how badly does encrypting the root file system crush my performance?

[Alan]

> On 2/25/08, Alan <alan at clueserver.org> wrote:
>> >
>>  >   the context here might make this question inappropriate, but i
>>  > installed f9 alpha inside virtualbox in two different ways, with only
>>  > one difference -- whether the all-encompassing root file system was
>>  > encrypted or not.
>>  >
>>  >   within virtualbox, the encrypted VM is *waaaaay* slower than the
>>  > unencrypted one.  should i expect the same performance difference
>> with
>>  > regular hard disk installs?  just curious.  i expected a difference
>>  > but this is *hugely* noticeable and almost unusable.
>>
>> That sounds like an artifact of virtualbox.  I am using full disk
>>  encryption on F9 alpha and I am seeing little, if any, slowdown.  Maybe
>>  64-bit helps.
>
> Same here, on i686.

As a side note, I have run VMWare with and without the hardware
virtualization.  It DOES make a difference.  I do not know if VirtualBox
uses the hardware virtualization.  If it does not, it should.