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Working storage in a computer processor
A register file is an array of addressable registers which has two or more ports that allow concurrent reading and writing of registers in the array.
Register_file
Quickly accessible working storage available as part of a digital processor
architectures (such as SPARC and MIPS), the first or last register in the integer register file is a pseudo-register in that it is hardwired to always return zero
Processor_register
Type of computer
stack of limited size, implemented as a register file. The ALU will access this with an index. A large register file uses a lot of transistors and hence this
Stack_machine
Technique that abstracts logical registers from physical registers
possible. The collection of registers in a particular design is known as its register file. Individual registers in the file are referred to by number in
Register_renaming
Instruction pipeline
presented to the register memory, as the address. Thus the two registers named are read from the register file. In the MIPS design, the register file had 32 entries
Classic_RISC_pipeline
Computer vulnerability using speculative execution
Retrieved 2024-03-14. "Register File Data Sampling". Intel. Retrieved 2024-03-15. "The Performance Impact Of Intel's Register File Data Sampling". www.phoronix
Transient execution CPU vulnerability
Transient_execution_CPU_vulnerability
Combinational digital circuit
from memory. The ALU result may be written to any register in the register file (via the register file's write port) or to memory. In integer arithmetic
Arithmetic_logic_unit
Computer resource for recording data on a storage device
several virtual "files" on one storage device is the origin of the contemporary denotation of the word. Although the contemporary "register file" demonstrates
Computer_file
Instruction set designed by Intel
XMM register file. SSE2 also allowed the MMX operation codes (opcodes) to use XMM register operands, extended to even wider YMM and ZMM registers by later
MMX_(instruction_set)
Instructions for the x86 microprocessors
VS2010 version, YASM, FASM and JWASM. AVX adds new register-state through the 256-bit wide YMM register file, so explicit operating system support is required
Advanced_Vector_Extensions
Microprocessing technique
prediction. The principal hardware cost is a means of checkpointing the register file state. Typically, runahead processors will also contain a small additional
Runahead
Research project into RISC-based microprocessor design
instructions and a register file containing 78 32-bit registers. This allowed for six register windows containing 14 registers. Of those 14 registers, 4 were overlapped
Berkeley_RISC
8-bit microprocessor
register file is often referred to as the "alternate register set" (by some, the "primed" register file since the apostrophe character is used to denote them
Zilog_Z80
Classification of computer architectures
now more typically the register file. Associative processor – These receive the one (same) instruction but in addition a register value from the control
Flynn's_taxonomy
Type of computer processor design
result to the register file can be eliminated, thus reducing both the register file port pressure and freeing a general-purpose register for other temporary
Transport triggered architecture
Transport_triggered_architecture
64-bit RISC instruction set architecture
implementations to omit the floating-point register file containing the floating-point registers. A split register file was also determined to be more suitable
DEC_Alpha
Family of instruction set architectures
each of the YMM registers maps onto the corresponding XMM register. SIMD registers ZMM0–ZMM31. Lower half of each of the ZMM registers maps onto the corresponding
X86
MIPS microprocessor
the register file is read. The MIPS III defines two register files, one for the integer unit and the other for floating-point. Each register file is 64
R4000
RISC microprocessor
two integer register files. Each integer register file contained 80 entries, of which 32 are architectural registers, 40 are rename registers and 8 are
Alpha_21264
Computing paradigm to improve computational efficiency
instructions have their results written back to the register file, then this result is written back to the register file. This is called the graduation or retire
Out-of-order_execution
Series of GPUs by Nvidia
bandwidth for both the register file and the L2 cache over previous models, are seen. At the SMX level, GK110's register file space has increased to 256KB
GeForce_700_series
Microprocessor developed by Sun Microsystems
number of registers is 144. The register file has seven read and three write ports. The integer register file provides registers to two arithmetic logic units
UltraSPARC
MIPS microprocessor
of which 32 are architectural registers and 32 are rename registers which implement register renaming. The register file has seven read ports and three
R10000
Microprocessor designed by Fujitsu
floating-point instructions. The integer register file has eight register windows. The JWR (Joint Work Register) contains 64 entries and has eight read
SPARC64_V
Computer chip instruction set extension
64-bit float) entirely with the XMM vector-register file, without the need to use the legacy MMX or FPU registers. It offers an orthogonal set of instructions
Streaming_SIMD_Extensions
Files on Jeffrey Epstein and his affiliates
The Epstein files are a partially released collection of millions of documents, images, videos, and emails related to the activities of American financier
Epstein_files
Educational computer assembly language
bits for its registers and uses a 16-bit addressable memory with a 216-location address space. The register file contains eight registers, referred to
Little_Computer_3
Family of RISC-based computer architectures
instructions employed a distinct register file of sixteen 32-bit registers, with some instructions combining registers for use as 48-bit accumulators and
ARM_architecture_family
CPU optimization technique to improve instruction-level parallelism
write a result to the register file and then read it back for the subsequent instruction. To improve performance, the register file write/read is bypassed
Operand_forwarding
File format and file archiver program
tar is a file format and a file archiver program. The program combines multiple files into a single archive file in the tar file format. It was originally
Tar_(computing)
Binary file format
systemd's systemd-binfmt.service. An executable file type can be added by writing a line to the register file, of the form: :name:type:offset:magic:mask:interpreter:flags
Binfmt_misc
CPU architecture feature to improve performance
its own register file, containing (say) 256 physical general-purpose registers. Each thread spawned on a core then accesses its own register window with
Register_window
BitTorrent-related file format
In the BitTorrent file distribution system, a torrent file or meta-info file is a computer file that contains metadata about files and folders to be distributed
Torrent_file
Type of computer memory
hundred megabytes, the registers and parts of the state-machines used in CPUs, GPUs, chipsets and peripherals (see register file), scratchpad memory,
Static_random-access_memory
Microprocessor chipset
after the load. Results are written to the integer register file in stage five. The integer register file has nine read ports and four write ports. Four read
R8000
Instruction set architecture by Hitachi
32-bit architecture. Using smaller instructions had consequences: the register file was smaller and instructions were generally two-operand format. However
SuperH
List of persons who are eligible to vote in a particular electoral district
An electoral roll (variously called an electoral register, voters roll, voters list, poll book or other description) is a compilation that lists citizens
Electoral_roll
the general-purpose register file in the third stage. The ROMP used a bypass network and appropriately scheduled the register file reads and writes to
IBM_ROMP
Family of computer microprocessors
which comprises the register file, arithmetic logic unit (ALU), barrel shifter, multiplier and condition code logic. The register file had three read ports
StrongARM
Instruction scheduling method
dependencies (RAW) have been dropped from all other Units. To avoid Register File Port contention, a Priority Picker selects one Computational Unit (in
Scoreboarding
CPU's internal components except the control unit
three-internal-bus structure. Many relatively simple CPUs have a 2-read, 1-write register file connected to the 2 inputs and 1 output of the ALU. During the late 1990s
Datapath
1998 family of microprocessors by IBM
the register files. The general-purpose register file contains 48 registers, of which 32 are general-purpose registers and 16 are rename registers for
POWER3
RISC processor architecture
the register NPC is used to hold the next sequential PC. ID – Instruction Decode unit Operation: Decode the instruction and access the register file to
DLX
Type of simple executable file
A COM file is a type of simple executable file. On the Digital Equipment Corporation (DEC) VAX operating systems of the 1970s, .COM was used as a filename
COM_file
RISC instruction set architecture
the floating-point register file has 16 double-precision registers. Each of them can be used as two single-precision registers, providing a total of
SPARC
Digital multimedia format for storing video and audio
MPEG-4 Part 14 files through private streams. A separate hint track is used to include streaming information in the file. The registered codecs for MPEG-4
MP4_file_format
Type of paper filing system
Index Visible System. The ACME Visual File system was manufactured in Crozet, Virginia. Card catalog – Register of bibliographic itemsPages displaying
Visible_file
Register in a computer's CPU
A memory buffer register (MBR) or memory data register (MDR) is the register in a computer's CPU that stores the data being transferred to and from the
Memory_buffer_register
64-bit extension of x86 architecture
traditional x87 FPU register stack is not included in the register file size extension in 64-bit mode, compared with the XMM registers used by SSE2, which
X86-64
Component of computer engineering
microarchitectural elements such as the arithmetic and logic unit and the register file as a single schematic symbol. Typically, the diagram connects those
Microarchitecture
Parallel computing execution model
to imagine a multi-core (MIMD) system, where each core has its own register file, its own ALUs (both SIMD and scalar) and its own data cache, but that
Single instruction, multiple threads
Single_instruction,_multiple_threads
Interface to software defined in terms of in-process, machine code access
covered by an ABI include: Processor instruction set, with details like register file structure, memory access types, etc. Size, layout, and alignment of
Application_binary_interface
Scheduling algorithm, the first piece of data inserted into a queue is processed first
allow concurrent FIFO read and write operations, and consists of a register file or dual-ported RAM (random access memory). FINO Leaky bucket approach
FIFO (computing and electronics)
FIFO_(computing_and_electronics)
4-bit microprocessor introduced in 1974 by Intel
to 60 instructions from the original 46. Additionally, the internal register file and pushdown stack were expanded to support rapid interrupt processing
Intel_4040
Topics referred to by the same term
distance between bits in a parallel integrated circuit element such as a register file Dot pitch in images Pin pitch, the distance between centers of pins
Pitch
Line of single-chip microprocessors from Microchip Technology
writing an address to the FSR (file select register), the INDF (indirect f) register becomes an alias for the addressed register. If banked RAM is implemented
PIC_microcontrollers
Proprietary file system developed by Microsoft
NT File System (NTFS) is a proprietary journaling file system developed by Microsoft in the 1990s. It was developed to overcome scalability, security
NTFS
Family of file formats
The Office Open XML file formats are a set of file formats that can be used to represent electronic office documents. There are formats for word processing
Office_Open_XML_file_formats
Binary arithmetic algorithm
memory latency, while limiting register usage can improve performance due to dynamic partitioning of the register file. The XOR swap algorithm is therefore
XOR_swap_algorithm
Topics referred to by the same term
PRF may refer to: Physical register file, in CPU design Platelet rich fibrin Pontine reticular formation Positive-real function in mathematics Programmed
PRF
Aspect of the instruction set architecture of CPUs
architectures support PC-relative addressing by having the PC in the register file. The IBM z/Architecture includes specific instructions, e.g., Load Relative
Addressing_mode
Circuit components acting like computer memory
buffers (or both) are used to route register outputs onto shared buses. Common examples of this include register files, peripheral interfaces and multiplexed
Hardware_register
could hold the needed microprogram for a processor. The register file consists of 26 8-bit registers. Ten may be addressed directly by the microinstruction
MCP-1600
SIMD instruction set extension for the PowerPC ISA
Research Implementing instruction set architectures with non-contiguous register file specifiers US Patent 7,421,566 "Workload acceleration with the IBM POWER
AltiVec
Family of microcontrollers
FPSLIC AVR/FPGA chips. The data address space consists of the register file, I/O registers, and SRAM. Some small models also map the program ROM into the
AVR_microcontrollers
Microcontroller for automotive engine control unit
enhanced instruction set, additional register space, and a much-enhanced I/O. As a result, the 8065 had a register file from address 0020H to 03FFH, addressable
Intel_8061
People in files on Jeffrey Epstein
The Epstein files comprise over six million pages of documents detailing the activities of American financier and convicted child sex offender Jeffrey
List of people named in the Epstein files
List_of_people_named_in_the_Epstein_files
Multi-chip CPU by IBM implementing the POWER instruction set architecture
floating-point register file is also located on the FPU chip. It contains 32 64-bit floating-point registers, six rename registers and two registers that are
POWER1
decoder, larger out-of-order core and renamed register, support loop stream detector and large shadow register file. Penryn: 45 nm shrink of the Core microarchitecture
List of Intel CPU microarchitectures
List_of_Intel_CPU_microarchitectures
Interface to device driver that appears in filesystem
a device file, device node, or special file is an interface to a device driver that appears in a file system as if it were an ordinary file. There are
Device_file
CPU register used for modifying operand addresses
STAR-100 has a register file of 256 64-bit registers, 9 of which are reserved. Unlike most computers, the STAR-100 instructions only have register fields and
Index_register
Microprocessor
was determined by the number of read and write ports in the integer register file. The 21064 could issue: an integer operate with a floating-point operate
Alpha_21064
Extensions to the x86 instruction set architecture
AMX-COMPLEX also add support for real and complex FP16 numbers. The register file consists of 8 tiles, each with 16 rows of size of 64 bytes (32 BF16/FP16
Advanced_Matrix_Extensions
is designed to exploit the behaviour of temporary data: a cache or register file may contain temporaries internally to a microprocessor, such that they
Temporary_variable
Microprocessor core
Support for the SPE (Signal Processing Engine) extensions. The integer register file is extended to a width of 64-bits. The non-SPE instructions only access
PowerPC_e500
MacOS subsystem for filesystem monitoring
changed. Mac OS X 10.7 (Lion) added the ability to register for file modification notifications. inotify File Alteration Monitor Spotlight (software) "Leopard
FSEvents
Image file format with multiple editions
The JPEG File Interchange Format (JFIF) is an image file format standard published as ITU-T Recommendation T.871 and ISO/IEC 10918-5. It defines supplementary
JPEG_File_Interchange_Format
Microprocessor
instruction whose result they depend on. The integer register file contained forty 64-bit registers, of which thirty-two are specified by the Alpha Architecture
Alpha_21164
Abstract data type
random access to the register file for all (two or three) operands. A stack structure also makes superscalar implementations with register renaming (for speculative
Stack_(abstract_data_type)
is stalled by a cache miss, the processor pipeline checkpoints the register file, switches to runahead mode, and continues to issue instructions from
Hardware_scout
Microprocessor chipset
consists of a register file, a 32-bit program counter, a constant generator, a shifter and an arithmetic logic unit (ALU). The register file contains 31
CVAX
Intel CPU microarchitecture launched in 2019
(10-way, up from 8-way) 1.55x larger integer register file (280-entry, up from 180) 1.33x larger vector register file (224-entry, up from 168) Distributed scheduling
Sunny Cove (microarchitecture)
Sunny_Cove_(microarchitecture)
Intel SIMD processor supplementary instruction sets introduced by Intel
the emms instruction (C: _mm_empty()) to restore operation to the x87 register file. On some operating systems, x87 is not used very much, but may still
SSE2
Microprocessor developed by Fujitsu
stage, one instruction was decoded, and its operands read from its register file. Execution began in stage three. The TurboSPARC had an integer unit
TurboSPARC
made use of a new structure: the register cache. The register cache was not meant to mitigate the three tick register file latency (as some reports have
Alpha_21464
Family of chemical file formats
Dassault Group. The CT file is an open format. BIOVIA publishes its specification. BIOVIA requires users to register to download the CT file format specifications
Chemical_table_file
File hosting and synchronization service operated by Microsoft
Microsoft OneDrive is a file-hosting service operated by Microsoft. First released as SkyDrive in August 2007, it allows registered users to store, share
OneDrive
Structure of information stored on a computer
A file format is the way that information is encoded for storage in a computer file. It may describe the encoding at various levels of abstraction including
File_format
Form of conditionals in computer programming
and be penalized. An extra register read is required. A non-predicated ADD would read two registers from a register file, where a Predicated ADD would
Predication (computer architecture)
Predication_(computer_architecture)
GPU microarchitecture by Nvidia
increased from 32 per each of 16 SMs to 192 per each of 8 SMX; the register file was only doubled per SMX to 65,536 x 32-bit for an overall lower ratio;
Kepler_(microarchitecture)
Computer architecture hardware algorithm
floating-point-register, allowing multiple units waiting on a result to proceed without waiting to resolve contention for access to register file read ports
Tomasulo's_algorithm
Concept in computer architecture and processor design
has a register fetch stage near the beginning of the pipeline which reads the register operands of the instruction from the physical register file and a
Replay_system
Layer of hardware-level instructions or data structures
processed. In most designs, additional high-performance memory, the register file, is used to store temporary values, not just those needed by the current
Microcode
Family of very long instruction word processor cores
general register file (64 x 32-bit) or to the branch register file (8 x 1-bit). General register $r0 always reads as zero, while general register $r63 is
ST200_family
32-Bit Minicomputer
complement operation (DSK). The large register file, lack of microcode, and emphasis on fast register-to-register operations led to claims that the Nord-5
Nord-5
Method of CPU communication
that device, connecting the system bus to the desired device's hardware register, or uses a dedicated bus. To accommodate the I/O devices, some areas of
Memory-mapped I/O and port-mapped I/O
Memory-mapped_I/O_and_port-mapped_I/O
Microcontroller machine language
are registers in the range R16–R31 (high half) Rdq and Rrq are registers in the range R16–R23 (one quarter of the register file) Rp is a register pair
Atmel_AVR_instruction_set
Problems with central processing unit design
bold, while Register numbers are not. For example, to write the value 3 to register 1, (which already contains a 6), and then add 7 to register 1 and store
Hazard (computer architecture)
Hazard_(computer_architecture)
Native file system of the BeOS operating system
The Be File System (BFS) is the native file system for the BeOS. In the Linux kernel, it is referred to as "BeFS" to avoid confusion with Boot File System
Be_File_System
Microprocessor microarchitecture
pipeline. This technique is used to effectively increase the total register file size than that specified in the ISA to programmers, and to eliminate
Latency oriented processor architecture
Latency_oriented_processor_architecture
REGISTER FILE
REGISTER FILE
Boy/Male
Tamil
Ahalyashapashamana | அஹலà¯à®¯à®¾à®·à®¾à®ªà®·à®¾à®®à®¾à®‚நா
Remitter of ahalyas curse
Ahalyashapashamana | அஹலà¯à®¯à®¾à®·à®¾à®ªà®·à®¾à®®à®¾à®‚நா
Surname or Lastname
English
English : perhaps from Middle English, Old French registre ‘register’, ‘book for recording enactments’, hence perhaps a metonymic occupational name for a scribe or clerk.
Boy/Male
Arabic, Muslim
Reviser; Restore
Boy/Male
Arabic
Reader; Reciter
Boy/Male
Tamil
Sukarman | ஸà¯à®•à®°à¯à®®à®¨
Reciter of samhitas
Sukarman | ஸà¯à®•à®°à¯à®®à®¨
Girl/Female
Indian
Reviser, Teacher, Fem of mu
Boy/Male
Arabic
Reciter of Holy Quran
Boy/Male
Arabic, Muslim
A Quran Reciter of Basrah
Boy/Male
Arabic
Reader; Reciter
Girl/Female
Indian
Narrator, Reciter, Transmit
Surname or Lastname
English
English : variant of Lester.German : occupational name for a maker of lasts or a cobbler, from Middle High German leist + the agent suffix -er.
Surname or Lastname
English (Norfolk)
English (Norfolk) : see Register.
Girl/Female
Arabic, Australian, Muslim
Narrator; Reciter; Transmitter
Boy/Male
Indian
Group; Register of Things
Boy/Male
Hindu
Reciter of samhitas
Girl/Female
Muslim
Narrator, Reciter, Transmit
Boy/Male
Indian
Remitter of ahalyas curse
Girl/Female
Muslim
Reviser, Teacher, Fem of mu
Boy/Male
Arabic, Muslim
Reciter of the Holy Quran
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Reciter of 1000 Samhitas
REGISTER FILE
REGISTER FILE
Girl/Female
Tamil
Exceptionally new
Boy/Male
Muslim/Islamic
Fortunate blessed
Boy/Male
Latin
He who loves God. Famous Bearer: late composer Wolfgang Amadeus Mozart.
Boy/Male
Hindu, Indian
The Learned One who Shows the Way
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Lord Vishnu; An Ancient King
Female
Arthurian
, alive (an enchantress).
Girl/Female
Hindu, Indian, Malayalam
Gold
Girl/Female
Tamil
Sriarputha | à®·à¯à®°à¯€à®…à®°à¯à®ªà¯à®¤à®¾
Girl/Female
Hindu, Indian, Tamil
Like a Queen
Girl/Female
Tamil
REGISTER FILE
REGISTER FILE
REGISTER FILE
REGISTER FILE
REGISTER FILE
n.
The correspondence or adjustment of the several impressions in a design which is printed in parts, as in chromolithographic printing, or in the manufacture of paper hangings. See Register, v. i. 2.
v. t.
To register; to enter, as in a register.
n.
A register of months.
n.
One who registers; a recorder; a keeper of records; as, a registrar of births, deaths, and marriages. See Register, n., 3.
n.
One who registers or records; a registrar; a recorder; especially, a public officer charged with the duty of recording certain transactions or events; as, a register of deeds.
n.
A register.
n.
The office of a register.
p. pr. & vb. n.
of Register
v. i.
To enroll one's name in a register.
n.
The place where a register is kept.
n.
To enter in a register; to record formally and distinctly, as for future use or service.
v. t.
To register.
imp. & p. p.
of Register
v. i.
To correspond in relative position; as, two pages, columns, etc. , register when the corresponding parts fall in the same line, or when line falls exactly upon line in reverse pages, or (as in chromatic printing) where the various colors of the design are printed consecutively, and perfect adjustment of parts is necessary.
v. t.
To register; to enroll or record; to inregister.
v. i.
The compass of a voice or instrument; a specified portion of the compass of a voice, or a series of vocal tones of a given compass; as, the upper, middle, or lower register; the soprano register; the tenor register.
n.
The act of recording or writing in a register; enrollment; registration.
n.
A duplicate book, register, or account, kept to correct or check another account or register; a counter register.
n.
A record; an account; a register.
n.
That which registers or records.