On: Friday, March 07, 2008 8:06 PM
Arno Garrels wrote:


> > I'll second the "Virtual Machine" part. I've been doing all of my
> > development on VmWare Workstation for the last few years, and it's
> > *REALLY* good.
> 
> I played with the same idea as well, did some serious testing on new
> hardware
> bought for that purpose exclusively, however I just decided to not
> virtualize
> my main development environment since running in a VM is a little bit
> slow. If you run D7 in a VM that's fast enought, however with Rad-
> Studio 2006
> I don't want to lose any performance. Anyway get plenty of RAM, fast
> HDDs to
> store the VMWare images (they should be on different physical drives
> anyway),
> run the VMs with the Player, it provides much faster GUIs than VMWare
> Server. Unfortunately you cannot install both Player and Server on the
> same
> machine. I also tried Ubuntu Gutsy Gibbon 64 bits as the host OS in
> order to
> save one more M$ license and used the ntfs3-org filesystem driver to
be
> able
> to access images created on a windows box, that driver worked reliable
> however
> was a bit slow since it is still compiled with debug code.

About RAM: Yep, you can't have too much RAM. My "host" machine runs an
64 bit OS and has 8 Gb of RAM (thank god for the drop in prices for the
non-ECC 2GB DDR2 modules!)

About HDD: VmWare's HDD and Network drivers are very effective, you're
not losing too much performance by keeping your Virtual Machine images
on "ordinary" HDD's. I measured the difference and the performance loss
is about 10% - not a big deal really (note: I tested with my own
home-grown Delphi application that simply writes a 8Gb file and then
reads it back - probably not the best test). If I had to choose between
a 4Gb RAM machine with RAID-0 Raptor HDD's and a 8Gb RAM machine with an
ordinary HDD, I'd go for the 8Gb of RAM. But then again having both RAM
and the fast HDD is better.

About performance: How did you measure the performance, and did you use
a "dual CPU" virtual machine? Vmware seems to have a bug in the Graphics
driver and it causes display refreshes to be painfully slow on dual-cpu
VM's. My VM only has one CPU for this raison.
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