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TEST#1Objective: To determine the effect of filesystem on SD card's performance with two different drivers, SDHCI and SDIO driver.
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Test Conditions:
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Platform: FreeBSD 11.1 , BeagleBone Black
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Benchmark used: IOZONE 3.457
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Note:SD card: SanDisk 8Gb, HC
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 Unless specified, all tests are performed with disk caching OFF
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Raw test results can be found in the adjacent sheet with name IOZONE
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Command used: iozone -e -I -a -s 100M -r 4k -r 512k -r 16M -R -i 0 -i 1 -i 2 -f /dev/sdda0s1
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TEST#2Objective: To compare the performance of SDHCI and SDIO driver, under different conditions
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Test Conditions:
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Platform: FreeBSD 11.1 , BeagleBone Black
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Benchmark used: IOZONE 3.457
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Note:SD card: SanDisk 8Gb, HC
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 Unless specified, all tests are performed with disk caching OFF
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Raw test results can be found in the adjacent sheet with name IOZONE
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Command used: iozone -e -I -a -s 100M -r 4k -r 512k -r 16M -R -i 0 -i 1 -i 2 -f /dev/sdda0s1
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TEST#3Objective: To analyze the effect of disk caching on Linux and FreeBSD
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Test Conditions:
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Platform: FreeBSD 11.1 , BeagleBone Black
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Benchmark used: IOZONE 3.457
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Note:SD card: SanDisk 8Gb, HC
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Raw test results can be found in the adjacent sheet with name IOZONE
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Command used (without caching): iozone -e -I -a -s 100M -r 4k -r 512k -r 16M -R -i 0 -i 1 -i 2 -f /dev/sdda0s1