Abstract: According to one aspect of the present disclosure, a processor is disclosed. The processor may include a plurality of registers. The plurality of registers may include a first set of registers associated with a regular mode thread. The plurality of registers may also include a second set of registers associated with an interrupt service thread. The processor may also include a processing core. The processing core may be configured to perform first operations associated with the regular mode thread. The processing core may be configured to receive an interrupt service signal associated with the interrupt service thread. In response to the interrupt service signal, the processing core may be configured to implement a zero-cycle context switch to perform second operations associated with the interrupt service thread using the second set of registers.

Abstract: A design method for a fixed-point and floating-point adder includes: S1, performing fixed-point and floating-point identification by a shared mantissa addition module; S2, for fixed-point numbers, performing low-bit calculation in the shared mantissa addition module; configuring a fixed-point number processing module, saving a carry of a highest bit in low-bit calculation results, and transmitting the saved carry to the fixed-point number processing module to obtain a fixed-point number addition result; S3, for floating-point numbers, performing calculation, in the shared mantissa addition module, on mantissas of the floating-point numbers, configuring a floating-point number processing module, and performing exponent matching and normalization on exponents of the floating-point numbers to obtain a normalized result; obtaining a floating-point number addition result according to sign bits of the floating-point numbers, the exponents subjected to the exponent matching and the normalized result; and S4, transmi

Abstract: A method for constructing a fishbone H-clock tree suitable for a high-speed interface module includes the following steps: S1, setting an instance of a clock tree by means of an EDA tool, and eliminating existing definitions; S2, setting a root node, a non-default routing rule and multiple TAP nodes; S3, creating an H-clock tree, and performing H-clock tree synthesis, wherein the H-clock tree synthesis includes: introducing multiple intermediate nodes between the root node and the TAP nodes, editing a clock network between the root node and the TAP nodes by means of an innovus script, and deleting each redundant intermediate node to obtain a structure of a fishbone H-clock tree; mounting multiple sinks on each TAP node, and defining the TAP nodes in a same source group by means of the EDA tool; and performing routing according to the non-default routing rule to complete construction.

Abstract: A method for implementing timing closure of an ultra-large-scale SOC based on module division includes the following steps: S1, acquiring timing data of a full chipset, and dividing an SOC into three modules; S2, reading lib, lef, netlist and def in each module, determining each specific module requiring timing recovery and each prototype module not requiring timing recovery, reading lib and lef in each specific module, and reading netlist and def in each prototype module; S3, creating multiple process corners and acquiring timing data of each process corner, and back-annotating and reading netlist and def out of the multiple process corners corresponding to each specific module to determine an attribute-maintained part and a to-be-recovered part; and setting the attribute-maintained part and each prototype module to be in a not-to-be-recovered state; and S4, sending out a timing recovery command, and performing timing violation fixing on the to-be-recovered part.

Abstract: A format conversion and application method for SOC DFT burn-in vectors includes: S1, generating multiple original vectors in an STIL format, and setting a timeplate corresponding to each original vector; performing primary simulation, and preliminarily modulating each original vector according to a simulation result; S2, converting, by a format conversion tool, each original vector into a vector in a flat format; S3, according to each format feature, extracting corresponding vector data, and performing character substitution; S4, aligning data bits within a fixed length of the vector data subjected to character substitution, adding a corresponding data flag field at the end of each piece of vector data, and splicing all the vector data to form a complete stimulus data source; and S5, loading, by a test tool, the stimulus data source to carry out a burn-in test. The method can carry out a burn-in test quickly by vector format conversion.

Abstract: An RVV1.0 extension-based FFT butterfly operation method for complex sequences includes the following steps: S1, in one stage of an FFT butterfly operation, acquiring data to be processed; S2, based on a standard vector structure of RVV1.0, defining an extended instruction I in a reserved instruction code space of an RISC-V architecture to obtain first data of a multiply-add operation; S3, defining an extended instruction II to obtain second data of the multiply-add operation, and adding the second data and the first data to obtain a multiply-add operation result; S4, defining an extended instruction III to obtain a multiply-subtract operation result; S5, storing a result in a vector register as an operation result of the stage; and S6, if there is a next stage, performing the next stage, and returning to S1; or, if there is not a next stage, ending the FFT butterfly operation.

Abstract: A microwave drill bit capable of achieving fracturing of a borehole wall and end of a deep hard rock while drilling and a use method thereof are provided. The microwave drill bit comprises a microwave drill bit body, wherein a support frame front plate, a metal sleeve and a water inlet ring sequentially sleeve on the microwave drill bit body, the metal sleeve is connected with a rotary drive I mounted on the support frame front plate, the microwave drill body is connected with a microwave mode converter and a microwave splitter II respectively, the microwave mode converter and the microwave splitter II are connected with a microwave splitter I by a rectangular waveguide, the microwave splitter I is sequentially connected with a microwave rotating joint, a fixed waveguide and a microwave generator, and the microwave rotating joint is connected with a rotary drive II mounted on the support frame rear plate.

Abstract: A microwave drill bit capable of achieving fracturing of a borehole wall and end of a deep hard rock while drilling and a use method thereof are provided. The microwave drill bit comprises a microwave drill bit body, wherein a support frame front plate, a metal sleeve and a water inlet ring sequentially sleeve on the microwave drill bit body, the metal sleeve is connected with a rotary drive I mounted on the support frame front plate, the microwave drill body is connected with a microwave mode converter and a microwave splitter II respectively, the microwave mode converter and the microwave splitter II are connected with a microwave splitter I by a rectangular waveguide, the microwave splitter I is sequentially connected with a microwave rotating joint, a fixed waveguide and a microwave generator, and the microwave rotating joint is connected with a rotary drive II mounted on the support frame rear plate.

Abstract: Provided is a use method of a gravity double-tube microwave-assisted grinding device capable of controlling ore thickness. The method comprises the following steps: step 1, estimating a metal mineral content of ores; step 2, calculating a penetration depth of the ores, step 3, determining a feeding size; step 4, determining a material thickness; step 5, determining a discharging speed Vp0; step 6, determining whether the gravity double-tube microwave-assisted grinding device capable of controlling ore thickness adopts a single-tube structure or a double-tube structure; and step 7, conveying the ores, performing heating, optimizing material parameters of the ores, and optimizing microwave parameters.

Abstract: According to one aspect of the present disclosure, a processor is disclosed. The processor may include a plurality of registers. The plurality of registers may include a first set of registers associated with a regular mode thread. The plurality of registers may also include a second set of registers associated with an interrupt service thread. The processor may also include a processing core. The processing core may be configured to perform first operations associated with the regular mode thread. The processing core may be configured to receive an interrupt service signal associated with the interrupt service thread. In response to the interrupt service signal, the processing core may be configured to implement a zero-cycle context switch to perform second operations associated with the interrupt service thread using the second set of registers.

Abstract: A method for improving an accuracy of a loop branch prediction algorithm by a bypass circuit, comprising: adding a bypass circuit to a loop branch prediction algorithm; and for three pcs entering a pipeline, enabling pc1 fetched in an if0 stage to enter a hybrid branch predictor, and registering pc1; obtaining branch prediction information in an if1 stage, and making a comparison in an if2 stage to obtain a prediction result, registering the prediction result obtained in the if2 stage, and processing pc2 and pc3 in a same way.

Abstract: Provided is a test system for hard rock breaking by a microwave intelligent loading based on true triaxial stress, including: a true triaxial stress loading device consisting of a loading frame and a rock sample moving structure; a microwave-induced hard rock breaking device consisting of an excitation cavity, a rectangular waveguide, a magnetron, a thermocouple, a circulator, a cold water circulation device, a flowmeter, a power meter, an automatic impedance tuner, a coupler, a microwave heater and a shielding cavity; and a dynamic rock response monitoring and intelligent microwave parameter control system consisting of a CCD industrial camera, a temperature acquisition device and an anti-electromagnetic high-temperature resistant acoustic wave-acoustic emission integrated sensor.

Abstract: The invention relates to a low-power microwave coring machine suitable for lunar rocks and a use method. The low-power microwave coring machine suitable for lunar rocks comprises an equipment platform, wherein the support framework front plate and the support framework rear plate are mounted on the equipment platform in a sliding manner, a rear end surface of the support framework rear plate is connected with a front end of the microwave generator mounted on the equipment platform, a rear end of the microwave generator is sequentially connected with the fixed waveguide, the rotary waveguide, the power divider and the drill drum, the high-precision slip ring structure is mounted on the drill drum, the gear ferrules are arranged on an outer wall of the rotary waveguide and an outer wall of the drill drum.

Abstract: A method for improving an accuracy of a loop branch prediction algorithm by a bypass circuit, comprising: adding a bypass circuit to a loop branch prediction algorithm; and for three pcs entering a pipeline, enabling pc1 fetched in an if0 stage to enter a hybrid branch predictor, and registering pc1; obtaining branch prediction information in an if1 stage, and making a comparison in an if2 stage to obtain a prediction result, registering the prediction result obtained in the if2 stage, and processing pc2 and pc3 in a same way.

Abstract: A microwave-mechanical fluidization mining system and a mining method for metal mines. The microwave-mechanical fluidization mining system comprises a microwave pre-splitting mechanical mining system, a microwave separation system, a high-power microwave focused melting system and a goaf, wherein ore-waste rock mixtures mined by the microwave pre-splitting mechanical mining system are transported to the microwave separation system through a conveyor and an elevator on the microwave pre-splitting mechanical mining system, separated ores are transported to the high-power microwave focused melting system, and separated waste rocks are transported through a conveyor to the goaf for filling. Microwave pre-splitting mechanical mining is adopted instead of a traditional blasting mining method to increase an excavation speed and avoid the influence of blasting on the stability of surrounding rocks.

Abstract: The invention provides a microwave plasma adaptive rock breaking device for microwave-insensitive rocks and a using method thereof, and relates to the technical field of rock breaking. The microwave plasma adaptive rock breaking device comprises a microwave system, a microwave plasma conversion system and a cutter head system. The microwave system and the microwave plasma conversion system are mounted in the cutter head system, and the microwave system is connected with the microwave plasma conversion system. Under the premise that only a microwave source is used to supply energy, the combined action of ordinary microwave irradiation and plasma irradiation in the form of high-temperature flame is realized, and a full-section hard rock tunnel boring machine is in cooperation for breaking rocks, so that the problem of microwave-induced cracks of the microwave-insensitive rocks is solved, and the application scope of a microwave rock breaking technology is enlarged.

Abstract: The invention relates to a microwave-mechanical fluidization mining system and a mining method for metal mines. The microwave-mechanical fluidization mining system comprises a microwave pre-splitting mechanical mining system, a microwave separation system, a high-power microwave focused melting system and a goaf, wherein ore-waste rock mixtures mined by the microwave pre-splitting mechanical mining system are transported to the microwave separation system through a conveyor I and an elevator on the microwave pre-splitting mechanical mining system, separated ores are transported to the high-power microwave focused melting system, and separated waste rocks are transported through a conveyor V to the goaf for filling. Microwave pre-splitting mechanical mining is adopted instead of a traditional blasting mining method to increase an excavation speed and avoid the influence of blasting on the stability of surrounding rocks.

Abstract: The invention provides a microwave plasma adaptive rock breaking device for microwave-insensitive rocks and a using method thereof, and relates to the technical field of rock breaking. The microwave plasma adaptive rock breaking device comprises a microwave system, a microwave plasma conversion system and a cutter head system. The microwave system and the microwave plasma conversion system are mounted in the cutter head system, and the microwave system is connected with the microwave plasma conversion system. Under the premise that only a microwave source is used to supply energy, the combined action of ordinary microwave irradiation and plasma irradiation in the form of high-temperature flame is realized, and a full-section hard rock tunnel boring machine is in cooperation for breaking rocks, so that the problem of microwave-induced cracks of the microwave-insensitive rocks is solved, and the application scope of a microwave rock breaking technology is enlarged.

Abstract: Provided is a use method of a gravity double-tube microwave-assisted grinding device capable of controlling ore thickness. The method comprises the following steps: step 1, estimating a metal mineral content of ores; step 2, calculating a penetration depth of the ores, step 3, determining a feeding size; step 4, determining a material thickness; step 5, determining a discharging speed Vp0; step 6, determining whether the gravity double-tube microwave-assisted grinding device capable of controlling ore thickness adopts a single-tube structure or a double-tube structure; and step 7, conveying the ores, performing heating, optimizing material parameters of the ores, and optimizing microwave parameters.

Abstract: Provided is a test system for hard rock breaking by a microwave intelligent loading based on true triaxial stress, including: a true triaxial stress loading device consisting of a loading frame and a rock sample moving structure; a microwave-induced hard rock breaking device consisting of an excitation cavity, a rectangular waveguide, a magnetron, a thermocouple, a circulator, a cold water circulation device, a flowmeter, a power meter, an automatic impedance tuner, a coupler, a microwave heater and a shielding cavity; and a dynamic rock response monitoring and intelligent microwave parameter control system consisting of a CCD industrial camera, a temperature acquisition device and an anti-electromagnetic high-temperature resistant acoustic wave-acoustic emission integrated sensor.