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203:) may execute more than one instruction during a clock cycle by simultaneously dispatching multiple instructions to redundant functional units on the processor. Each functional unit is not a separate CPU core but an execution resource within a single CPU such as an arithmetic logic unit, a bit shifter, or a multiplier. The
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where a single instruction operates simultaneously on multiple data items (and thus is referred to as a single instruction, multiple data (
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A scalar processor is classified as a single instruction, single data (
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172:) processor). The difference is analogous to the difference between
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is an example of a scalar processor. It is to be contrasted with a
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Computer organization and design: the hardware/software interface
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as scalar types, while other languages treat strings as
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336:. New Delhi: Tata McGraw-Hill Pub. Co. p. 11.
57:. Unsourced material may be challenged and removed.
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369:. Waltham, MA: Morgan Kaufmann. p. 650.
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1440:Computer performance by orders of magnitude
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117:Learn how and when to remove this message
334:Advanced microprocessors and interfacing
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283:Some programming languages also treat
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1411:Floating-point operations per second
55:adding citations to reliable sources
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211:today, is a superscalar processor.
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2312:History of general-purpose CPUs
539:Nondeterministic Turing machine
42:needs additional citations for
492:Deterministic finite automaton
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1:
1283:Simultaneous and heterogenous
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2386:. You can help Knowledge by
1967:Integrated memory controller
1949:Translation lookaside buffer
1148:Memory dependence prediction
591:Random-access stored program
544:Probabilistic Turing machine
219:A scalar data type, or just
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1423:Synaptic updates per second
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749:Orthogonal instruction set
519:Alternating Turing machine
507:Quantum cellular automaton
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1464:Graphics processing unit
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1973:Memory management unit
1938:Memory management unit
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1663:Vision processing unit
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142:floating point numbers
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848:Motorola 68000 series
233:Generally, all basic
207:, like many consumer
191:Superscalar processor
2295:Performance per watt
1873:replacement policies
1539:Package on a package
1429:Performance per watt
1333:Pipelined processing
1103:Tomasulo's algorithm
908:Clipper architecture
764:Application-specific
477:Finite-state machine
305:Instruction pipeline
235:primitive data types
51:improve this article
2327:Digital electronics
1980:Instruction decoder
1932:Floating-point unit
1586:Soft microprocessor
1533:System in a package
1108:Reservation station
638:Transport-triggered
332:Ram, Badri (2001).
134:computer processors
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310:Parallel computing
66:"Scalar processor"
18:Scalar (computing)
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1527:Multi-chip module
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813:VISC architecture
695:Secondary storage
611:Microarchitecture
571:Register machines
376:978-0-12-374750-1
343:978-0-07-043448-6
273:Character types (
243:Boolean data type
130:Scalar processors
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734:architectures
729:
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702:Heterogeneous
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653:Memory access
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586:Random-access
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567:
566:Stack machine
564:
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482:with datapath
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405:. Arm Limited
404:
403:Arm Developer
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68: –
67:
63:
62:Find sources:
56:
52:
46:
45:
40:This article
38:
34:
29:
28:
19:
2388:expanding it
2377:
2362:
2352:Chip carrier
2290:Clock gating
2209:Mixed-signal
2106:Write buffer
2083:Control unit
1895:Clock signal
1634:accelerators
1616:Cypress PSoC
1273:Simultaneous
1203:
1090:Out-of-order
722:Neuromorphic
603:Architecture
561:Belt machine
554:Zeno machine
487:Hierarchical
407:. Retrieved
402:
393:
366:
360:
333:
282:
232:
220:
218:
194:
184:
182:
180:arithmetic.
151:
129:
128:
113:
104:
94:
87:
80:
73:
61:
49:Please help
44:verification
41:
2137:Multiplexer
2101:Data buffer
1812:Single-core
1784:bit slicing
1642:Coprocessor
1497:Coprocessor
1378:performance
1300:Cooperative
1290:Speculative
1250:Distributed
1209:Superscalar
1194:Instruction
1162:Parallelism
1135:Speculative
967:System/3x0
839:Instruction
616:Von Neumann
529:Post–Turing
399:"Cortex-M7"
197:superscalar
107:August 2012
2427:Categories
2257:management
2152:Multiplier
2013:Logic gate
2003:Sequential
1910:Functional
1890:Clock rate
1863:Data cache
1836:Components
1817:Multi-core
1805:Core count
1295:Preemptive
1199:Pipelining
1182:Bit-serial
1125:Wide-issue
1070:Structural
992:Tilera ISA
958:MicroBlaze
928:ETRAX CRIS
823:Comparison
668:Load–store
648:Endianness
409:2021-07-03
316:References
77:newspapers
2191:Circuitry
2111:Microcode
2035:Registers
1878:coherence
1853:CPU cache
1711:Word size
1376:Processor
1020:Execution
923:DEC Alpha
901:Power ISA
717:Cognitive
524:Universal
385:746618653
225:composite
205:Cortex-M7
183:The term
162:Intel 486
2129:Datapath
1822:Manycore
1794:variable
1632:Hardware
1268:Temporal
948:OpenRISC
643:Cellular
633:Dataflow
626:modified
352:55946893
299:See also
201:Intel P5
138:integers
2305:Related
2236:Quantum
2226:Digital
2221:Boolean
2119:Counter
2018:Quantum
1779:512-bit
1774:256-bit
1769:128-bit
1612:(MPSoC)
1597:on chip
1595:Systems
1413:(FLOPS)
1226:Process
1075:Control
1057:Hazards
943:Itanium
938:Unicore
896:PowerPC
621:Harvard
581:Pointer
576:Counter
534:Quantum
293:objects
285:strings
91:scholar
2241:Switch
2231:Analog
1969:(IMC)
1940:(MMU)
1789:others
1764:64-bit
1759:48-bit
1754:32-bit
1749:24-bit
1744:16-bit
1739:15-bit
1734:12-bit
1571:Mobile
1487:Stream
1482:Barrel
1477:Vector
1466:(GPU)
1425:(SUPS)
1393:(IPC)
1245:Memory
1238:Vector
1221:Thread
1204:Scalar
1006:Others
953:RISC-V
918:SuperH
887:Power
883:MIPS-X
858:PDP-11
707:Fabric
459:Models
383:
373:
350:
340:
289:arrays
268:double
262:types
258:, the
221:scalar
185:scalar
178:vector
174:scalar
160:. The
93:
86:
79:
72:
64:
2378:This
2297:(PPW)
2255:Power
2147:Adder
2023:Array
1990:Logic
1951:(TLB)
1934:(FPU)
1928:(AGU)
1922:(ALU)
1912:units
1848:Cache
1729:8-bit
1724:4-bit
1719:1-bit
1683:(TPU)
1677:(DSP)
1671:(PPU)
1665:(VPU)
1654:(GPU)
1623:(NoC)
1606:(SoC)
1541:(PoP)
1535:(SiP)
1529:(MCM)
1470:GPGPU
1460:(CPU)
1450:Types
1431:(PPW)
1419:(TPS)
1407:(IPS)
1399:(CPI)
1170:Level
981:S/390
976:S/370
971:S/360
913:SPARC
891:POWER
774:TRIPS
742:Types
264:float
228:value
98:JSTOR
84:books
2384:stub
2275:ACPI
2008:Glue
1900:FIFO
1843:Core
1581:ASIP
1522:CPLD
1517:FPOA
1512:FPGA
1507:ASIC
1360:SPMD
1355:MIMD
1350:MISD
1343:SWAR
1323:SIMD
1318:SISD
1233:Data
1216:Task
1187:Word
933:M32R
878:MIPS
841:sets
808:ZISC
803:NISC
798:OISC
793:MISC
786:EPIC
781:VLIW
769:EDGE
759:RISC
754:CISC
663:HUMA
658:NUMA
381:OCLC
371:ISBN
348:OCLC
338:ISBN
276:char
266:and
247:bool
241:The
209:CPUs
176:and
170:SIMD
154:SISD
140:and
70:news
2270:APM
2265:PMU
2157:CPU
2114:ROM
1885:Bus
1502:PAL
1177:Bit
963:LMC
868:ARM
863:x86
853:VAX
291:or
255:int
53:by
2429::
2204:3D
401:.
379:.
346:.
324:^
295:.
230:.
195:A
144:.
2415:e
2408:t
2401:v
2390:.
443:e
436:t
429:v
412:.
387:.
354:.
279:)
270:)
249:)
245:(
120:)
114:(
109:)
105:(
95:·
88:·
81:·
74:·
47:.
20:)
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