Need UX benchmark data

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ArchiMark
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Postby ArchiMark » Tue Oct 11, 2011 13:43

Thanks for your input, bigs!

Ultimately low power, extra durability plus fast write speeds makes for a very nice drive.


You're referring to Samsung SSD here?....and thanks for the explanation about Runcore performance....but per my post up above, it's interesting how the Runcore when in my OQO 2+ runs as DMA5 instead of DMA2 on the UX...and it runs faster and smoother feeling on the OQO....likewise the Samsung runs as DMA5 on UX and is faster....so, seems like the trick is to know which SSD's run as DMA5 on UX....
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ceehoppy1st
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Postby ceehoppy1st » Tue Oct 11, 2011 15:48

Have you tried checking with runcore for a firmware update?
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bigs
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Postby bigs » Tue Oct 11, 2011 19:46

check if the runcore model you have uses the jmicron chipset. If it is, the firmware update will not improve the performance substantially.
micropc hardware: sony ux17gp with 390N mainboard with Anh u7700 upgrade core2duo 1.33ghz 1024mb (now upgraded to 64gb SLC SSD Samsung), Intel 4965 agn wireless, upgrade addon 3rd mini aerial, UX37GBN blue housing incorporating improved keyboard
OS: Linux Ubuntu 10.04 lucid & now 12.04 Precise Pangolin!
sony 380N stock 1.33ghz, 1gb ram, and 40gb rotational drive OS: windows ultimate
light slim notebook: toshiba r200 1.3ghz 1.2gb ram 64gb photofast v1 ssd oS: linux ubuntu 7.04 feisty fawn

ArchiMark
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Postby ArchiMark » Wed Oct 12, 2011 08:29

ceehoppy1st wrote:Have you tried checking with runcore for a firmware update?



Good idea... will check....
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ArchiMark
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Postby ArchiMark » Wed Oct 12, 2011 08:35

bigs wrote:check if the runcore model you have uses the jmicron chipset. If it is, the firmware update will not improve the performance substantially.


Company I bought from thinks it's JMicron, but will check with Runcore...

Meanwhile, got hdparm working, ran info on drive and lists udma modes up to udma6...testing udma5 right now.

Got much higher Read scores now, but slightly lower Write score, seems odd....

Think it's OK to test udma6???

Read Write

SEQ 81.65 30.47

512K 77.21 29.62

4K 17.39 6.056

4K 24.18 5.956
QD32


Thanks.
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bigs
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Postby bigs » Wed Oct 12, 2011 09:34

UDMA6 can help for reading, but as for write speeds they are the bottlenexk of MLC based SSD.

write speeds can never be as fast as the samsung SLC, as SLC is hard to beat, and the memory chips cost alot more than MLC chips. The only way MLC NAND found in modern SSD like runcore and photofast is by using large buffer RAM, hence why photofast V4 has 64Mb cache to assist.

Newer SATA based MLC SSDs have improved overall performance by running more memory chips in parallel, is essence a form of stripe RAID.
micropc hardware: sony ux17gp with 390N mainboard with Anh u7700 upgrade core2duo 1.33ghz 1024mb (now upgraded to 64gb SLC SSD Samsung), Intel 4965 agn wireless, upgrade addon 3rd mini aerial, UX37GBN blue housing incorporating improved keyboard

OS: Linux Ubuntu 10.04 lucid & now 12.04 Precise Pangolin!

sony 380N stock 1.33ghz, 1gb ram, and 40gb rotational drive OS: windows ultimate

light slim notebook: toshiba r200 1.3ghz 1.2gb ram 64gb photofast v1 ssd oS: linux ubuntu 7.04 feisty fawn

ArchiMark
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Postby ArchiMark » Wed Oct 12, 2011 14:06

bigs wrote:UDMA6 can help for reading, but as for write speeds they are the bottlenexk of MLC based SSD.


Thanks for info....ran test using udma6 but got low scores about same as udma2 cores, odd....

write speeds can never be as fast as the samsung SLC, as SLC is hard to beat, and the memory chips cost alot more than MLC chips. The only way MLC NAND found in modern SSD like runcore and photofast is by using large buffer RAM, hence why photofast V4 has 64Mb cache to assist.

Newer SATA based MLC SSDs have improved overall performance by running more memory chips in parallel, is essence a form of stripe RAID.


Probably best to put back the Samsung in UX for now and save up $'s for good SLC 64 or 128GB SSD..... just tried udma5 again and diskmark test, now I get low scores again, so the hdparm trick doesn't seem to give consistent results.....so, more reason to put back Samsung for now...
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bigs
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Postby bigs » Wed Oct 12, 2011 18:52

yup the largest economical slc ssd for the us seems to be the 64gb samsung slc It is one of the oldest design ssd out there, but being slc it will last 10 times longer than mlc, plus has amazing write speeds, with no shutter effects or slow downs.
micropc hardware: sony ux17gp with 390N mainboard with Anh u7700 upgrade core2duo 1.33ghz 1024mb (now upgraded to 64gb SLC SSD Samsung), Intel 4965 agn wireless, upgrade addon 3rd mini aerial, UX37GBN blue housing incorporating improved keyboard

OS: Linux Ubuntu 10.04 lucid & now 12.04 Precise Pangolin!

sony 380N stock 1.33ghz, 1gb ram, and 40gb rotational drive OS: windows ultimate

light slim notebook: toshiba r200 1.3ghz 1.2gb ram 64gb photofast v1 ssd oS: linux ubuntu 7.04 feisty fawn

ArchiMark
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Postby ArchiMark » Thu Oct 13, 2011 06:04

bigs wrote:yup the largest economical slc ssd for the us seems to be the 64gb samsung slc It is one of the oldest design ssd out there, but being slc it will last 10 times longer than mlc, plus has amazing write speeds, with no shutter effects or slow downs.


That's good to know bigs....fwiw, my UX came with the 48gb Samsung....

I saw there's a Photofast SLC version, but not cheap.....
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bigs
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Postby bigs » Thu Oct 13, 2011 10:44

yup slc is really dare, hence why we find alot more mlc based ssd on the market. I know the 48gb samsungs came stock with 490N, and someother models. the 64gb samsung slc is aftermarket addon for the ux, commonly found stock in the mac book air 1st revision.
micropc hardware: sony ux17gp with 390N mainboard with Anh u7700 upgrade core2duo 1.33ghz 1024mb (now upgraded to 64gb SLC SSD Samsung), Intel 4965 agn wireless, upgrade addon 3rd mini aerial, UX37GBN blue housing incorporating improved keyboard

OS: Linux Ubuntu 10.04 lucid & now 12.04 Precise Pangolin!

sony 380N stock 1.33ghz, 1gb ram, and 40gb rotational drive OS: windows ultimate

light slim notebook: toshiba r200 1.3ghz 1.2gb ram 64gb photofast v1 ssd oS: linux ubuntu 7.04 feisty fawn


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