Tapeless workflows and Sandy Bridge or other PC's: KISS or LOVE? at DVinfo.net

Go Back   DV Info Net > Cross-Platform Post Production Solutions > Adobe Creative Suite

Adobe Creative Suite
All about the world of Adobe Premiere and its associated plug-ins.


Reply
 
Thread Tools Search this Thread
Old January 18th, 2011, 11:00 AM   #1
Trustee
 
Join Date: Aug 2006
Location: Rotterdam, Netherlands
Posts: 1,832
Tapeless workflows and Sandy Bridge or other PC's: KISS or LOVE?

For those interested in the new Sandy Bridge architecture, this may be worth reading. At least I did my best to make this readable and informative for you.

Adobe Forums: Tapeless workflows and Sandy Bridge or...
Harm Millaard is offline   Reply With Quote
Old January 18th, 2011, 01:05 PM   #2
Major Player
 
Join Date: Nov 2009
Location: Melrose Park, Illinois, USA
Posts: 936
Thanks for the proof that the LGA 1155 platform is ill-suited for anything more than a KISS drive configuration. Although there are technically four PCIe lanes open for PCIe expansion cards on the LGA 1155 platform (after accounting for onboard USB3, PCIe-to-PCI bridge and additional SATA/IDE controllers), the few motherboards that have PCIe x4 slots actually share the bandwidth of that slot with the PCIe x1 slots on those same boards. This means that ANY card plugged into a PCIe x1 slot would have forced the x4 slot to run in x1 mode. That hurts the performance of most discrete hardware RAID controllers. The only other place to put a RAID card would have been the second PCIe "x16" graphics slot (which is bifurcated from the main PCIe x16 slot, and thus both slots would have been forced to run in x8 mode). This does hurt MPE GPU performance.

A few high-end LGA 1155 motherboards have onboard PCIe lane repeaters. Unfortunately, while they create additional PCIe lanes, they do not change the total bandwidth of the CPU's integrated PCIe controller. So instead of 16 PCIe lanes operating at full PCIe 2.0 bandwidth, you now have 32 PCIe lanes that are artificially restricted to PCIe 1.0 bandwidth -- 2.5 GT/s instead of 5.0 GT/s.

Last edited by Randall Leong; January 18th, 2011 at 10:19 PM.
Randall Leong is offline   Reply With Quote
Old January 18th, 2011, 09:28 PM   #3
Major Player
 
Join Date: Nov 2009
Location: Melrose Park, Illinois, USA
Posts: 936
The condensed version of my above post is:

Unless someone has only an Nvidia graphics card and a discrete hardware RAID card (and no other expansion cards whatsoever), the current Sandy Bridge (LGA 1155) platforms do not allow both the graphics card and the RAID card to be run at their full speeds at the same time. Either the disk performance or the GPU performance would suffer, especially if that configuration also includes a sound card that's of better quality than the onboard one.
Randall Leong is offline   Reply
Reply

DV Info Net refers all where-to-buy and where-to-rent questions exclusively to these trusted full line dealers and rental houses...

Professional Video
(800) 833-4801
Portland, OR

B&H Photo Video
(866) 521-7381
New York, NY

Z.G.C.
(973) 335-4460
Mountain Lakes, NJ

Abel Cine Tech
(888) 700-4416
N.Y. NY & L.A. CA

Precision Camera
(800) 677-1023
Austin, TX

DV Info Net also encourages you to support local businesses and buy from an authorized dealer in your neighborhood.
  You are here: DV Info Net > Cross-Platform Post Production Solutions > Adobe Creative Suite

Thread Tools Search this Thread
Search this Thread:

Advanced Search

 



Google
 

All times are GMT -6. The time now is 03:47 AM.


DV Info Net -- Real Names, Real People, Real Info!
1998-2017 The Digital Video Information Network