Techniques for configuring a processor to function as multiple, separate processors
Granted: February 15, 2022
Patent Number:
11249905
A parallel processing unit (PPU) can be divided into partitions. Each partition is configured to operate similarly to how the entire PPU operates. A given partition includes a subset of the computational and memory resources associated with the entire PPU. Software that executes on a CPU partitions the PPU for an admin user. A guest user is assigned to a partition and can perform processing tasks within that partition in isolation from any other guest users assigned to any other…
Efficient matrix data format applicable for artificial neural network
Granted: February 15, 2022
Patent Number:
11249727
Many computing systems process data organized in a matrix format. For example, artificial neural networks (ANNs) perform numerous computations on data organized into matrices using conventional matrix arithmetic operations. One such operation, which is commonly performed, is the transpose operation. Additionally, many such systems need to process many matrices and/or matrices that are large in size. For sparse matrices that hold few significant values and many values that can be ignored,…
Global illumination using shared lighting contributions for interactions in path tracing
Granted: February 8, 2022
Patent Number:
11244493
Disclosed approaches provide for interactions of secondary rays of light transport paths in a virtual environment to share lighting contributions when determining lighting conditions for a light transport path. Interactions may be shared based on similarities in characteristics (e.g., hit locations), which may define a region in which interactions may share lighting condition data. The region may correspond to a texel of a texture map and lighting contribution data for interactions may…
Systems and methods for training neural networks with sparse data
Granted: February 8, 2022
Patent Number:
11244226
A method, computer readable medium, and system are disclosed for training a neural network model. The method includes the step of selecting an input vector from a set of training data that includes input vectors and sparse target vectors, where each sparse target vector includes target data corresponding to a subset of samples within an output vector of the neural network model. The method also includes the steps of processing the input vector by the neural network model to produce…
Streaming application visuals using page-like splitting of individual windows
Granted: February 8, 2022
Patent Number:
11243786
The disclosure relates to the transfer of visuals (e.g., window visuals) over virtual frames that may be stored in any number of video frames of one or more video streams. The visuals may be split into two-dimensional (2D) pages of a virtual frame, with each of the 2D pages being a fraction of the size of video frames of the video stream(s). The virtual frame may be encoded to the video frames of the video stream(s) and later reconstructed in accordance with a page table.
Techniques for updating light-emitting diodes in synchrony with liquid-crystal display pixel refresh
Granted: February 1, 2022
Patent Number:
11238815
A display controller within a display device includes a serial peripheral interface (SPI) that coordinates the updating of current settings for groups of light-emitting diodes (LEDs). The SPI controller operates in synchrony with a liquid-crystal display (LCD) vertical scan position in order to update the current settings for rows of LEDs in parallel with the updating of nearby rows of LCD pixels. When updating a row of LEDs, the SPI controller executes one or more SPI transactions…
Self-supervised single-view 3D reconstruction via semantic consistency
Granted: February 1, 2022
Patent Number:
11238650
Apparatuses, systems, and techniques to identify a shape or camera pose of a three-dimensional object from a two-dimensional image of the object. In at least one embodiment, objects are identified in an image using one or more neural networks that have been trained on objects of a similar category and a three-dimensional mesh template.
Techniques for accurately determining the temperature at various locations of an operating integrated circuit
Granted: January 25, 2022
Patent Number:
11231760
Integrated circuits (ICs)—depending on a current workload—may exceed thermal cooling budgets. As a result, ICs often implement thermal sensors to measure temperatures at junctions or hot spots along the IC. Due to a distance between the thermal sensors and the various junctions, a thermal offset may be added to the temperature readings from the thermal sensors to more accurately estimate the temperature at the junctions. To account for different workload distributions—e.g.,…
Network routing using aggregated links
Granted: January 25, 2022
Patent Number:
11233730
Introduced herein is a routing technique that, for example, routes a transaction to a destination port over a network that supports link aggregation and multi-port connection. In one embodiment, two tables that can be searched based on the target and supplemental routing IDs of the transaction are utilized to route the transaction to the proper port of the destination endpoint. In an embodiment, the first table provides a list of available ports at each hop/route point that can route the…
History clamping for denoising dynamic ray-traced scenes using temporal accumulation
Granted: January 25, 2022
Patent Number:
11232544
Approaches presented herein can reduce temporal lag that may be introduced in a generated image sequence that utilizes temporal accumulation for denoising in dynamic scenes. A fast historical frame can be generated along with a full historical frame generated for a denoising process, with the fast historical frame being accumulated using an exponential moving average with a significantly higher blend weight. This fast history frame can be used to determine a clamping window that can be…
Cloud-centric platform for collaboration and connectivity on 3D virtual environments
Granted: January 18, 2022
Patent Number:
11227448
A content management system may maintain a scene description that represents a 3D virtual environment and a publish/subscribe model in which clients subscribe to content items that correspond to respective portions of the shared scene description. When changes are made to content, the changes may be served to subscribing clients. Rather than transferring entire descriptions of assets to propagate changes, differences between versions of content may be exchanged, which may be used…
Using temporal filters for automated real-time classification
Granted: January 11, 2022
Patent Number:
11222232
In various examples, the present disclosure relates to using temporal filters for automated real-time classification. The technology described herein improves the performance of a multiclass classifier that may be used to classify a temporal sequence of input signals—such as input signals representative of video frames. A performance improvement may be achieved, at least in part, by applying a temporal filter to an output of the multiclass classifier. For example, the temporal filter…
Cloud gaming system and method of initiating a gaming session
Granted: January 11, 2022
Patent Number:
11219824
A gaming cloud gaming system and a method of initiating a gaming session. One embodiment of the gaming cloud gaming system includes a computing system having: (1) an entry point operable to receive a game session request and generate instructions for establishing a connection between a client and a game server, and (2) a dynamically configurable reverse proxy operable to proxy for the game server and configured to employ the instructions to create a route to a randomly selected port on…
History clamping for denoising dynamic ray-traced scenes using temporal accumulation
Granted: January 4, 2022
Patent Number:
11216916
Approaches presented herein can reduce temporal lag that may be introduced in a generated image sequence that utilizes temporal accumulation for denoising in dynamic scenes. A fast historical frame can be generated along with a full historical frame generated for a denoising process, with the fast historical frame being accumulated using an exponential moving average with a significantly higher blend weight. This fast history frame can be used to determine a clamping window that can be…
Method of using a single controller (ECU) for a fault-tolerant/fail-operational self-driving system
Granted: January 4, 2022
Patent Number:
11214273
In a self-driving autonomous vehicle, a controller architecture includes multiple processors within the same box. Each processor monitors the others and takes appropriate safe action when needed. Some processors may run dormant or low priority redundant functions that become active when another processor is detected to have failed. The processors are independently powered and independently execute redundant algorithms from sensor data processing to actuation commands using different…
Near-eye parallax barrier displays
Granted: January 4, 2022
Patent Number:
RE48876
In embodiments of the invention, an apparatus may include a display comprising a plurality of pixels and a computer system coupled with the display and operable to instruct the display to display images. The apparatus may further include an SLM array located adjacent to the display and comprising a plurality of SLMs, wherein the SLM array is operable to produce a light field by altering light emitted by the display to simulate an object that is in focus to an observer while the display…
Encoding lidar scanned data for generating high definition maps for autonomous vehicles
Granted: December 28, 2021
Patent Number:
11209548
Embodiments relate to methods for efficiently encoding sensor data captured by an autonomous vehicle and building a high definition map using the encoded sensor data. The sensor data can be LiDAR data which is expressed as multiple image representations. Image representations that include important LiDAR data undergo a lossless compression while image representations that include LiDAR data that is more error-tolerant undergo a lossy compression. Therefore, the compressed sensor data can…
Efficient lossless compression of captured raw image information systems and methods
Granted: December 28, 2021
Patent Number:
11212539
Systems and methods for efficient lossless compression of captured raw image information are presented. A method can comprise: receiving raw image data from an image capture device, segregating the pixel data into a base layer portion and an enhanced layer portion, reconfiguring the base layer portion expressed in the first color space values from a raw capture format into a pseudo second color space compression mechanism compatible format, and compressing the reconfigured base layer…
Object detection and detection confidence suitable for autonomous driving
Granted: December 28, 2021
Patent Number:
11210537
In various examples, detected object data representative of locations of detected objects in a field of view may be determined. One or more clusters of the detected objects may be generated based at least in part on the locations and features of the cluster may be determined for use as inputs to a machine learning model(s). A confidence score, computed by the machine learning model(s) based at least in part on the inputs, may be received, where the confidence score may be representative…
PCIe traffic tracking hardware in a unified virtual memory system
Granted: December 28, 2021
Patent Number:
11210253
Techniques are disclosed for tracking memory page accesses in a unified virtual memory system. An access tracking unit detects a memory page access generated by a first processor for accessing a memory page in a memory system of a second processor. The access tracking unit determines whether a cache memory includes an entry for the memory page. If so, then the access tracking unit increments an associated access counter. Otherwise, the access tracking unit attempts to find an unused…
