GIET_VM / User Level Libraries

This section describes the various user-level libraries provided by the GIET_VM.

Barrier user library

This library contains functions used to synchronize severals tasks in a multi-task parallel application. Most of these functions do not use system calls.

Spin_lock user library

This library contains functions used to get exclusive access to a shared ressource in a multi-task parallel application. These functions do not use system calls.

Atomic user library

This library contains functions used to make atomic access to shared variables in a multi-task parallel application. These functions do not use system calls.

Malloc user library

This library contains functions allowing an user application to dynamically allocate virtual memory from the application heap segment. When the target architecture is clusterized (several physical banks), the heap is physically distributed on the clusters, and there is actually on allocator per cluster.

MWMR user library

This library defines a communication middleware supporting channelised communications in a multi-tasks parallel application. This middleware does not use system calls.

Stdlib user library

This library contains various utility functions that do not use system calls.