Rock64 performance: eMMC / SD Card / USB3 (SSD/HDD)
#11
(08-15-2017, 03:37 PM)Luke Wrote:
(08-15-2017, 02:42 PM)stuartiannaylor Wrote: The Armbian guys have been doing a lot of performance testing.
https://forum.armbian.com/index.php?/topic/4583-rock64/

Tkaiser is one of there main guys
"With more capable SSDs and USB Attached SCSI we now get 380MB/s and network performance with Linux is 940 Mbits/sec in both directions. ROCK64 is the fastest SBC for NAS use cases currently around. Some details especially in the posts below: https://forum.openmediavault.org/index.p...post148428"

The comments on CNX also have quite a bit of additional info.
http://www.cnx-software.com/2017/06/08/r...d-usb-3-0/

We know :Smile tkaiser is a regular in the chat and a mod in OMV - so hes got personal interest in the matter and insight. Useful and valuable posts - good thing you shared them on here.

Should I be saying "Is that you luke" as the SoC force is with that one.

Been reading TKaiser comments for a while and much appreciated.
#12
(08-15-2017, 03:40 PM)stuartiannaylor Wrote:
(08-15-2017, 03:37 PM)Luke Wrote:
(08-15-2017, 02:42 PM)stuartiannaylor Wrote: The Armbian guys have been doing a lot of performance testing.
https://forum.armbian.com/index.php?/topic/4583-rock64/

Tkaiser is one of there main guys
"With more capable SSDs and USB Attached SCSI we now get 380MB/s and network performance with Linux is 940 Mbits/sec in both directions. ROCK64 is the fastest SBC for NAS use cases currently around. Some details especially in the posts below: https://forum.openmediavault.org/index.p...post148428"

The comments on CNX also have quite a bit of additional info.
http://www.cnx-software.com/2017/06/08/r...d-usb-3-0/

We know :Smile tkaiser is a regular in the chat and a mod in OMV - so hes got personal interest in the matter and insight. Useful and valuable posts - good thing you shared them on here.

Should I be saying "Is that you luke" as the SoC force is with that one.

Been reading TKaiser comments for a while and much appreciated.

and if he doesn't use the word 'crap' in one sentence with the name of your product, then you probably did something right Wink
You can find me on IRC, Discord and Twitter


#13
(08-15-2017, 03:53 PM)Luke Wrote:
(08-15-2017, 03:40 PM)stuartiannaylor Wrote:
(08-15-2017, 03:37 PM)Luke Wrote:
(08-15-2017, 02:42 PM)stuartiannaylor Wrote: The Armbian guys have been doing a lot of performance testing.
https://forum.armbian.com/index.php?/topic/4583-rock64/

Tkaiser is one of there main guys
"With more capable SSDs and USB Attached SCSI we now get 380MB/s and network performance with Linux is 940 Mbits/sec in both directions. ROCK64 is the fastest SBC for NAS use cases currently around. Some details especially in the posts below: https://forum.openmediavault.org/index.p...post148428"

The comments on CNX also have quite a bit of additional info.
http://www.cnx-software.com/2017/06/08/r...d-usb-3-0/

We know :Smile tkaiser is a regular in the chat and a mod in OMV - so hes got personal interest in the matter and insight. Useful and valuable posts - good thing you shared them on here.

Should I be saying "Is that you luke" as the SoC force is with that one.

Been reading TKaiser comments for a while and much appreciated.

and if he doesn't use the word 'crap' in one sentence with the name of your product, then you probably did something right Wink

I am still waiting for my Rock64 to turn up and haven't been waiting for long, but full of questions.

Does anyone know which eMMC is supplied with the Rock64 when you order. (part number)
Was doing some checking on  say Samsung KLM8G1GEME-B041 eMMC 5.1 flash chip with up to 200/50 MB/s sequential R/W speeds.
That is quite a bit faster than a Class10 SD which may only be 80/20 MB/s say with an Evo+ SD.
But I guess it depends on the eMMC supplied. Is it 4.41, 5.0 or 5.1?
#14
http://opensource.rock-chips.com/images/...170309.pdf

eMMC Interface
 Compatible with standard iNAND interface
 Compatible with eMMC specification 4.41, 4.51, 5.0 and 5.1
 Support block size from 1 to 65535Bytes
 Support three data bus width: 1-bit, 4-bit or 8-bit
 Support up to HS200; but not support CMD Queue and HS400

With a 200Mhz clock & 8 bit data bus the interface should be capable of a theoretical throughput of 200 MB/s

But what HS200 is and how its employed on the ROCK64 ??! I am not worthy Smile

If we are getting the same speed as SD purely because of the cost of the sourced eMMC in the store then it doesn't make a lot of sense if for a few bucks more you can more than double SD throughput?

http://www.samsung.com/global/business/s...l_HR-0.pdf
#15
(08-16-2017, 07:42 AM)stuartiannaylor Wrote: http://opensource.rock-chips.com/images/...170309.pdf

eMMC Interface
 Compatible with standard iNAND interface
 Compatible with eMMC specification 4.41, 4.51, 5.0 and 5.1
 Support block size from 1 to 65535Bytes
 Support three data bus width: 1-bit, 4-bit or 8-bit
 Support up to HS200; but not support CMD Queue and HS400

With a 200Mhz clock & 8 bit data bus the interface should be capable of a theoretical throughput of 200 MB/s

But what HS200 is and how its employed on the ROCK64 ??! I am not worthy Smile

If we are getting the same speed as SD purely because of the cost of the sourced eMMC in the store then it doesn't make a lot of sense if for a few bucks more you can more than double SD throughput?

http://www.samsung.com/global/business/s...l_HR-0.pdf

HS200 is basically the spec for running eMMC at 200Mhz (and therefore theoretical 200MB/s output, as you mentioned).

The eMMC that came with the preproduction Rock64s comes close to saturating its bus. It is the same chip family (Foresee NCEMBSF9) that comes in the Pinebooks. I think it is still what is for sale on the Pine store, though I could be wrong.
Community administrator and sysadmin for PINE64
(Translation: If something breaks on the website, forum, or chat network, I'm a good person to yell at about it)

#16
(08-16-2017, 08:23 AM)fire219 Wrote:
(08-16-2017, 07:42 AM)stuartiannaylor Wrote: http://opensource.rock-chips.com/images/...170309.pdf

eMMC Interface
 Compatible with standard iNAND interface
 Compatible with eMMC specification 4.41, 4.51, 5.0 and 5.1
 Support block size from 1 to 65535Bytes
 Support three data bus width: 1-bit, 4-bit or 8-bit
 Support up to HS200; but not support CMD Queue and HS400

With a 200Mhz clock & 8 bit data bus the interface should be capable of a theoretical throughput of 200 MB/s

But what HS200 is and how its employed on the ROCK64 ??! I am not worthy Smile

If we are getting the same speed as SD purely because of the cost of the sourced eMMC in the store then it doesn't make a lot of sense if for a few bucks more you can more than double SD throughput?

http://www.samsung.com/global/business/s...l_HR-0.pdf

HS200 is basically the spec for running eMMC at 200Mhz (and therefore theoretical 200MB/s output, as you mentioned).

The eMMC that came with the preproduction Rock64s comes close to saturating its bus. It is the same chip family (Foresee NCEMBSF9) that comes in the Pinebooks. I think it is still what is for sale on the Pine store, though I could be wrong.

I ordered a 32Gb eMMC module with the Rock64 because I made the presumption it would be faster than my usual choice of a Samsung EVO+ 32Gb as they seem to work fine.
Its no biggie as I am just like a child in a sweet shop and just tinkering when I get delivery.

I thinks its me who misread some info or picked up a bum steer along the way as I got it in my head that it was being said not much difference.
Yeah I think HS200 is single channel & HS400 is dual channel but near 200MB/s is a lot, lot quicker than my experience of a Pi 3 with an Evo+


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