Energy efficient adaptive data encoding method and circuit
Granted: May 23, 2023
Patent Number:
11658681
Various energy efficient data encoding schemes and computing devices are disclosed. In one aspect, a method of transmitting data from a transmitter to a receiver connected by plural wires is provided. The method includes sending from the transmitter on at least one but not all of the wires a first wave form that has first and second signal transitions. The receiver receives the first waveform and measures a first duration between the first and second signal transitions using a locally…
Hybrid bridged fanout chiplet connectivity
Granted: May 23, 2023
Patent Number:
11658123
A chip for hybrid bridged fanout chiplet connectivity, the chip comprising: a central chiplet; one or more first chiplets each coupled to the central chiplet using a plurality of fanout traces; and one or more second chiplets each coupled to the central chiplet using one or more interconnect dies (ICDs).
Repairable latch array
Granted: May 23, 2023
Patent Number:
11657892
An integrated circuit includes a latch array including a plurality of latches logically configured in rows and columns, a plurality of repair latches operatively coupled to the plurality of latches and latch array built in self-test and repair logic (LABISTRL) coupled to the plurality of latches. In some implementations the LABISTRL configures latches in the array as one or more column serial test shift register, detects one or more defective latches of the plurality of latches based on…
Hardware accelerated convolution
Granted: May 23, 2023
Patent Number:
11657119
A processing device is provided which includes memory configured to store data and a processor configured to determine, based on convolutional parameters associated with an image, a virtual general matrix-matrix multiplication (GEMM) space of a virtual GEMM space output matrix and generate, in the virtual GEMM space output matrix, a convolution result by matrix multiplying the data corresponding to a virtual GEMM space input matrix with the data corresponding to a virtual GEMM space…
Compensation-free phase detection for phase detection autofocus devices
Granted: May 16, 2023
Patent Number:
11653092
Enhanced phase detection for a PDAF sensor includes extracting pixel data from image data, the image data captured from an image capturing device having a phase detection autofocus (PDAF) sensor; extracting one or more features from the pixel data, including removing irrelevant pixel data; and determining a phase difference between the one or more features.
Inset power post and strap architecture with reduced voltage droop
Granted: May 16, 2023
Patent Number:
11652050
A cell layout implemented in an integrated circuit (IC) includes a first plurality of independent power posts in a first metal layer. Each independent power post of the plurality of independent power posts provides a power connection to one device of a plurality of devices within the cell layout. A source or drain of each device of the plurality of devices is connected to one independent power post of the plurality of independent power posts. The IC further includes a plurality of…
Unified ISP pipeline for image sensors with various color filter array and high dynamic range schemes
Granted: May 16, 2023
Patent Number:
11651479
An image processing method and an image processing device is provided. The processing device comprises memory and a processor configured to receive a frame of color filtered image data comprising pixels which are spatially multiplexed according to a plurality of different light exposures, resample the color values as different frames of pixels for the plurality of different light exposures, fuse the resampled frames of pixels for the plurality of different light exposures into a frame of…
Modifying an operating state of a processing unit based on waiting statuses of blocks
Granted: May 16, 2023
Patent Number:
11650650
A processing unit includes a plurality of components configured to execute instructions and a controller. The controller is configured to determine a power consumption of the processing unit, determine a waiting status of the processing unit based on waiting statuses of components, and selectively modify an operating state of the processing unit based on the waiting status and the power consumption of the processing unit. In some cases, the operating state is modified in response to a…
Address-based filtering for load/store speculation
Granted: May 9, 2023
Patent Number:
11645073
Address-based filtering for load/store speculation includes maintaining a filtering table including table entries associated with ranges of addresses; in response to receiving an ordering check triggering transaction, querying the filtering table using a target address of the ordering check triggering transaction to determine if an instruction dependent upon the ordering check triggering transaction has previously been generated a physical address; and in response to determining that the…
Prefetch disable of memory requests targeting data lacking locality
Granted: May 9, 2023
Patent Number:
11645207
A system and method for efficiently processing memory requests are described. A processing unit includes at least a processor core, a cache, and a non-cache storage buffer capable of storing data prevented from being stored in the cache. While processing a memory request targeting the non-cache storage buffer, the processor core inspects a flag stored in a tag of the memory request. The processor core prevents data prefetching into one or more of the non-cache storage buffer and the…
Power delivery system having low- and high-power power supplies
Granted: May 9, 2023
Patent Number:
11644853
A technique for adjusting a power supply for a device is provided. The technique includes detecting a low-power trigger for a device; switching a power supply for the device from a high-power power supply to a low-power power supply; detecting a high-power trigger for a device; and switching a power supply for the device from the low-power power supply to the high-power power supply, wherein the high-power power supply consumes a larger amount of power than the low-power power supply,…
Prefetch disable of memory requests targeting data lacking locality
Granted: May 9, 2023
Patent Number:
11645207
A system and method for efficiently processing memory requests are described. A processing unit includes at least a processor core, a cache, and a non-cache storage buffer capable of storing data prevented from being stored in the cache. While processing a memory request targeting the non-cache storage buffer, the processor core inspects a flag stored in a tag of the memory request. The processor core prevents data prefetching into one or more of the non-cache storage buffer and the…
Address-based filtering for load/store speculation
Granted: May 9, 2023
Patent Number:
11645073
Address-based filtering for load/store speculation includes maintaining a filtering table including table entries associated with ranges of addresses; in response to receiving an ordering check triggering transaction, querying the filtering table using a target address of the ordering check triggering transaction to determine if an instruction dependent upon the ordering check triggering transaction has previously been generated a physical address; and in response to determining that the…
Power delivery system having low- and high-power power supplies
Granted: May 9, 2023
Patent Number:
11644853
A technique for adjusting a power supply for a device is provided. The technique includes detecting a low-power trigger for a device; switching a power supply for the device from a high-power power supply to a low-power power supply; detecting a high-power trigger for a device; and switching a power supply for the device from the low-power power supply to the high-power power supply, wherein the high-power power supply consumes a larger amount of power than the low-power power supply,…
Victim row refreshes for memories in electronic devices
Granted: May 2, 2023
Patent Number:
11640840
An electronic device includes a memory having a plurality of memory rows and a memory refresh functional block that performs a victim row refresh operation. For the victim row refresh operation, the memory refresh functional block selects one or more victim memory rows that may be victims of data corruption caused by repeated memory accesses in a specified group of memory rows near each of the one or more victim memory rows. The memory refresh functional block then individually refreshes…
Automated artifact detection
Granted: May 2, 2023
Patent Number:
11640711
A technique for generating a trained discriminator is provided. The technique includes applying one or more of a glitched image or an unglitched image to a discriminator; receiving classification output from the discriminator; adjusting weights of the discriminator to improve classification accuracy of the discriminator; applying noise to a generator; receiving an output image from the generator; applying the output image to the discriminator to obtain a classification; and adjusting…
Device and method for accelerating matrix multiply operations
Granted: May 2, 2023
Patent Number:
11640444
A processing device is provided which comprises memory configured to store data and a plurality of processor cores in communication with each other via first and second hierarchical communication links. Processor cores of a first hierarchical processor core group are in communication with each other via the first hierarchical communication links and are configured to store, in the memory, a sub-portion of data of a first matrix and a sub-portion of data of a second matrix. The processor…
Vertical and horizontal broadcast of shared operands
Granted: April 25, 2023
Patent Number:
11635967
An array processor includes processor element arrays distributed in rows and columns. The processor element arrays perform operations on parameter values. The array processor also includes memory interfaces that broadcast sets of the parameter values to mutually exclusive subsets of the rows and columns of the processor element arrays. In some cases, the array processor includes single-instruction-multiple-data (SIMD) units including subsets of the processor element arrays in…
Memory controller power states
Granted: April 25, 2023
Patent Number:
11636054
A memory controller includes a command queue and an arbiter operating in a first voltage domain, and a physical layer interface (PHY) operating in a second voltage domain. The memory controller includes isolation cells operable to isolate the PHY from the first voltage domain. A local power state controller, in response to a first power state command, provides configuration and state data for storage in an on-chip RAM memory, causes the memory controller to enter a powered-down state,…
Method and apparatus for controlling cache line storage in cache memory
Granted: April 25, 2023
Patent Number:
11636038
A method and apparatus physically partitions clean and dirty cache lines into separate memory partitions, such as one or more banks, so that during low power operation, a cache memory controller reduces power consumption of the cache memory containing the clean only data. The cache memory controller controls refresh operation so that data refresh does not occur for clean data only banks or the refresh rate is reduced for clean data only banks. Partitions that store dirty data can also…
