bw_mem_rd
allocates the specified amount of memory, zeros it, and then times the
reading of that memory as a series of integer loads and adds. Each
four byte integer is loaded and added to accumulator.
The size
specification may end with ``k'' or ``m'' to mean
kilobytes (* 1024) or megabytes (* 1024 * 1024).
OUTPUT
Output format is "%0.2f %.2f\\n", megabytes, megabytes_per_second, i.e.,
8.00 25.33
MEMORY UTILIZATION
This benchmark should move approximately the reported amount of memory.
ACKNOWLEDGEMENT
Funding for the development of
this tool was provided by Sun Microsystems Computer Corporation.