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Speed observations on various loaders

Mr.Poindexter

Mr.Poindexter

Well-known member
⭐️ Premium ⭐️
Authorized Kaleidescape Dealer
I loaded a large number of CD's, DVDs and BluRay discs recently and spread the importing over several different import devices and thought I would share what I have seen. Certainly the M500 readers were much faster for DVD, but curiously they were slower for CD compared to the old KReader I have.

I used a Speedreader and a KREADER at the same time for 3 simultaneous streams of CD/DVD. Later, when the BluRay units came in, I used two M500 Bluray readers and one KREADER for 3 simultaneous stream. All were connected via gig-E to a 3U KSERVER via a Dell managed switch.

These are average load times across my collection. I did not feel like doing an exact copy of titles because I had better things to do than delete and reload a high number of discs, but here is what I got from a decent sample size.

For average speed on DVDs, I had to eliminate "problem discs" to give a fair reading, since I had one disc at OVER 37 hours (Anne of Green Gables, part 1, side 1) which would skew the numbers greatly.

I also included the average times for direct server transfer, but I did not count how many titles I did that way - suffice it to say it was a lot via server transfer.

BluRay - 41 discs loaded
Fastest Loading - 38 minutes - The Bank Job
Longest loading - (tie) 2 hours, 50 minutes - Dollhouse, Season 1, Disc 1 & Terminator 2
Average Load time - 1 hours, 59 minutes

DVD - 865 discs loaded
M500: 234 discs loaded, average 22.141 minutes each (4min low, 58 min high)
Speedreader: 461 discs loaded, average 23.718 minutes each (3min low, 45min high)
KReader: 170 discs loaded, average 36.6 minutes each (10 min low, 60 min high)
Direct server transfer from a 5U server was 6.821 minutes per title.

CD - 677 discs loaded
M500: 14 discs loaded, average 16.000 minutes each (8 min. low, 22 min. high)
Speedreader: 568 discs loaded, average 5.826 minutes each. (36sec low, 21 min. high)
KReader: 95 discs loaded, average 8.726 minutes each. (2min. low, 35 min. high)
Direct server transfer from a 5U server was 31.3 seconds per title.
 
Interesting Mike, I've seen very similar results from a few different loaders.


Jim
 
Yeah. Unfortunately, I don't have numbers from my discs loaded with the old carousel bulk loader, but I think it was faster for DVD than the speed reader in actual use because it would reload as each disc was finished, rather than reloading 2 discs once both were finished like the speedreaders do.
 
Mike, Jim,

Here is some information on this from our Knowledge Base. This data is based on a much larger sample.

[K001310] How long does it take to import a disc?

M-Class players import most Blu-ray Discs in one hour, most DVDs in 10?15 minutes and most CDs in 15?20 minutes. Non-M-Class players import most DVDs in 15?20 minutes and most CDs in 5?10 minutes. The Kaleidescape Speed Reader, with its two DVD/CD-ROM drives, reaches import speeds of six DVDs or sixteen CDs per hour.

A scratched, dirty, or poorly-authored disc may take longer to import. Imports may also take longer when the import device is playing back content.

For the fastest import speed with an M500 Player or Speed Reader, use a Gigabit network connection.

Direct link to this article:
http://www.kaleidescape.com/support/knowledgebase.php?article_id=50150000000M0xT

Tom Barnett
Kaleidescape, Inc.
 
Responding to another question: the Speed Reader is about 50% faster than the Bulk Loader. (4 DVDs/hour for the Bulk Loader, 6 DVDs/hour for the Speed Reader)

Tom
 
Weird that the older players import CDs 2 to 3 times faster than M-Class.
 
Yeah, but I think they are using a DVD/CD ROM drive with a higher CD speed than the BluRay/DVD/CD ROM drives. I don't know the reason, but it might be cost associated with the drive motor for that high a CD speed coupled with the fact that most people do not demand the highest CD reading speed any longer.
 
For example, here are two drives I found in a minute via google:

BluRay ROM 2x/8x/24x
http://www.sonystyle.com/webapp/wcs...&productId=8198552921665305102#specifications

DVD ROM 16x/48x
http://www.techtastic.ca/reviews/liteon16xdvd.html

The current speed winner I believe is this one:
http://www.slashgear.com/samsung-sh-b123-blu-ray-drive-offers-12x-read-performance-1589872/

I suspect that these drives will get faster over time and we will have faster loading performance in the future, although with the vault it will likely not be that big of an issue, especially if they start the import process by identifying each disc and adding it to the menu and allowing you to play from disc any titles that are not already loaded onto the hard drives.
 
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