Samsung Electronics Co., Ltd.

Jae-un Park

Suk-jin Kim

Ki-seok Kwon

Do-Hyung Kim

Kang-jin Yoon

Tai-song Jin

Dong-kwan Suh

Jong-hun Lee

Seung-won Lee

Myung-sun Kim

Hyeong-Seok Yu

Jung-uk Cho

Dong-Kwan Suh

Sang-suk Lee

Si-hoon Song

A vector processor is disclosed. The vector processor includes a plurality of register files provided to each of a plurality of single instruction multiple data (SIMD) lanes, storing each of a plurality of pieces of data, and respectively outputting input data to be used in a current cycle among the plurality of pieces of data, a shuffle unit for receiving a plurality of pieces of input data outputted from the plurality of register files, and performing shuffling such that the received plurality of pieces of input data respectively correspond to the plurality of SIMD lanes and outputting the same; and a command execution unit for performing a parallel operation by receiving input data outputted from the shuffle unit.

Vector processor and control method therefor

In a method to execute instructions, at least one instruction executed in a predetermined cycle is acquired based on information included in each of a plurality of instructions, and a code included in the at least one instruction acquired. An instruction is allocated to at least one slot based on the analysis result, and a slot necessary to execute the instruction is selectively used. Accordingly, power consumption of a device using the method may be reduced.

Method and processor for implementing an instruction including encoding a stopbit in the instruction to indicate whether the instruction is executable in parallel with a current instruction, and recording medium therefor

A data input/output unit is provided. The data input/output unit which is connected to a processor, and receives and outputs data in sequence based on a first schedule includes a first input first output (FIFO) memory connected to an external unit and the processor; and a reordering buffer connected to one side of the FIFO memory, and store data outputted from, or inputted to, the FIFO memory in a plurality of buffer regions in sequence, and output data stored in one of the plurality of buffer regions based on a control signal provided from the processor.

Data input/output unit, electronic apparatus, and control methods thereof

An electronic apparatus generating compiled data used in a very long instruction word (VLIW) processor including a plurality of function units is provided. The electronic apparatus includes a storage and a processor configured to control the storage to store the compiled data in which a plurality of VLIW instructions are compiled, identify a VLIW instruction from the compiled data; and update, if a multi-cycle no operation (nop) instruction for the plurality of function units is identified within a cycle corresponding to a latency of the identified VLIW instruction and if an end cycle of another VLIW instruction is within the cycle corresponding to the latency of the identified VLIW instruction, the compiled data by including information on a cycle difference between an end cycle of the identified VLIW instruction and the end cycle of the another VLIW instruction in the multi-cycle nop instruction.

Electronic apparatus, VLIW processor and control methods for updating a multi-cycle no operation (NOP) instruction

Provided are a method and an apparatus for controlling a register of a reconfigurable processor. The power of a register may be efficiently used by obtaining a command for each of a plurality of read ports of the register from a memory, obtaining activation information for each of the plurality of read ports from the obtained command, and determining an address value of each of the plurality of read ports on the basis of the obtained activation information.

Method and apparatus for controlling register of reconfigurable processor, and method and apparatus for creating command for controlling register of reconfigurable processor

Provided are an instruction compression apparatus and method for a very long instruction word (VLIW) processor, and an instruction fetching apparatus and method. The instruction compression apparatus includes: an indicator generator configured to generate an indicator code that indicates an issue width of an instruction bundle to be executed in the VLIW processor, and a number of No-Operation (NOP) instruction bundles following the instruction bundle; an instruction compressor configured to compress the instruction bundle by removing at least one of NOP instructions from the instruction bundle and the NOP instruction bundles following the instruction bundle; and an instruction converter configured to include the generated indicator code in the compressed instruction bundle.

Apparatus and method for compressing instruction for VLIW processor, and apparatus and method for fetching instruction

Provided is a method of managing a register port, the method including performing scheduling on register ports that are used during a plurality of cycles to enable performing of a calculation; encoding data of the register ports according to results of the scheduling, the encoding of the data including, with respect to data of one of the register ports that does not have a schedule during one of the plurality of cycles, equally encoding the data of the one register port during the one cycle with data of an adjacent cycle of the one register port, the adjacent cycle being adjacent to the one cycle; and transmitting results of the encoding to a device that includes the register ports.

Method and apparatus for managing register port

A processor, apparatus and method to use a multiple store instruction based on physical addresses of registers are provided. The processor is configured to execute an instruction to store data of a plurality of registers in a memory, the instruction including a first area in which a physical address of each of the registers is written. An instruction generating apparatus is configured to generate an instruction to store data of a plurality of registers in a memory, the instruction including a first area in which a physical address of each of the registers is written. An instruction generating method includes detecting a code area that instructs to store data of a plurality of registers in a memory, from a program code. The instruction generating method further includes generating an instruction corresponding to the code area by mapping physical addresses of the registers to a first area of the instruction.

Processor, apparatus and method for generating instructions

A reconfigurable processor includes a plurality of mini-cores and an external network to which the mini-cores are connected. Each of the mini-cores includes a first function unit including a first group of operation elements, a second function unit including a second group of operation elements that is different from the first group of operation elements, and an internal network to which the first function unit and the second function unit are connected.

Reconfigurable processor and mini-core of reconfigurable processor

A technology for controlling a reconfigurable processor is provided. The reconfigurable processor dynamically loads configuration data from a peripheral memory to a configuration memory while a program is being executed, in place of loading all compiled configuration data in advance into the configuration memory when booting commences. Accordingly, a reduction in capacity of a configuration memory may be achieved.

Reconfigurable processor and method of reconfiguring the same

Provided is a memory controller that manages memory access requests between the processor and the memory. In response to the memory controller receiving two or more memory access requests for the same area of memory, the memory controller is configured to stall the memory controller and sequentially process the memory access requests.

Memory controller and memory control method

A multiport data cache apparatus and a method of controlling the same are provided. The multiport data cache apparatus includes a plurality of cache banks configured to share a cache line, and a data cache controller configured to receive cache requests for the cache banks, each of which including a cache bank identifier, transfer the received cache requests to the respective cache banks according to the cache bank identifiers, and process the cache requests independently from one another.

Multiport data cache apparatus and method of controlling the same

Provided is a Direct Memory Access (DMA) controller which provides a function of searching for a specific pattern from data being transmitted during DMA transmission. The DMA controller stores at least one pattern value. The DMA controller compares data being transmitted to a pattern value while transmitting the data using a DMA method, and generates, in response to data matching the pattern value being detected, a signal indicating that the data matching the pattern value has been detected. The DMA controller stores an address of the data matching the pattern value in response to the generated signal.

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Seoul, South Korea

Jae-un Park