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bw_mem_rd
Langue: en
Version: $Date$ (ubuntu - 08/07/09)
Section: 8 (Commandes administrateur)
NAME
bw_mem_rd - time memory read rate (with overhead)SYNOPSIS
bw_mem_rd sizeDESCRIPTION
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.SEE ALSO
lmbench(8).Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre