SIMPLE SOLUTIONS

BW_MEM_RD(8) - Linux man page online | Administration and privileged commands

Time memory read rate (with overhead).

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$Date$
BW_MEM_RD(8) LMBENCH BW_MEM_RD(8)

NAME

bw_mem_rd - time memory read rate (with overhead)

SYNOPSIS

bw_mem_rd size

DESCRIPTION

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 Corpo‐ ration.

SEE ALSO

lmbench(8).
(c)1994 Larry McVoy $Date$ BW_MEM_RD(8)
This manual Reference Other manuals
bw_mem_rd(8) referred by bw_mmap_rd(8)
refer to lmbench(8)
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