Continuum Interprocessor Communication (IPC) Library
Real-time sensor based systems require status, control and bulk data movement to coexist within the same communication architecture. The Inter-processor Communication (Continuum IPC) Library provides all the capabilities needed to control applications running on multiple processors having data movement requirements. The software hides the hardware architectural details from the application designer. For example, message passing functions send messages using the same application interface and parameters, whether the destination task resides on the same processor, same board, or any other board within the fabric. The hardware abstraction provided by Continuum IPC ensures that applications written for current generation processors and fabrics will be easily portable to the next generation. Depending on the board and fabric architecture, IPC uses Serial RapidIO® (sRIO), StarFabric, PCI Express® (PCIe) or PCI/X as on-board and/ or inter-board interconnects.
The library determines the location and end-point addressing for source and destination as applications open endpoints for input (receiving messages) or output (sending messages). With routing information stored within each processor, the software does not impose a single point of failure as would result from a centralized table of buffer or destination mapping information.
- High performance, low latency and easy-to-use messaging and data transfer capabilities
- Task-based communications between processor cores, processors on-board, or processors within a fabric
- Platform and fabric independence allow easy migration to emerging interconnect standards while architectural details are hidden
- Distributed design with no single points of failure
- Supports dynamic entry of nodes for high availability applications
- Dynamic name space management allows message endpoints and data buffers to be identified by application-determined names at run-time
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- High-performance, low latency message passing library POSIX-style application interface
- Message passing features priorities, time-outs, and copyless transfers
- Bulk data transfer from any processor’s memory to any other processor’s memory
- Memoryless signaling from any processor to any other processor
- Global buffer and global semaphore API
- Segmented block transfer capability supports memory striding, matrix manipulation and submatrix selection
- Support for multi-core processors
- Supported under VxWorks on CHAMP multi-processor boards, FPGA boards, and single board computers
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