Low-power dynamic offset calibration of an error amplifier
Granted: November 28, 2023
Patent Number:
11829170
Systems and methods are disclosed related to low-power dynamic offset calibration of an error amplifier. An analog linear voltage regulator circuit tracks changes between a reference voltage and a regulated voltage to keep the regulated voltage as close as possible to the reference voltage. The analog linear voltage regulator includes an error amplifier that measures the error between the reference and regulated voltages and feedback circuitry. The error amplifier and feedback circuitry…
Motile tracking of datacenter components
Granted: November 28, 2023
Patent Number:
11832416
Systems and methods for datacenter are disclosed. In at least one embodiment, a system or method herein causes a process for a structure that includes a component tracking system, where such a system includes individual components within individual servers or individual racks, the process being based in part on at least location information and configuration information from one or more of an optical sensor or a radio sensor associated with a motile-support that is adapted for at least…
Application firewalls based on self-modeling service flows
Granted: November 28, 2023
Patent Number:
11831608
In various examples, firewalls may include machine learning models that are automatically trained and applied to analyze service inputs submitted to input processing services and to identify whether service inputs are desirable (e.g., will result in an undesirable status code if processed by a service). When a service input is determined by a firewall to be desirable, the firewall may push the service input through to the input processing service for normal processing. When a service…
Robust state estimation
Granted: November 28, 2023
Patent Number:
11830259
State information can be determined for a subject that is robust to different inputs or conditions. For drowsiness, facial landmarks can be determined from captured image data and used to determine a set of blink parameters. These parameters can be used, such as with a temporal network, to estimate a state (e.g., drowsiness) of the subject. To improve robustness, an eye state determination network can determine eye state from the image data, without reliance on intermediate landmarks,…
Object detection using planar homography and self-supervised scene structure understanding
Granted: November 28, 2023
Patent Number:
11830160
In various examples, a single camera is used to capture two images of a scene from different locations. A trained neural network, taking the two images as inputs, outputs a scene structure map that indicates a ratio of height and depth values for pixel locations associated with the images. This ratio may indicate the presence of an object above a surface (e.g., road surface) within the scene. Object detection then can be performed on non-zero values or regions within the scene structure…
Generation of differentiable, manifold meshes of arbitrary genus
Granted: November 28, 2023
Patent Number:
11830145
A manifold voxel mesh or surface mesh is manufacturable by carving a single block of material and a non-manifold mesh is not manufacturable. Conventional techniques for constructing or extracting a surface mesh from an input point cloud often produce a non-manifold voxel mesh. Similarly, extracting a surface mesh from a voxel mesh that includes non-manifold geometry produces a surface mesh that includes non-manifold geometry. To ensure that the surface mesh includes only manifold…
Ray-guided water caustics
Granted: November 28, 2023
Patent Number:
11830125
Raytracing can be used to generate high quality, physics-based water caustics patterns in real time. A caustics map is generate to represent locations and normals of points across a water surface. Rays from a light source that are reflected and refracted from these points, as determined by the locations and normals, and can generate hit points on a surface. Neighboring points can be used to help determine the resulting caustics pattern. In one embodiment, information for neighboring…
Accelerated processing via a physically based rendering engine
Granted: November 28, 2023
Patent Number:
11830123
One embodiment of a computer-implemented method for processing data within a fixed-function pipeline included in an execution unit includes receiving a first input from a first processing unit, wherein the first input corresponds to a first fixed-function; executing the first fixed-function on the first input to generate a first output, wherein the first fixed-function is executed on the first input prior to executing the first fixed-function on one or more inputs received from a…
Intelligent and redundant liquid-cooled cooling loop for datacenter cooling systems
Granted: November 28, 2023
Patent Number:
11829215
Systems and methods for cooling a datacenter are disclosed. In at least one embodiment, an alternate cooling loop with its own fluid source and a liquid-to-liquid heat exchanger is used to provide cooling for the at least one computing component alternatively from a secondary cooling loop that is associated with a primary cooling loop and a chilling facility.
Intelligent multiple mode cooling unit for datacenter racks
Granted: November 28, 2023
Patent Number:
11829213
A cooling system for a datacenter is disclosed. A multiple mode cooling subsystem of the cooling system has a form factor for one or more racks of the datacenter, has two or more different cooling systems, and is adjustable to different cooling requirements of the datacenter within different cooling capacities offered by the two or more different cooling systems.
Integrated heat sink and air plenum for a heat-generating integrated circuit
Granted: November 28, 2023
Patent Number:
11828549
An electronic device includes an integrated circuit and a heat exchanger. The heat exchanger includes a heat pipe and a first plurality of cooling fins and a second plurality of cooling fins. The heat pipe is thermally coupled to the integrated circuit and has an evaporator portion and a condenser portion, where the condenser portion extends away from the evaporator portion. The first plurality of cooling fins are attached to the condenser portion and proximate to the evaporation portion…
Intelligent and redundant air-cooled cooling loop for datacenter cooling systems
Granted: November 21, 2023
Patent Number:
11822398
Systems and methods for cooling a datacenter are disclosed. In at least one embodiment, an alternate cooling loop with its own fluid source and a liquid-to-air heat exchanger is used to provide cooling for the at least one computing component alternatively from a secondary cooling loop that is associated with a primary cooling loop and a chilling facility.
Level-conversion circuits utilizing level-dependent inverter supply voltages
Granted: November 21, 2023
Patent Number:
11824533
Voltage level conversion circuits include PMOS pull-down devices or NMOS pull-up devices, and inverters with outputs that determine gate voltages of these devices. The inverters are powered by moving supply voltages, for example complementary supply voltages generated from a pair of cross-coupled inverters. The cross-coupled inverters may implement a data storage latch with the moving supply voltages generated from the internal data storage nodes of the latch.
Denoising techniques suitable for recurrent blurs
Granted: November 21, 2023
Patent Number:
11823321
Recurrent blurring may be used to render frames of a virtual environment, where the radius of a filter for a pixel is based on a number of successfully accumulated frames that correspond to that pixel. To account for rejections of accumulated samples for the pixel, ray-traced samples from a lower resolution version of a ray-traced render may be used to increase the effective sample count for the pixel. Parallax may be used to control the accumulation speed along with an angle between a…
Scattered geometry compression for ray tracing acceleration structures
Granted: November 21, 2023
Patent Number:
11823320
In examples, a list of elements may be divided into spans and each span may be allocated a respective memory range for output based on a worst-case compression ratio of a compression algorithm that will be used to compress the span. Worker threads may output compressed versions of the spans to the memory ranges. To ensure placement constraints of a data structure will be satisfied, boundaries of the spans may be adjusted prior to compression. The size allocated to a span (e.g., each…
Techniques for rendering signed distance functions
Granted: November 21, 2023
Patent Number:
11823319
One embodiment of a method for rendering one or more graphics images includes tracing one or more rays through a graphics scene; computing one or more surface normals associated with intersections of the one or more rays with one or more surfaces, where computing each surface normal includes: computing a plurality of intermediate surface normals associated with a plurality of adjacent voxels of a grid, and interpolating the plurality of intermediate surface normals; and rendering one or…
Techniques for interleaving textures
Granted: November 21, 2023
Patent Number:
11823318
Techniques are disclosed herein for interleaving textures. In the disclosed techniques, multiple textures that would otherwise be accessed separately are interleaved into a single, interleaved texture that can be used to access the multiple textures together. The interleaved texture can include alternating blocks from the multiple textures. The interleaved texture can be generated when the multiple textures are being loaded into memory. Further, the interleaved texture can be accessed…
Device link management
Granted: November 21, 2023
Patent Number:
11822926
Apparatuses, systems, and techniques to optimize device communications disclosed. In at least one embodiment, one or more neural networks are used to determine optimal power and frequency states for communication links between processing devices.
Techniques for storing sub-alignment data when accelerating Smith-Waterman sequence alignments
Granted: November 21, 2023
Patent Number:
11822541
Various techniques for accelerating Smith-Waterman sequence alignments are provided. For example, threads in a group of threads are employed to use an interleaved cell layout to store relevant data in registers while computing sub-alignment data for one or more local alignment problems. In another example, specialized instructions that reduce the number of cycles required to compute each sub-alignment score are utilized. In another example, threads are employed to compute sub-alignment…
Techniques for an efficient fabric attached memory
Granted: November 21, 2023
Patent Number:
11822491
Fabric Attached Memory (FAM) provides a pool of memory that can be accessed by one or more processors, such as a graphics processing unit(s) (GPU)(s), over a network fabric. In one instance, a technique is disclosed for using imperfect processors as memory controllers to allow memory, which is local to the imperfect processors, to be accessed by other processors as fabric attached memory. In another instance, memory address compaction is used within the fabric elements to fully utilize…
