op 20-02-14 14:06, Fengguang Wu schreef:
Hi Maarten,We are glad to find that your commit 339a3922f68dcb7d93001f07b7e914d5cf6c066d ("decrease useless padding") increased aim disk_src performance by 4.3%: 74833276be6802b 339a3922f68dcb7d93001f07b --------------- ------------------------- 511685 ~ 0% +4.3% 533571 ~ 0% TOTAL aim7.2000.jobs-per-min 77.30 ~ 0% -9.9% 69.66 ~ 0% TOTAL time.system_time 1.95 ~ 2% +7.0% 2.09 ~ 2% TOTAL iostat.sda.rrqm/s 23.57 ~ 0% -4.1% 22.60 ~ 0% TOTAL time.elapsed_time 425 ~ 0% -3.1% 412 ~ 0% TOTAL time.percent_of_cpu_this_job_got 7.59 ~ 0% -2.9% 7.37 ~ 0% TOTAL boottime.dhcp 15.24 ~ 0% -1.9% 14.94 ~ 0% TOTAL boottime.boot
Really? I just did it to get rid of the 15-byte nop sequences with tons of prefixes. Interesting.. ~Maarten -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
