Nvidia Corporation

Jeffrey Scott Tuckey

Haixia Shi

David Wyatt

Brian S Pharris

Jerome Francis Duluk, Jr

Luke Durant

Gentaro Hirota

Alan Menezes

Ramon Matas Navarro

Shirish C Gadre

Jack H Choquette

Olivier Giroux

Michael Alan Fetterman

Robert Ohannessian

Xiaogang Qiu

Robert J Stoll

Embodiments of the present invention set forth techniques for allocating execution resources to groups of threads within a graphics processing unit. A compute work distributor included in the graphics processing unit receives an indication from a process that a first group of threads is to be launched. The compute work distributor determines that a first subcontext associated with the process has at least one processor credit. In some embodiments, CTAs may be launched even when there are no processor credits, if one of the TPCs that was already acquired has sufficient space. The compute work distributor identifies a first processor included in a plurality of processors that has a processing load that is less than or equal to the processor loads associated with all other processors included in the plurality of processors. The compute work distributor launches the first group of threads to execute on the first processor.

Dynamic partitioning of execution resources

A system and apparatus are provided that include an implementation for decoupled pipelines. The apparatus includes a scheduler configured to issue instructions to one or more functional units and a functional unit coupled to a queue having a number of slots for storing instructions. The instructions issued to the functional unit are stored in the queue until the functional unit is available to process the instructions.

System and processor that include an implementation of decoupled pipelines

A secure virtual machine system, method, and computer program product implemented on a processor are provided for processing a third party's content for output. At least one processor is provided. Additionally, at least one secure virtual machine implemented on the processor is provided for interpreting a second party's program that processes and outputs a third party's content. The virtual machine system abstracts the underlying processor hardware allowing implementation variations across products to execute the same program identically. Furthermore, the scope of the programmable operations, the types of input & output variables, and execution of programs within the processor, is deliberately constrained within the virtual machine environment, in order to mitigate potential security leaks by programs, and to ensure confidentiality of second party's secrets, and third party's content as managed by the second party's program.

Method and apparatus for the secure processing of confidential content within a virtual machine of a processor

A system, method, and computer program product are provided for generating and securing a program, and secrets including confidential keys, capable of being executed utilizing a processor to decrypt content. In operation, a second party's program for decrypting content from a third party is generated by a second party, and then secured in a process involving the second party in such a manner that it can be subsequently executed on the processor, without revealing the contents of the second party's program, nor any secrets provided by third party, or used by the second party, in securing the program, nor any portion of the third party's content while being handled by the program.

Apparatus, system, method, and computer program product for generating and securing a program capable of being executed utilizing a processor to decrypt content

Methods, devices, and systems of protecting a secret are provided. Access to the secret is designed to be restricted to a code with a specific signature, or fingerprint. The signature of that code is used in the encryption of the secret, and other codes are prevented from using this signature to decrypt the secret. This restricted access to the secret prevents the secret from being easily compromised, for example, by preventing a change in the code.

Providing secure access to a secret

An apparatus, system, method, and computer program product are provided for executing a program provided a second party utilizing a processor to generate keys for decrypting content of a third party. In operation, content and a program to confidentially generate keys for decrypting the content of the third party are received at a processor. Additionally, the second party's program is executed utilizing the processor-derived keys to decrypts the third party's content.

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Los Gatos, CA, United States of America

Jeffrey Scott Tuckey