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Brian,
Sorry, the question you were asking did not compute in my brain until
Tomasz answered it.
When you are running Windows on a Mac, It is running the whole Windows
system as if it were on its own PC hardware. However, because Mac OS
X thinks it is talking to the hardware directly and Windows thinks it
is talking to the hardware directly, a serious conflict would occur
without virtualization of one or the other. What happens is that OS X
talks directly to the hardware and special virtualization software
insulates Windows from the real hardware by giving it drivers that
look like familiar hardware to Windows, but actually interface with
the OS X system calls. The bottom line is that you have two operating
systems sharing the same hardware nicely. There are two competing
virtualization programs available --Parallels, and VM Ware.
For the most part, Windows applications (like AB) run the CPU at full
speed. However, some minor speed penalty happens because of the
virtual hardware driver code for hardware devices. Video devices take
the biggest hit right now, so 3D action games do not run as fast.
Here is a pointer to a new article that describes the process of
setting up a Mac to run OS X and Windows at the same time.
http://www.macworld.com/article/133513-3/2008/05/bothworlds.html
BR,
Dennis
On May 19, 2008, at 7:08 AM, brian_z111 wrote:
> Thank you Tomasz,
>
> An excellent example and just what I needed.
>
> brian_z
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx>
> wrote:
>>
>> If you are running AmiBroker ON MAC, then you are using Windows
> emulator anyway
>> so scripting works as any other thing on Windows.
>>
>> Also, if you are after having all metrics as indicators, script is
> NOT NECESSARY AT ALL.
>>
>> All you need is to run backtest from AA as you normally do. See
> this for details
>> http://www.amibroker.com/kb/2008/05/19/historical-portfolio-
> backtest-metrics/
>>
>> Best regards,
>> Tomasz Janeczko
>> amibroker.com
>> ----- Original Message -----
>> From: "brian_z111" <brian_z111@xxx>
>> To: <amibroker@xxxxxxxxxxxxxxx>
>> Sent: Monday, May 19, 2008 11:04 AM
>> Subject: [amibroker] Re: System Performance Indicators [was: Can
> someone fix this OLE code?]
>>
>>
>>> Is there a script equivalent to WindowsScriptHost for people
> using
>>> other OS i.e. would that be a reason for me to steer away from AB
> on
>>> a Mac?
>>>
>>
>
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