IntelĀ® MPI Benchmarks User Guide and Methodology Description
This benchmark mimics the same situation as S_[ACTION]_indv, with a different strategy to access files. See the basic definitions and a schematic view of the pattern below.
|
Property |
Description |
|---|---|
|
Measured pattern |
As symbolized in figure I/O benchmarks, aggregation for output |
|
Elementary I/O action |
As symbolized in the figure below. |
|
MPI routines for the blocking mode |
MPI_File_write_at/MPI_File_read_at |
|
MPI routines for the nonblocking mode |
MPI_File_iwrite_at/MPI_File_iread_at |
|
etype |
MPI_BYTE |
|
File type |
MPI_BYTE |
|
MPI data type |
MPI_BYTE |
|
Reported timings |
t (in μsec) as indicated in the figure I/O benchmarks, aggregation for output, aggregate and non-aggregate for the Write flavor. |
|
Reported throughput |
x/t, aggregate and non-aggregate for the Write flavor |
