TakTuk

TakTuk is a tool for deploying parallel remote executions of commands to a potentially large set of remote nodes. It spreads itself using an adaptive algorithm and sets up an interconnection network to transport commands and perform I/Os multiplexing/demultiplexing. The TakTuk mechanics dynamically adapt to environment (machine performance and current load, network contention) by using a reactive work-stealing algorithm that mixes local parallelization and work distribution.

• adaptivity: efficient work distribution is achieved even on heterogeneous platforms thanks to an adaptive work-stealing algorithm
• scalability: TakTuk has been tested to perform large size deployments (hundreds of nodes), either on SMPs, regular clusters or clusters of SMPs
• portability: TakTuk is architecture independent (tested on x86, PPC, IA-64) and distinct instances can communicate whatever the machine they're running on
• configurability: mechanics are configurable (deployment window size, timeouts, ...) and TakTuk outputs can be suppressed/formatted using I/O templates

• autopropagation: the engine can spread its own code to remote nodes in order to deploy itself
• communication layer: nodes successfully deployed are numbered and programs executed by TakTuk can send multicast communication to other nodes using this logical number
• informations redirection: I/O and commands status are multiplexed from/to the root node.