Real-time Java Support and Real-Time Garbage Collection
Scorpion uses patented technology that provides for deterministic time bound garbage collection, a prerequisite for executing bounded, hard real-time applications. The Scorpion garbage collector is distributed, which reduces overall Java complexity. The Scorpion garbage collector also enhances memory efficiency and performance by reducing garbage accumulation and the memory/time required to mark and collect it.
A real-time thread in Scorpion is not restricted in its memory usage but can freely use the heap. This means that Java’s full object-oriented feature set can be used throughout the application, also in the real-time threads.
The time-bound and predictable amount of garbage collection work is carried out each time memory is allocated. There is no dedicated garbage collection thread to disrupt execution at unpredictable times. Figure 1 also illustrates that all threads can be real-time threads.
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