eCAL internals

eCAL internals

• Performance measurements
• Transport Layers
  • Available transport layers
  • Default transport layers
  • Configuration of transport layers
    • eCAL SHM Layer
      • How does it work
      • Configuration
        • Handshake mechanism (optional)
        • Zero Copy mode (optional)
          • eCAL Zero Copy
            • Enabling eCAL Zero Copy
            • Full Zero Copy behavior
              • Shared-Memory-only connection
              • Mixed Layer connection
            • Low Level Memory Access
            • Default eCAL SHM vs. Full Zero Copy SHM
            • Combining Zero Copy and Multibuffering
        • Multi-buffering mode (optional)
    • eCAL UDP Layer
    • eCAL TCP Layer
      • Motivation
      • How to use
    • eCAL Inner-Process Layer
• Message Drops
  • Dropping on Transport Layer
  • Dropping in application layer
• Threading model
• eCAL Measurement Format
  • Requirements for a measurement format
  • Design decisions
    • Compatibility of file versions
  • Implementation details
    • Measurement folders
    • Top level hdf5 file
    • Payload datasets
    • Channel datasets
    • Inserting new message frames