MPI accomplishes portable, standardized message-passing between processes by exposing a standard API that hides the implementation of the underlying mechanism for message passing. Until now, checkpointing an MPI program required knowledge of these underlying mechanisms. Through the addition of a proxy, we demonstrate that MPI programs can be checkpointed and restarted regardless of the MPI impl...

This document defines a new function for the Generic Security Service Application Program Interface (GSS-API), which allows applications to store delegated (and other) credentials in the implicit GSS-API credential store. This is needed for GSS-API applications to use delegated credentials as they would use other credentials. Status of This Memo This document specifies an Internet standards tra...

Programming language communities often have repositories of code to which the community submits libraries and from which libraries are downloaded and installed. In communities where many implementations of the language exist, or where the community uses a number of language varieties, many such repositories can exist, each with their own toolset to access them. These diverse communities often h...

In this paper we describe TinyLIME, a novel middleware for wireless sensor networks that departs from the traditional setting where sensor data is collected by a central monitoring station, and enables instead multiple mobile monitoring stations to access the sensors in their proximity and share the collected data through wireless links. This intrinsically context-aware setting is demanded by a...

The purpose of the PAPI project is to specify a standard API for accessing hardware performance counters available on most modern microprocessors. These counters exist as a small set of registers that count "events", which are occurrences of specific signals and states related to the processor's function. Monitoring these events facilitates correlation between the structure of source/object cod...

Application program interface (API) use and design is critical, non-optional, and cross-cutting in the construction of modern software systems. However, only recently has the explicit study of API design process and API designs been initiated from the perspective of usability, and little is known with respect to how various forms of information about an API aids programmers in the use of an API...

The Static Database Access library was first introduced in EPICS (Experimental Physics and Industrial Control System) Release 3.11 in 1994. It provides an application program interface (API) for database configuration tools written in C to manipulate database record definitions and is used for various tasks within the core EPICS software. This paper describes the structure of a replacement for ...

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This document specifies a negotiation mechanism for the Generic Security Service Application Program Interface (GSS-API), which is described in RFC 2743. GSS-API peers can use this negotiation mechanism to choose from a common set of security mechanisms. If per-message integrity services are available on the established mechanism context, then the negotiation is protected against an attacker th...

We report on the development of a new computational framework for efficiently carrying out parallel data redistribution in a limited memory environment. This new library, MADRE (The Memory-Aware Data Redistribution Engine), is an open-source, C/MPI-based toolkit designed for quick and easy integration into application codes that have demanding data migration needs. At the same time, MADRE expos...