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IWAVE combines minimal physics- and scheme-specific code with
a common base of memory allocation, SPMD communication and other forms
of parallelism, i/o, and
job control code to produce complete wave modeling applications. This
paper explains what code must be written to implement a wave modeling
application in IWAVE, and how IWAVE makes various modeling options
available via a set of examples. It ends with a discussion of various
other extensions and capabilities, implemented or planned, including
various forms of inversion.
The next section describes the general organization of the IWAVE core
code and the additional code that must be added to form an
application. Following this generic structural description, I explain
how to implement it in the case of the simplest useful example,
constant density acoustics.
Some design aspects of IWAVE arise from the intended use cases not
discussed here: parallel processing of shots, subdomains, and loops,
and interface with an object oriented optimization package, the Rice
Vector Library, to facilitate inversion applications. These use cases
and their design implications will form the subjects of other reports.
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Previous: IWAVE Structure and Basic
2015-04-20