BW_MEM_RD(8) - Linux man page online | Administration and privileged commands
Time memory read rate (with overhead).
BW_MEM_RD(8) LMBENCH BW_MEM_RD(8)
(c)1994 Larry McVoy $Date$ BW_MEM_RD(8)
NAMEbw_mem_rd - time memory read rate (with overhead)
DESCRIPTIONbw_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).
OUTPUTOutput format is "%0.2f %.2f\n", megabytes, megabytes_per_second, i.e., 8.00 25.33
MEMORY UTILIZATIONThis benchmark should move approximately the reported amount of memory.
ACKNOWLEDGEMENTFunding for the development of this tool was provided by Sun Microsystems Computer Corpo‐ ration.
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