer architecture in which single instructions can execute several low-level operations (such
Complex instruction set computer
Complex_instruction_set_computer
Loop-level parallelism is a form of parallelism in software programming that is concerned with extracting parallel tasks from loops. The opportunity for
Loop-level_parallelism
Model that describes the programmable interface of a computer processor
seek to exploit instruction-level parallelism with less hardware than RISC and CISC by making the compiler responsible for instruction issue and scheduling
Instruction_set_architecture
CPU architecture
in providing full instruction-level parallelism. However, one could employ macro-op fusion as a means of executing common instruction phrases as individual
Minimal instruction set computer
Minimal_instruction_set_computer
Set of techniques employed by microprocessors
for greater instruction-level parallelism by allowing safe out-of-order execution of loads and stores. When attempting to execute instructions out of order
Memory_disambiguation
Instruction set architecture
addressing modes). MIPS IV added several features to improve instruction-level parallelism. To alleviate the bottleneck caused by a single condition bit
MIPS_architecture
Physical components of a computer
interaction (task parallelism). These forms of parallelism are accommodated by various hardware strategies, including instruction-level parallelism (such as instruction
Computer_hardware
Technique that abstracts logical registers from physical registers
of these false data dependencies reveals more instruction-level parallelism in an instruction stream, which can be exploited by various and complementary
Register_renaming
Algorithm for polynomial evaluation
sequentially dependent, so it is not possible to take advantage of instruction level parallelism on modern computers. In most applications where the efficiency
Horner's_method
Form of parallelization of computer code
Task parallelism (also known as function parallelism and control parallelism) is a form of parallelization of computer code across multiple processors
Task_parallelism
Software library for numerical linear algebra
exploit the caches on modern cache-based architectures and the instruction-level parallelism of modern superscalar processors, and thus can run orders of
LAPACK
Optimization technique in computing
generated machine instructions for faster execution, improve program performance. It increases ILP (Instruction Level Parallelism) along the important
Trace_scheduling
Ability of a CPU to provide multiple threads of execution concurrently
paradigm has become more popular as efforts to further exploit instruction-level parallelism have stalled since the late 1990s. This allowed the concept
Multithreading (computer architecture)
Multithreading_(computer_architecture)
Programming situation where an instruction refers to a prior instruction's data
2 and instruction 2 is truly dependent on instruction 1, instruction 3 is also truly dependent on instruction 1. Instruction level parallelism is therefore
Data_dependency
Instruction set architecture
resources. An equally important goal was to further exploit instruction-level parallelism (ILP) by using the compiler to find and exploit additional opportunities
Explicitly parallel instruction computing
Explicitly_parallel_instruction_computing
Microprocessor microarchitecture
Hence, if instructions consume fewer idle cycles while inside the pipeline, there is a greater chance of exploiting instruction level parallelism (ILP) as
Latency oriented processor architecture
Latency_oriented_processor_architecture
Compiler optimization
to be parallelized by the processor by taking advantage of instruction-level parallelism. This is possible when there are no data dependencies between
Loop_fission_and_fusion
Type of computer
the register file. The Tomasulo algorithm finds instruction-level parallelism by issuing instructions as their data becomes available. Conceptually, the
Stack_machine
Improving the efficiency of software
platform-dependent techniques involve instruction scheduling, instruction-level parallelism, data-level parallelism, cache optimization techniques (i.e
Program_optimization
Authenticated encryption mode for block ciphers
performed on a message, interleaving those operations using instruction-level parallelism can increase performance. This process is called function stitching
Galois/Counter_Mode
Topics referred to by the same term
are sent on a single TCP connection Instruction pipelining, a technique for implementing instruction-level parallelism within a single processor Pipelining
Pipelining
Supercomputer designed by Tesla
purpose 64-bit CPU with a superscalar core. It supports internal instruction-level parallelism, and includes simultaneous multithreading (SMT). It doesn't
Tesla_Dojo
Type of computer processor design
instruction-level parallelism. The parallelism is statically defined by the programmer. In this respect (and obviously due to the large instruction word
Transport triggered architecture
Transport_triggered_architecture
Efficiency improving technique for superscalar CPUs
increase on-chip parallelism with fewer resource requirements: one is superscalar technique which tries to exploit instruction-level parallelism (ILP); the
Simultaneous_multithreading
Abstraction of parallel computer architecture
architecture, superscalar execution is a mechanism whereby instruction-level parallelism is exploited to perform operations in parallel. Parallel programming
Parallel_programming_model
Microprocessor instruction set architecture
architecture is based on explicit instruction-level parallelism, in which the compiler decides which instructions to execute in parallel. This contrasts
IA-64
Instructions directly executable by a computer
architecture to aid parallelism On early decimal machines, patterns of characters, digits and digit sign While overlapping instructions on processor architectures
Machine_code
Loop transformation technique
if $7 > 0 Computer programming portal Don't repeat yourself Instruction level parallelism Just-in-time compilation Loop fusion Loop splitting Loop unswitching
Loop_unrolling
Technique in computer programming to optimize loop execution
been known to assembly language programmers of machines with instruction-level parallelism since such architectures existed. Effective compiler generation
Software_pipelining
American computer company, 1982–2010
canceled two major processor projects which emphasized high instruction-level parallelism and operating frequency. Instead, the company chose to concentrate
Sun_Microsystems
Type of parallel processing
accessible through an instruction set architecture (ISA), but it should not be confused with an ISA. Such machines exploit data level parallelism, but not concurrency:
Single instruction, multiple data
Single_instruction,_multiple_data
Inherent parallelism in expressed computation
of each in turn), a language that provides implicit parallelism might allow writing the instruction thus: numbers = [0 1 2 3 4 5 6 7]; result = sin(numbers);
Implicit_parallelism
Series of GPUs by Nvidia
the utilization of instruction-level parallelism and superscalar execution in addition to thread-level parallelism. As instructions are statically scheduled
GeForce_600_series
Computer processing technique to boost memory performance
Prefetching using Delta-Correlating Prediction Tables". Journal of Instruction-Level Parallelism (13): 1–16. CiteSeerX 10.1.1.229.3483. Ishii, Yasuo; Inaba,
Cache_prefetching
Intel microprocessor
potential, certain compilers were optimized to better exploit instruction-level parallelism, although not all applications would substantially gain from
Pentium_(original)
Type of pseudorandom number generation algorithm
rather than the final state in order to increase the available instruction-level parallelism to maximize performance on modern superscalar processors. A
Permuted congruential generator
Permuted_congruential_generator
Topics referred to by the same term
to: Inductive logic programming Information Leak Prevention Instruction-level parallelism Integer linear programming ilp., a 2013 album by Kwes Independent
ILP
Binary arithmetic algorithm
executed in strictly sequential order, negating any benefits of instruction-level parallelism. The XOR swap is also complicated in practice by aliasing. If
XOR_swap_algorithm
Family of RISC-based computer architectures
as arm) is a family of RISC instruction set architectures for computer processors. Arm Holdings develops the instruction set architecture and licenses
ARM_architecture_family
Topics referred to by the same term
size and complexity of addressing, to simplify implementation, instruction level parallelism, and compiling Reduction operator, a type of operator that is
Reduction
Microprocessor with more than one processing unit
Various other methods are used to improve CPU performance. Some instruction-level parallelism (ILP) methods such as superscalar pipelining are suitable for
Multi-core_processor
Micro-electronic component
exploiting instruction-level parallelism through parallel processing and superscalar execution. SP cores most often feature application-specific instructions, and
System_on_a_chip
Development of classes and classifications
available for public use. Flynn's taxonomy, a classification for instruction-level parallelism methods Folksonomy, classification based on user's tags Taxonomy
Taxonomy
Software framework for heterogeneous computing systems
Laplacian, MF, Sobel, SRAD, and GMEAN. Asymmetric multiprocessing Instruction-level parallelism (ILP) Parallel computing Simultaneous multithreading Superscalar
Simultaneous and heterogeneous multithreading
Simultaneous_and_heterogeneous_multithreading
Production of waste heat by computer processors
manufacturers consistently delivered increases in clock rates and instruction-level parallelism, so that single-threaded code executed faster on newer processors
Processor_power_dissipation
Frequency at which a CPU chip or core is operating
architectural techniques such as instruction pipelining and out-of-order execution which attempts to exploit instruction level parallelism in the code. The clock
Clock_rate
Property of an algorithm
coherency, garbage collection, instruction-level parallelism, multi-threading (at either a hardware or software level), simultaneous multitasking, and
Algorithmic_efficiency
Specialized computer hardware
under-utilization of available processor functional units and instruction level parallelism between different hardware threads. Hardware execution units
Hardware_acceleration
2017 AMD 14-nanometer processor microarchitecture
2016. Cutress, Ian. "AMD Zen Microarchiture Part 2: Extracting Instruction-Level Parallelism". Archived from the original on 2017-03-12. Retrieved 2017-03-10
Zen_(first_generation)
Processor executing one instruction in minimal clock cycles
the size of the register set and increase internal parallelism.[citation needed] Uniform instruction format, using a single word with the opcode in the
Reduced instruction set computer
Reduced_instruction_set_computer
Visual performance model
where the two added ceilings represent the lack of instruction level parallelism and task level parallelism. An example roofline model with locality walls
Roofline_model
Form of conditionals in computer programming
slot Instruction-level parallelism Optimizing compiler Pipeline stall Software pipelining Speculative execution Vector processor Very long instruction word
Predication (computer architecture)
Predication_(computer_architecture)
algorithm would do two lookups in the same table? The difference is instruction-level parallelism. In the standard algorithm, the index for each lookup depends
Computation of cyclic redundancy checks
Computation_of_cyclic_redundancy_checks
Merced killer". www.theregister.com. Aiken, Alex; et al. (2016). Instruction Level Parallelism. Springer US. p. 15. ISBN 9781489977977. Terms for Soviet Access
History of computing in the Soviet Union
History_of_computing_in_the_Soviet_Union
Thomas Gross, Guei-Yuan Lueh and James Reinders. Modeling Instruction-Level Parallelism for Software Pipelining. In Proceedings of the IFIP WG10.3 Working
IWarp
Hardware cache of a central processing unit
cache levels (L1, L2, often L3, and rarely even L4), with separate instruction-specific (I-cache) and data-specific (D-cache) caches at level 1. The
CPU_cache
Data processing chain
mid-level PC using distributed processing in this fashion can handle the building and running of big data pipelines. Dataflow Throughput Parallelism Instruction
Pipeline_(computing)
Computer architecture hardware algorithm
Intel x86-64 chips.[failed verification] Re-order buffer (ROB) Instruction-level parallelism (ILP) Tomasulo, Robert Marco (Jan 1967). "An Efficient Algorithm
Tomasulo's_algorithm
Parallel processing technique
(January 2001). Improving processing time of large images by instruction level parallelism (PDF). Chilean Computing Week, V Workshop on Parallel and Distributed
SWAR
AMD computing architecture
both AI engines and FPGA fabric. It represents task-level, tile-level, and instruction-level parallelism in MLIR and accommodates global and local optimization
AI_engine
Research division of HP Inc.
best known for his work on VLIW architectures, compiling, and instruction-level parallelism. Marc Stiegler: who investigated planetary scale computing.
HP_Labs
Programming abstraction
computing platform and programming model that higher level languages can use to exploit parallelism. In CUDA, the kernel is executed with the aid of threads
Thread block (CUDA programming)
Thread_block_(CUDA_programming)
GPU microarchitecture by Nvidia
Support Manufactured by TSMC on a 28 nm process New Shuffle Instructions Dynamic Parallelism Hyper-Q (Hyper-Q's MPI functionality reserve for Tesla only)
Kepler_(microarchitecture)
Topics referred to by the same term
stages or a CPU optimization found on Instruction pipelining, a technique for implementing instruction-level parallelism within a single processor Classic
Pipeline_(disambiguation)
Secure64: Server app developer in Fort Collins, CO
Inability to execute code from system stacks High performance from instruction-level parallelism Secure64 has a patent pending for the queued, non-blocking and
Secure64_Software
Computer manufacturer and seller
prior compiler technique, exposed significant quantities of instruction-level parallelism (ILP) in ordinary computer programs, without laborious hand
Multiflow
American academic and engineer
microprocessors" 1996 Eckert–Mauchly Award "for important contributions to instruction level parallelism and superscalar processor design" 1999 IEEE Wallace W. McDowell
Yale_Patt
Low-level instructions used in some designs to implement complex machine instructions
freedom regarding execution order, it makes some extraction of instruction-level parallelism out of a normal single-threaded program possible (provided that
Micro-operation
retired immediately. This allows both prefetching and traditional instruction-level parallelism. Scouting and simultaneous multithreading (SMT) both use hardware
Hardware_scout
Chinese artificial intelligence company
various forms of parallelism such as Data Parallelism (DP), Pipeline Parallelism (PP), Tensor Parallelism (TP), Experts Parallelism (EP), Fully Sharded
DeepSeek
of United States Yale Patt – Instruction-level parallelism, speculative architectures David Patterson – reduced instruction set computer (RISC), RISC-V
List_of_computer_scientists
Compiler backend for multiple programming languages
instruction set architecture. LLVM is designed around a language-independent intermediate representation (IR) that serves as a portable, high-level assembly
LLVM
degree of parallelism to classify various computer architecture. It is based on sequential and parallel operations at a bit and word level. The maximum
Feng's_classification
Classification of computer architectures
computer which exploits no parallelism in either the instruction or data streams. Single control unit (CU) fetches a single instruction stream (IS) from memory
Flynn's_taxonomy
64-bit extension of the ARM architecture
vectorization for increased fine-grain Data Level Parallelism (DLP) to allow more work done per instruction. SVE2 aims are stated in marketing material
AArch64
Spanish computer architect
multithreading, and for pioneering basic new approaches to instruction-level parallelism" (the highest international honour in the field of computer
Mateo_Valero
Hardware
due to the instruction-level parallelism (ILP) and how much of it can be overlapped with other cache misses due to memory-level parallelism. If we ignore
Cache performance measurement and metric
Cache_performance_measurement_and_metric
RISC instruction set architecture
project, running from mid-1984 until January 1988 which explored instruction-level parallelism, shared memory multiprocessing, explicit cache management, high-performance
DEC_PRISM
Type of consistency in programming which is based synchronization
quite restrictive in terms of performance as they would disable instruction level parallelism which is widely applied in sequential programming. To achieve
Release_consistency
Process to determine relationships among statements
5. John, Hennessy; Patterson, David (2012). "Chapter Three Instruction-Level Parallelism and Its Exploitation". Computer Architecture A Quantitative
Loop_dependence_analysis
Instructions for the x86 microprocessors
Increases parallelism and throughput in floating-point SIMD calculations. Reduces register load due to the non-destructive instructions. Improves Linux
Advanced_Vector_Extensions
Overview of computer engineering topics
cache Instruction set Orthogonal instruction set Classic RISC pipeline Reduced instruction set computing Instruction-level parallelism Instruction pipeline
Computer engineering compendium
Computer_engineering_compendium
Computer memory management instruction
address. This is performed by the PREFETCH instruction in the x86 instruction set. Some variants bypass higher levels of the cache hierarchy, which is useful
Cache_control_instruction
Parallel processing computers
Thomas Gross, Guei-Yuan Lueh and James Reinders. Modeling Instruction-Level Parallelism for Software Pipelining. In Proceedings of the IFIP WG10.3 Working
WARP_(systolic_array)
INSTRUCTION LEVEL-PARALLELISM
INSTRUCTION LEVEL-PARALLELISM
INSTRUCTION LEVEL-PARALLELISM
INSTRUCTION LEVEL-PARALLELISM
INSTRUCTION LEVEL-PARALLELISM
INSTRUCTION LEVEL-PARALLELISM
INSTRUCTION LEVEL-PARALLELISM
INSTRUCTION LEVEL-PARALLELISM
INSTRUCTION LEVEL-PARALLELISM