NComputing VSPACE U170, Configuring

Page 1: ...achine resulting in wasted resources and wasted power NComputing takes this excess power and shares it among multiple users resulting in more efficient usage of resources and hence lower costs easier...

Page 2: ...logy in advance to make sure you understand what it will look like in advance performance and power considerations noted below and what cables and hubs will be needed We will provide a topology check...

Page 3: ...cessor utilization that enables all tasks to be serviced equally This means that even if the CPU usage spikes to 100 vSpace and the operating system evenly distribute the available CPU capacity across...

Page 4: ...andwidth depending on whether they have one or two USB buses The table below describes the maximum bandwidth of the USB bus for modern PC motherboards PCs that contain multiple EHCI controllers will h...

Page 5: ...troller is the number of USB buses In the example below the PC has two USB buses To take advantage of multiple controllers connect any downstream hubs back to the PC directly rather than connecting al...

Page 6: ...is really no difference between running 10 users on a single multi user PC or running 10 stand alone PC s Just make sure to connect the host to the LAN with the proper allowances for multiple users to...

Page 7: ...cument This is a daisy chained topology of 5 hops Note that the power hubs add the ability to hop and an extra USB port in the first two U170 devices This is a topology of only 3 hops Note that the fi...

Page 8: ...no need for a USB hub if there are enough ports available We connected the four U170 devices directly to four USB ports in the back as shown in the picture below To demonstrate the performance we star...

Page 9: ...t 85 and memory usage is less than 600MB of memory while all devices are running full screen video at the same time This shows that this low cost dual core CPU has no problem handing the four streams...

Page 10: ...ull screen videos depending upon the video format size decoder player and USB bus implementation can play without a noticeable frames dropping If your usage pattern is to use a lot of full screen vide...

Page 11: ...xceed 100 As long as these two key parameters are appropriately sized for the application the performance for each U170 user should be comparable to that of the host PC U170 10 User Environment In our...

Page 12: ...Computing is a registered trademark Other trademarks and trade names are the property of their respective owners Copyright 2010 Five U170 devices connected to a hub Four U170 devices connected to a hu...

Page 13: ...across a total of 10 users The applications are listed in Table 1 Table 1 Active Applications Application List Microsoft Paint Microsoft Word Microsoft Excel Microsoft PowerPoint Microsoft Internet Ex...

Page 14: ...this configuration The total set of applications and video clips playing are captured in the matrix below App1 App2 App3 App4 Multi Media Clip User 1 host Windows Task Manager User 2 640 x 360 video...

Page 15: ...e and multimedia applications with plenty of CPU and memory resources to spare These environments demonstrate how NComputing vSpace desktop virtualization technology can utilizes excess PC computing c...

Page 16: ...1 PC Lenovo 3000 H Series Host2 PC Gateway DX 4822 03 Nine U170 kit 10 LCD monitors 10 Keyboards and mice 1 D Link 7 port USB hub 1 D Link 5 port USB hub Two 5 meter USB repeaters Setting up this demo...

Page 17: ...he screens flash by so quickly you cannot actually see what is going on Nobody types that fast or switches screens that quickly in real life Benchmarking a shared computing or desktop virtualization e...

Page 18: ...hrough its simulated work load we can observe the system resource utilization through the performance monitor Ideally CPU performance should average below 90 memory utilization should generally be les...