International Business Machines Corporation

Jens Mehler

Carsten Otte

Christoph Raisch

Marco Kraemer

Beth A Glendening

Joachim Von Buttlar

Stefan Usenbinz

Georg Drache

Sebastian Stork

Florian Merkert

Embodiments are disclosed for merging data structure definitions. The techniques include generating a first memory layout definition based on a first data structure definition that is written in a first programming language. The techniques further include generating a second memory layout definition based on a second data structure definition that is written in a second programming language. Additionally, the techniques include merging the first memory layout definition and the second memory layout definition into a merged memory layout definition. Further, the techniques include generating a merged data structure definition based on the merged memory layout definition.

Merging data structure definitions

A computer-implemented method for simulating a system of at least two computing systems connected via at least one data packet connection, wherein a computing system comprises interconnect adapters for physical connections based on a physical layer protocol each. A packet switching component is provided, as are physical attachments for each interconnect adapter. The physical attachments are registered. A connection director is provided for managing the data packet exchange. In response to the receipt of a simulation start indicator, each physical attachment registers its unique address at the package switching component. This assigns unique identifiers for each computing system, and unique identifiers for simulated physical layer protocols.

Simulating a system of computing systems

Updating a database is provided. The updating is noticeable by all read and/or write processes. In response to a write request to the database, a temporary copy of the database is generated. The write operations are performed to the temporary copy of the database. The current database generation of the database is replaced with the temporary copy for creating a next database generation.

Updating a database

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Schoenaich, Germany

Jens Mehler