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Author Topic: Linux 2.6.30-rc3 SDHC performance faster than the stock kernel  (Read 1744 times)
pushbx
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« on: May 01, 2009, 12:00:55 PM »

I did a bunch of SDHC benchmarks with the stock kernel and the results were unimpressive.  8.4MB/s read and 1.7MB/s write.  Yesterday I compiled a new kernel from mainline 2.6.30-rc3 and patched it with the MMC patch.  I reran my test and the SDHC performance is MUCH better. 19.03MB read and 6.5MB writes.  The new numbers matched what I get when I run the same memory card on a fast machines.

I think Marvell should push out the new kernel as soon as possible, and perhaps provide a new jffs image that can be burned into the flash.
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tony.p.lee
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« Reply #1 on: June 08, 2009, 11:26:26 PM »

I know the patches enable the faster performance were submitted by Marvell Engineers.

I worked with a few of them.  Great bunch of folks. Fun to hang around with on IRC.
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bogolisk
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« Reply #2 on: June 09, 2009, 02:43:46 PM »

I know the patches enable the faster performance were submitted by Marvell Engineers.

I worked with a few of them.  Great bunch of folks. Fun to hang around with on IRC.


would you mind letting me which #channel and which server?
Some nicks (of those Marvell Eng) would be nice to know...

Thanx
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