Is Hyperthreading supported in AE CS 5.5 64-bit?

I was under the impression that if you went into preferences and selected the number of processors to use or to leave remaining then AE would use the correct number of procs. However I have found that since my machine is a WinTel system with hyperthreading enabled (doubling my processor count effectively) After Effects doesn't recognize the doubled processor count when I use Task Manager and see the system performance tab.
Any ideas? Maybe this has been covered before and there is a link I could get pointed to?
Thanks,
markerline

> I obscured my total number of processors in the settings above.
Why?
Anyway, regarding your result: Nothing unusual is happening. You have 24GB of RAM and have left 6GB for other applications. That leaves 18GB for After Effects. You are telling After Effects to use 3GB per rendering process; and the foreground process needs the same amount plus a little bit. At 3GB per process (plus 20% extra for the foreground process's overhead), you can feed 4 background rendering processes and 1 foreground process with 18GB of RAM.
This is totally normal.
All of this is explained in the resources here:
http://forums.adobe.com/thread/543440

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Justin Hancock said the following on 2004-02-04 14:34:
=?ISO-8859-1?Q?Bj=F6rn_Antonsson?= wrote:
Justin Hancock said the following on 2004-01-29 03:43:
I am trying to find out if JRockit 8.0 supports hyperthreading
correctly on Windows Server 2000. I know that Win2K doesn't have
proper support for hyperthreading in that to support it you need
to use additional CPU licences rather than the OS identifying the
hyperthreading capability properly. This is not cost efficient as
you need additional CPU licences and the OS doesn't schedule threads
efficiently when there are multiple CPUs on the server. As it treats
4 hyperthreading capable CPUs as 8 physical processors which isn't
correct.
Does JRockit rely on the OS for hyperthreading or does it use its
own APIs for handling hyperthreading CPUs?
I assume that it relies on the OS, however I wanted to make sure.
Thanks,
JustinJRockit relies completely on the OS for thread scheduling when
using native threads. There is no way for an application to enable
the hyper threading of a CPU if it isn't enabled at boot time and
recognized by the OS as a physical or logical CPU.
On the other hand, if we detect that the CPU is hyper threading
enabled, which we can do without the help of the OS, we will do
some optimizations that Intel have described on their development
pages to enhance the performance of apps running on hyper threading
hardware.
Hope this answers your question.
/BjörnIf I use a JRockit threads is the hyperthreading capability exploited?> More importantly will performance improve?
>
Thanks,
JustinI am not sure that I understand what you mean here. For hyperthreading
to be exploited, it needs to be recognized by the BIOS and the OS.
If you have a box with 2 physical HT-CPUs that shows up as 4 CPUs in
your OS, then hyperthreading is exploited. There is nothing that an
application can do to change this.
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enabled compared to if it isn't. This increase is from enabling HT
on your box and making the OS believ that it has double the number
of CPUs.
/Björn

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Edited by: 995752 on Mar 30, 2013 11:26 AM

995752 wrote:
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user11978534 wrote:
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Greetings -
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This topic has been moved to GAMING Graphics Cards.
https://forum-en.msi.com/index.php?topic=184003.0

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Is Hyperthreading supported in AE CS 5.5 64-bit?

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