Date: Sun, 13 May 2018 11:13:24 +0530 From: Udit agarwal <dev.madaari@gmail.com> To: freebsd-performance@freebsd.org Subject: Feedback on FreeBSD SD card benchmarking results Message-ID: <CAM0bxh-inLc8Z6NStbQfq3szBQYh-ZMOUadYP3Rb99bMg4tOqA@mail.gmail.com>
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Hi all, I did some benchmarking of a sd card on freebsd 11.1 with my objective being: - To determine the effect of filesystem on SD card's performance with two different drivers, SDHCI and SDIO driver. - To compare the performance of SDHCI and SDIO driver, under different conditions - To analyze the effect of disk caching on Linux and FreeBSD Here are the results: https://docs.google.com/spreadsheets/d/1_ lf9S136z0tJyni9W3t1__Rlrkal1fd6L7-vnlmYQpc/edit?usp=sharing I used IOZONE for benchmarking. However, it doesn't look like that i'm able to analyze the performance of disk caching. Using the same command on linux shows a wide variation after enabling/disabling disk caching, while on freebsd it shows no variation(see test 3 graphs on spreadsheet shared) that's wary! Apart from the benchmark i used, In what other way i can estimate the effect of disk caching on FreeBSD? Regards, Udit agarwal
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