Scalable in-network computation for massively-parallel shared-memory processors
Granted: November 9, 2021
Patent Number:
11171798
A network device configured to perform scalable, in-network computations is described. The network device is configured to process pull requests and/or push requests from a plurality of endpoints connected to the network. A collective communication primitive from a particular endpoint can be received at a network device. The collective communication primitive is associated with a multicast region of a shared global address space and is mapped to a plurality of participating endpoints.…
Determining allowable locations of tear lines when scanning out rendered data for display
Granted: November 9, 2021
Patent Number:
11170740
A technique for selecting locations of tear lines when displaying visual content. The technique includes receiving coordinates for one or more portions of a display where a tear is permitted and determining if a frame transition is to occur while rendered content is being scanned out for display within the one or more portions of the display where tear is permitted. If the frame transition is to occur while the scanline for the display is in the one or more portions of the display where…
Multi-rate shading using replayed screen space tiles
Granted: November 9, 2021
Patent Number:
11170566
One aspect of the disclosure provides a method for rendering an image. The method includes: placing primitives of the image in a screen space; binning the primitives into tiles of the screen space that the primitives touch; and rasterizing the tiles. The aforementioned rasterizing includes shading a subset of the primitives binned to one of the tiles over multiple passes at multiple shading rates, each of the shading rates is based at least on a frequency at which a color being shaded at…
Resolution upscaling for event detection
Granted: November 9, 2021
Patent Number:
11170471
A game-agnostic event detector can be used to automatically identify game events. Game-specific configuration data can be used to specify types of pre-processing to be performed on media for a game session, as well as types of detectors to be used to detect events for the game. Event data for detected events can be written to an event log in a form that is both human- and process-readable. The event data can be used for various purposes, such as to generate highlight videos or provide…
Distance estimation to objects and free-space boundaries in autonomous machine applications
Granted: November 9, 2021
Patent Number:
11170299
In various examples, a deep neural network (DNN) is trained—using image data alone—to accurately predict distances to objects, obstacles, and/or a detected free-space boundary. The DNN may be trained with ground truth data that is generated using sensor data representative of motion of an ego-vehicle and/or sensor data from any number of depth predicting sensors—such as, without limitation, RADAR sensors, LIDAR sensors, and/or SONAR sensors. The DNN may be trained using two or more…
Faster game enablement utilizing virtual machine reuse
Granted: November 9, 2021
Patent Number:
11169858
The disclosure is directed to a method of operating a game system where virtual machines (VM) supporting the game session can be reused by a second user after a first user ends their game session. In another aspect, the VM can be shut down if the number of VMs exceeds a target number of VMs or if an abnormality is detected in the VM. In another aspect, VMs can be instantiated in order to meet a target number of VMs. In another aspect, a software application is disclosed to execute the…
Method for handling of out-of-order opaque and alpha ray/primitive intersections
Granted: November 2, 2021
Patent Number:
11164360
A hardware-based traversal coprocessor provides acceleration of tree traversal operations searching for intersections between primitives represented in a tree data structure and a ray. The primitives may include opaque and alpha triangles used in generating a virtual scene. The hardware-based traversal coprocessor is configured to determine primitives intersected by the ray, and return intersection information to a streaming multiprocessor for further processing. The hardware-based…
Evaluating qualitative streaming experience using session performance metadata
Granted: November 2, 2021
Patent Number:
11165848
A technique for evaluating qualitative streaming experience using session performance metadata is disclosed herein. A pipeline of a streaming service can be adapted to collect metadata, such as timestamps, from various components of the pipeline. The metadata can then be analyzed to calculate an objective quality metric for each streaming session using weighted scores derived from the metadata for a plurality of different components including, but not limited to, stutter, latency, and/or…
Transimpedance amplifier for converting electrical currents to voltages
Granted: November 2, 2021
Patent Number:
11165394
The disclosure provides an improved transimpedance amplifier (TIA) that can operate at a higher bandwidth and lower noise compared to conventional TIAs. The TIA employs a data path with both feedback impedance and feedback capacitance for improved performance. The feedback impedance includes at least two resistors in series and at least one shunt capacitor, coupled between the at least two resistors, that helps to extend the circuit bandwidth and improve SNR at the same time. The…
Polar stroking for vector graphics
Granted: November 2, 2021
Patent Number:
11164372
The disclosure introduces polar stroking for representing paths. A system, method, and apparatus are disclosed for representing and rendering stroked paths employing polar stroking. In one example, a method of approximating a link of a path is provided that includes: (1) determining tangent angle changes of a link of a path, (2) evaluating the link in steps based on the tangent angle changes, and (3) providing a polar stroked representation of the link employing the steps, wherein the…
Content protection via online servers and code execution in a secure operating system
Granted: November 2, 2021
Patent Number:
11163859
A computer system comprising a processor and a memory for storing instructions, that when executed by the processor performs a copy protection method. The copy protection method comprises executing a software loop of a first software application in a first operating system. A first call is executed in the software loop to a code portion. A decrypted code portion of the first software application is executed in a second operating system in response to the first call. The code portion is…
Sharing sensor data between multiple controllers to support vehicle operations
Granted: November 2, 2021
Patent Number:
11163303
This disclosure presents an assisted driving vehicle system, including autonomous, semi-autonomous, and technology assisted vehicles, that can share sensor data among two or more controllers. A sensor can have one communication channel to a controller, thereby saving cabling and circuitry costs. The data from the sensor can be sent from one controller to another controller to enable redundancy and backup in case of a system failure. In another embodiment, sensor data from more than one…
Classification of surfaces as hard/soft for combining data captured by autonomous vehicles for generating high definition maps
Granted: November 2, 2021
Patent Number:
11162788
A high-definition map system receives sensor data from vehicles traveling along routes and combines the data to generate a high definition map for use in driving vehicles, for example, for guiding autonomous vehicles. A pose graph is built from the collected data, each pose representing location and orientation of a vehicle. The pose graph is optimized to minimize constraints between poses. Points associated with surface are assigned a confidence measure determined using a measure of…
Techniques for enhancing the UDP network protocol to efficiently transmit large data units
Granted: October 26, 2021
Patent Number:
11159655
A user datagram protocol (UDP) is a well-known protocol for transferring data between two nodes of a network. When data is too large to fit within a single UDP packet that can be transmitted between the two nodes, the data needs to be segmented and transmitted with multiple packets and reassembled on the receiving node. Techniques are disclosed herein, for example, for offloading such segmentation, transmission, and reassembly from the central processing units (CPUs) of the nodes. Such…
Clock data recovery mechanism
Granted: October 26, 2021
Patent Number:
11159304
A clock data recovery (CDR) mechanism qualifies symbols received from the data detector prior to using those symbols to compute a timing gradient. The disclosed CDR mechanism analyzes one or more recently received symbols to determine whether the current symbol should be used in computing the time gradient. When configured with a Mueller-Muller phase detector, the timing gradient for the received signal is set to zero if the current symbol is a ?2 or a +2 and the previous symbol is…
Data bus inversion (DBI) on pulse amplitude modulation (PAM) and reducing coupling and power noise on PAM-4 I/O
Granted: October 26, 2021
Patent Number:
11159153
Mechanisms to reduce noise and/or energy consumption in PAM communication systems, utilizing conditional symbol substitution in each burst interval of a multi-data lane serial data bus.
Determining high-interest durations of gameplay sessions from user inputs
Granted: October 26, 2021
Patent Number:
11158346
In various examples, durations of relatively high user activity within a gameplay session may be determined from user input events using a running user activity measurement. Once a duration is identified, it may be further analyzed to merge the duration with one or more other durations and/or to determine or predict whether the duration would be of sufficient interest for further action. A user interest score for an identified duration may be computed based on a set of the user input…
Method for efficient grouping of cache requests for datapath scheduling
Granted: October 26, 2021
Patent Number:
11157414
In a ray tracer, a cache for streaming workloads groups ray requests for coherent successive bounding volume hierarchy traversal operations by sending common data down an attached data path to all ray requests in the group at the same time or about the same time. Grouping the requests provides good performance with a smaller number of cache lines.
Game event recognition
Granted: October 26, 2021
Patent Number:
11154773
A game-agnostic event detector can be used to automatically identify game events. Game-specific configuration data can be used to specify types of pre-processing to be performed on media for a game session, as well as types of detectors to be used to detect events for the game. Event data for detected events can be written to an event log in a form that is both human- and process-readable. The event data can be used for various purposes, such as to generate highlight videos or provide…
Identifying dynamic objects in a point cloud
Granted: October 19, 2021
Patent Number:
11151394
Operations may comprise obtaining a first point cloud from a map representing a region. The operations may also include obtaining a second point cloud from one or more sensors of a vehicle traveling through the region. In addition, the operations may include identifying one or more subsets of clusters of second points of the second point cloud. The operations may also include determining correspondences between first points of the first point cloud and cluster points of the one or more…
