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SD Benchmarks
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| kernel 3 CONFIG_PM_RUNTIME=y + CONFIG_MMC_CLKGATE=y (the write speed is not costant, many speed drops) | |
| clkgate_delay: 200 500 700 1000 | |
| Read Speed: 12.7 MB/s 13.3 MB/s 13.3 MB/s 14.2 MB/s | |
| Write Speed: 9.6 MB/s 10.9 MB/s 8.8 MB/s 9.5 MB/s | |
| -------------------------------------------------------------------------------------------------------------------------- | |
| kernel 3 CONFIG_PM_RUNTIME=n + CONFIG_MMC_CLKGATE=y (the write speed is not costant, some speed drops) | |
| clkgate_delay: 200 350 500 525 550 600 700 1000 2000 | |
| Read Speed: 13.5 MB/s 13.8 MB/s 13.8 MB/s 13.4 MB/s 14.0 MB/s 13.6 MB/s 12.8 MB/s 12.9 MB/s 12.8 MB/s | |
| Write Speed: 9.6 MB/s 10.2 MB/s 11.2 MB/s 9.9 MB/s 9.6 MB/s 10.2 MB/s 11.5 MB/s 10.3 MB/s 10.2 MB/s | |
| -------------------------------------------------------------------------------------------------------------------------- | |
| kernel 3 CONFIG_PM_RUNTIME=n + CONFIG_MMC_CLKGATE=n | |
| Read Speed : 13.6 MB/s | |
| Write Speed: 14.3 MB/s | |
| -------------------------------------------------------------------------------------------------------------------------- | |
| Kernel 3 CONFIG_PM_RUNTIME=y + CONFIG_MMC_CLKGATE=y + this patch: https://gist.github.com/HandyMenny/85a34539b1aa5beadbda + clkgate_delay=500 | |
| Read Speed: 13.3 MB/s | |
| Write Speed: 14.9 MB/s |
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