0
votes
1answer
60 views

Which is the most CPU-efficient virtualization solution on Linux? [closed]

I am interested in the following problem: When running CPU-intensive tasks inside a virtual machine, there is a certain CPU overhead, i.e. the same task takes a slightly longer time to run inside a ...
0
votes
1answer
634 views

Intel site says VT-x is supported on my CPU, but tests say otherwise

I have a laptop with an Intel 2nd Gen. i7-2729QM (http://ark.intel.com/products/50067/) and the Intel site says that it supports VT-x, but I've downloaded the Intel Processor Identification Utility ...
0
votes
0answers
112 views

Virtualbox, how to force a specific CPU to the guest

I have a XP guest in VirtualBox, windows 8 host. The guest shows the processor transparently same as the host (i5 2500k). However most of the installers don't recognize this processors and fail to ...
1
vote
1answer
2k views

Enabling VT-d on a Haswell 4770k

Well, don't I feel like a sucker. I built a new Haswell box since my old computer was positively ancient. I built it with the explicit intention of using both virtualization and maybe even trying ...
-1
votes
1answer
89 views

Advantages/disadvantages of virtualizing a CPU? [closed]

I saw that my virtualization tool does not virtualize my CPU. But, it virtualizes everything else. I want to know what could be the reason, advantage/disadvantage of virtualizing a CPU.
0
votes
1answer
543 views

Assign processors to Hyper V host machine optimally [closed]

We have a Intel Core i7-3632QM CPU (4 Cores, 8 Threads, 8 Symbols in device manager) on a host machine with Windows 8. We have a single Hyper V virtual machine with Windows Server 2012. How do we ...
4
votes
1answer
103 views

CPU modes and recursive virtualisation

I'm trying to get my head around virtualisation and hypervisors. So the top OS, say Linux, runs in ring 0, with userspace programmes running in ring 3. The user boots up VMware, with Linux running ...
0
votes
2answers
190 views

About Eucalyptus Virtualization Support

I am having hp 540 notebook with processor core 2 duo. I have installed CLC,CC,SC and Walrus runs fine when I try to run NC, I get error "Not virtualization enabled" means my laptop does not support ...
3
votes
1answer
1k views

How do I get AVX support in QEMU?

I want to play with the new AVX instructions. I saw that QEMU might have support, so I built it from Git (yesterday). I set the CPU to SandyBridge and I booted Tiny Core Linux. TCL has kernel 3.0 and ...
2
votes
2answers
311 views

Lots of DDR2 and older CPUs or small amount of DDR3 and a newer CPU?

Building a new desktop PC, for some gaming and lots of Virtualization, I have come across a nice old machine I can use. It has two CPU slots populated by dual core AMD Opterons, and 16Gb of DDR2 RAM ...
-1
votes
2answers
293 views

Will a Xeon X3360 CPU be compatible with my ASUS P5MT-M?

Link to CPU Specs Link to Motherboard Specs I want to confirm that this will work before I purchase the CPU. I don't want to upgrade my motherboard/RAM/power supply, unless I have to. I just need a ...
3
votes
3answers
1k views

How can I tell whether or not a processor supports Nested Page Tables (AMD) or Extended Page Tables (Intel)?

Apparently doing things is hard because neither CPU-Z nor Intel's site report whether or not this is supported, which seems strange to me. So.. if I'm in a position where I can't just go to the ...
5
votes
3answers
5k views

Advantages of TXT/VT-d in new Intel CPUs

I am going to buy a new CPU. I have Intel Core 2 duo 4300. I've already chosen Intel i5-2500/i5-2500k (Sandy Bridge) as my new target CPU. I've read a lot of details about Sandy Bridge family, P67/H67 ...
6
votes
2answers
1k views

Are there any downsides to enabling Hardware Virtualization in the BIOS?

I was wondering if there are any downsides (even theoretical) to enabling Hardware Virtualization in the BIOS. I noticed that it is disabled by default, and perhaps it is that way for a reason ...
0
votes
1answer
275 views

HP Laptop G72 with Pentium Processor - How to enable virtualization?

Just found out my laptop has a weak Pentium processor. Can't find the option to activate virtualization in the BIOS or F9 settings. Is there something I can do about this? Thank you in advance.
4
votes
3answers
4k views

Mac OS X Server 10.6.6 “disables” CPU in VMware Fusion

I installed Mac OS X Server 10.6.0 in VMWare Fusion the other night and it worked perfectly, until I ran Software Update. I upgraded to 10.6.6 through the combo updater, and now when I start the VM it ...
1
vote
1answer
2k views

Will VMWare perform better on a 4 core CPU?

The most critical function I need is virtualization with VMWare. I am wondering if a dual-core Core i5-520m or a quad-core Core i7-720m processor will get superior virtualization performance. To ...