Full Index for Basic foilset 
| Review the mpiJava wrapper interface. |
| Discuss incorporation of derived datatypes in the Java API, and limitations. |
| Adding object serialization at the API level. |
| Describe implementation using JDK serialization. |
| Benchmarks for naïve implementation. |
| Ongoing work: optimizing serialization. |
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Object Serialization for Marshalling Data in a Java Interface to MPI
Some issues in design of a Java API for MPI
Representing Message Buffers
Overview of this talk
Related projects
The mpiJava wrapper
mpiJava features.
Class hierarchy
Minimal mpiJava program
mpiJava implementation issues
mpiJava performance
MPI datatypes
Basic Datatypes
Derived datatypes
Restricted model
Limitations
Object datatypes
Automatic serialization
Implementation issues for Object datatypes
Modifications to mpiJava
Benchmarking mpiJava with serialization
Timing model
Platform
Non-shared memory: byte
Non-shared memory: float
Shared memory: byte
Shared memory: float
Parameters in timing model (microseconds)
Benchmark lessons
Improving serialization
Eliminating overheads of element serialization
Improved protocol
Customized output stream class
Customized input stream class
Non-shared memory: float (optimized in red)
Non-shared memory: byte (optimized in red)
Shared memory: float (optimized in red)
Shared memory: byte (optimized in red)
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