Nvidia Patent Grants

Adversarial scenarios for safety testing of autonomous vehicles

Granted: May 7, 2024
Patent Number: 11977386
Techniques to generate driving scenarios for autonomous vehicles characterize a path in a driving scenario according to metrics such as narrowness and effort. Nodes of the path are assigned a time for action to avoid collision from the node. The generated scenarios may be simulated in a computer.

Distributed global and local reference voltage generation

Granted: May 7, 2024
Patent Number: 11978496
A method includes generating a differential voltage from a first reference voltage generator; receiving the differential voltage at a second reference voltage generator; dividing the differential voltage at the second reference voltage generator into multiple available reference voltage levels; and selecting one of the available reference voltage levels to apply to a circuit.

Occupant attentiveness and cognitive load monitoring for autonomous and semi-autonomous driving applications

Granted: May 7, 2024
Patent Number: 11978266
In various examples, estimated field of view or gaze information of a user may be projected external to a vehicle and compared to vehicle perception information corresponding to an environment outside of the vehicle. As a result, interior monitoring of a driver or occupant of the vehicle may be used to determine whether the driver or occupant has processed or seen certain object types, environmental conditions, or other information exterior to the vehicle. For a more holistic…

Techniques for identification of out-of-distribution input data in neural networks

Granted: May 7, 2024
Patent Number: 11978258
Apparatuses, systems, and techniques to identify out-of-distribution input data in one or more neural networks. In at least one embodiment, a technique includes training one or more neural networks to infer a plurality of characteristics about input information based, at least in part, on the one or more neural networks being independently trained to infer each of the plurality of characteristics about the input information.

Training a neural network using luminance

Granted: May 7, 2024
Patent Number: 11978181
Apparatuses, systems, and techniques to process luminance and/or radiance values of one or more images from one or more cameras using one or more neural networks to perform a machine vision task. In at least one embodiment, one or more neural networks determine detection difficulty levels of objects within the one or more images and performs a machine vision task based on the determined detection difficulty levels of objects within images associated with that ask.

Inline data inspection for workload simplification

Granted: May 7, 2024
Patent Number: 11977888
A method, computer readable medium, and processor are described herein for inline data inspection by using a decoder to decode a load instruction, including a signal to cause a circuit in a processor to indicate whether data loaded by a load instruction exceeds a threshold value. Moreover, an indication of whether data loaded by a load instruction exceeds a threshold value may be stored.

Hierarchical network for stacked memory system

Granted: May 7, 2024
Patent Number: 11977766
A hierarchical network enables access for a stacked memory system including or more memory dies that each include multiple memory tiles. The processor die includes multiple processing tiles that are stacked with the one or more memory die. The memory tiles that are vertically aligned with a processing tile are directly coupled to the processing tile and comprise the local memory block for the processing tile. The hierarchical network provides access paths for each processing tile to…

Unified virtual memory management in heterogeneous computing systems

Granted: May 7, 2024
Patent Number: 11977489
Apparatuses, systems, and techniques for memory management are disclosed. In at least one embodiment, memory management is provided for a heterogenous system, for example, a system including a CPU and a GPU, in which redundant or unnecessary memory transfers are reduced.

Efficient IO processing in a storage system with instant snapshot, XCOPY, and UNMAP capabilities

Granted: May 7, 2024
Patent Number: 11977452
A method for a storage system to process input and output operations. The method includes receiving writes over time to an address at a base virtual volume, storing each of the writes in a physical storage at a new location that is without existing data, tagging each stored write with a different generation number to distinguish between different versions of data written to the address at the base virtual volume, receiving a read of the address at the base virtual volume, and, in…

Quantizing autoencoders in a neural network

Granted: May 7, 2024
Patent Number: 11977388
The performance of a neural network is improved by applying quantization to data at various points in the network. In an embodiment, a neural network includes two paths. A quantization is applied to each path, such that when an output from each path is combined, further quantization is not required. In an embodiment, the neural network is an autoencoder that includes at least one skip connection. In an embodiment, the system determines a set of quantization parameters based on the…

High-definition maps and localization for road vehicles

Granted: May 7, 2024
Patent Number: 11976939
In various examples, operations include obtaining, from a machine learning model, feature classifications that correspond to features of objects depicted in images of a geographical area in which the images are provided to the machine learning model. The operations may also include annotating the images with three-dimensional representations that are based on the obtained feature classifications. Further, the operations may include generating map data corresponding to the geographical…

Intelligent thermosyphon system for datacenter cooling systems

Granted: April 30, 2024
Patent Number: 11974416
Systems and methods for cooling a datacenter are disclosed. In at least one embodiment, one or more flow controllers is associated with a cold plate and with a thermosyphon condenser that is elevated with respect to a cold plate so that two-phase fluid is enabled for gravity-assisted downflow in a liquid phase to a cold plate for absorption of heat and is enabled for buoyancy-driven upflow through a riser tube into a thermosyphon condenser for dissipation of heat of at least one…

Digitally controlled unified receiver for multi-rank system

Granted: April 30, 2024
Patent Number: 11973501
A multi-rank circuit system includes multiple transmitters each switchably coupled to a first end of a shared input/output (IO) channel and a unified receiver coupled to a second end of the shared IO channel. The unified receiver is coupled to apply a preconfigured analog reference voltage to set a differential output of the unified receiver, and further configured to apply a variable digital code to adjust the differential output according to a particular one of the transmitters that is…

Extended through wafer vias for power delivery in face-to-face dies

Granted: April 30, 2024
Patent Number: 11973060
A TSV of a first semiconductor die may extend from a semiconductor substrate of the first semiconductor die through at least one metallization layer of the die to connect to a metallization layer to supply power to the second semiconductor die. By extending the TSV, resistance may be reduced, allowing for enhanced power delivery to the second semiconductor die. Resistance may be further reduced by allowing for the TSV to connect to a thicker metallization layer than would otherwise be…

Representing a neural network utilizing paths within the network to improve a performance of the neural network

Granted: April 30, 2024
Patent Number: 11972354
Artificial neural networks (ANNs) are computing systems that imitate a human brain by learning to perform tasks by considering examples. By representing an artificial neural network utilizing individual paths each connecting an input of the ANN to an output of the ANN, a complexity of the ANN may be reduced, and the ANN may be trained and implemented in a much faster manner when compared to an implementation using fully connected ANN graphs.

Just in time compilation using link time optimization

Granted: April 30, 2024
Patent Number: 11972281
A first intermediate representation of a first portion of a source code implementing an application and a second intermediate representation of a second portion of the source code is received by a processing device. The first intermediate representation and the second intermediate representation is merged, at run-time, into a merged intermediate representation, wherein the first intermediate representation includes a reference to a function in the second intermediate representation. An…

Rail power density aware standard cell placement for integrated circuits

Granted: April 30, 2024
Patent Number: 11972188
To ensure proper operation (e.g., speed and/or function) of standard cells fabricated within an integrated circuit a minimum potential difference between the high and low power supply rails needs to be maintained. IR drop refers to a reduction in the potential difference between the power supply rails and is caused when the switching activity of cells that share a power supply rail is greater than can be provided at a particular time. Before fabrication, placement of the cells is…

Online fault detection in ReRAM-based AI/ML

Granted: April 30, 2024
Patent Number: 11971790
The disclosure describes a method of monitoring the dynamic power consumption of ReRAM crossbars and determines the occurrence of faults when a changepoint is detected in the monitored power-consumption time series. Statistical features are computed before and after the changepoint and train a predictive model using machine-learning techniques. In this way, the computationally expensive fault localization and error-recovery steps are carried out only when a high fault rate is estimated.…

Programmable power balancing in a datacenter

Granted: April 30, 2024
Patent Number: 11971774
A datacenter power management system and method is disclosed. A plurality of computing units are enabled to operate at a second frequency, higher than a first frequency, in response to determining from respective power coefficients for these computing units, that a power level at this higher frequency remains below a power budget.

Robust, efficient multiprocessor-coprocessor interface

Granted: April 23, 2024
Patent Number: 11966737
Systems and methods for an efficient and robust multiprocessor-coprocessor interface that may be used between a streaming multiprocessor and an acceleration coprocessor in a GPU are provided. According to an example implementation, in order to perform an acceleration of a particular operation using the coprocessor, the multiprocessor: issues a series of write instructions to write input data for the operation into coprocessor-accessible storage locations, issues an operation instruction…