PALMS_API Documentation

1.4.0

Author:

Computer Architecture Group, University of Mannheim

The PALMS API 1.4.0

The PALMS API presented in this document is expected to be stable, i.e. we will avoid any changes to the functions as far as possible. However, some parts of the PALMS API have not been fully implemented yet, especially routing and fault tolerance features are still missing. Therefore, future changes to the API (particularly additional functions) are possible to implement those features.

Some general remarks regarding the Send-receive functionality:

• Messages are send in 64bit words across the network, therefore the message size is 64bit aligned. The API functions for sending anf receiving can be called with unaligned sizes, i.e. it is possible to send a 3byte message for example and to receive it into a 3byte buffer. However, all functions on the receiver side will return a 64bit aligned value for the size of data/header segment, so the user has to ensure that he receives the correct size, if he wants to allow for unaligend sizes in his environment.

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