Hewlett-packard Development Company, L.p.

Manish Ahluwalia

Saleem Mohideen

Eric Hamilton

In an embodiment, a method for an adaptive address space operating system, includes: selecting a first model of the address space layout for a process; attempting to perform an operation within a virtual address; determining if the operation can be performed successfully based on the first model or based upon a second model; if the operation cannot be performed successfully based upon the first model but can be performed successfully based upon the second model, then converting the address space layout from the first model to the second model; and performing the operation.

Adaptive address space operating system

Systems, methods, and devices are provided for scoring assertions in software testing. One method embodiment includes registering assertions which fail during testing of software code. The method includes analyzing failed assertions against a set of questions. The failed assertions are scored based on analyzing the failed assertions against a set of questions.

Scoring assertions

In one embodiment of the invention, a method is provided to allow an operating system to support both address space layouts of a SAS OS and a MAS OS at the same time, with the choice of which layout type to be used to be made by the application developer. In one embodiment the method includes: selecting one of a mostly private address space (MPAS) model and a mostly global address space (MGAS) model, where if the MPAS model is selected, then a process is permitted to map a shared object in a mostly private address space (MPAS) layout so that the process perceives a behavior as if the process is running on a multiple address space operating system, and where if the MGAS model is selected, then the process is permitted to map a shared object in a mostly global address space (MGAS) layout so that the process perceives a behavior as if the process is running on a single address space operating system.

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Santa Clara, CA, United States of America

Manish Ahluwalia