PP Presentation
Mapping Between Gather-List and
Scatter-List Using a Logical Window
The Source object might be distributed regular or irregular source segments or a striped object. The source-descriptors map the sources to the window.
The Sink object might be distributed regular or irregular sink segments or be a striped object. The sink-descriptors map the window to the sinks.
A
B
A
B
A
B
A
B
A
B
X
Y
Z
X
Y
Z
X
Y
Z
X
Y
Z
X
Y
Z
or
or
Any source data layout can be mapped to any sink data layout through the window.