Aaron Konstam wrote:
I acquired another computer recently that has a Pentium(R) 4 D CPU Dual
core that is capable of hyper-threading.
I was not satisfied with its performance so I looked carefully at its
configuration and found that hyper-threading was disabled. A little more
looking and I
Considering Intel's hyperthereading - it seems to be there are two teams and
two different opinions about hyperthreading:
It looks like team which designed P4 and I7 is saying - hyperthreading is
the best.
On the other hand team which designed Core Duo2 is saying - let's not waste
time with it...
I acquired another computer recently that has a Pentium(R) 4 D CPU Dual
core that is capable of hyper-threading.
I was not satisfied with its performance so I looked carefully at its
configuration and found that hyper-threading was disabled. A little more
looking and I noticed that
On Mon, 07 Dec 2009 09:02:09 -0600
Aaron Konstam wrote:
A little more
looking and I noticed that hyper-threading was disabled in the BIOS and
could not be turned on.
Does that mean there is no BIOS option to turn it on, or that attempting
to turn it on in the BIOS doesn't work? I've run
Am Montag, den 07.12.2009, 09:02 -0600 schrieb Aaron Konstam:
I acquired another computer recently that has a Pentium(R) 4 D CPU Dual
core that is capable of hyper-threading.
I was not satisfied with its performance so I looked carefully at its
configuration and found that hyper-threading
On Mon, 2009-12-07 at 10:11 -0500, Tom Horsley wrote:
On Mon, 07 Dec 2009 09:02:09 -0600
Aaron Konstam wrote:
A little more
looking and I noticed that hyper-threading was disabled in the BIOS and
could not be turned on.
Does that mean there is no BIOS option to turn it on, or that
On Mon, 2009-12-07 at 16:18 +0100, Joerg Bergmann wrote:
Am Montag, den 07.12.2009, 09:02 -0600 schrieb Aaron Konstam:
I acquired another computer recently that has a Pentium(R) 4 D CPU Dual
core that is capable of hyper-threading.
I was not satisfied with its performance so I looked
Aaron Konstam on 12/07/2009 09:38 AM wrote:
Thanks that makes sense. For your information the current Intel XEON
processors use hyperthreading productively. However, Intel lists this
CPU as one where hyper-threading is available but as you say it may not
be productive.
Xeons are nothing more
On Mon, 2009-12-07 at 16:18 +0100, Joerg Bergmann wrote:
The problem of the Pentium 4 D: It is not really a dual core one.
Hyper-Threading means: There is one core with two execution paths, which
means some of the common CPU features, but not all, are present twice.
One feature in
Once upon a time, Greg Woods wo...@ucar.edu said:
One feature in particular that is not present twice is some of the
caching. This is sort of why they named it hyperthreading. If you can
get multiple threads of the same process, sharing the same memory, to
run simultaneously, there is a
On Mon, 2009-12-07 at 09:44 -0700, Greg Woods wrote:
On Mon, 2009-12-07 at 16:18 +0100, Joerg Bergmann wrote:
The problem of the Pentium 4 D: It is not really a dual core one.
Hyper-Threading means: There is one core with two execution paths, which
means some of the common CPU features, but
On Mon, 2009-12-07 at 10:06 -0600, Michael Cronenworth wrote:
Aaron Konstam on 12/07/2009 09:38 AM wrote:
Thanks that makes sense. For your information the current Intel XEON
processors use hyperthreading productively. However, Intel lists this
CPU as one where hyper-threading is available
On Mon, 2009-12-07 at 09:44 -0700, Greg Woods wrote:
On Mon, 2009-12-07 at 16:18 +0100, Joerg Bergmann wrote:
The problem of the Pentium 4 D: It is not really a dual core one.
Hyper-Threading means: There is one core with two execution paths, which
means some of the common CPU
On Mon, 2009-12-07 at 22:16 +0200, Jussi Lehtola wrote:
On Mon, 2009-12-07 at 09:44 -0700, Greg Woods wrote:
On Mon, 2009-12-07 at 16:18 +0100, Joerg Bergmann wrote:
The problem of the Pentium 4 D: It is not really a dual core one.
Hyper-Threading means: There is one core with two
On Mon, 2009-12-07 at 16:42 -0500, William Hooper wrote:
As far as I can tell both cores have their separate 1M cache. But
lshw-gui reports HT is supported
You might want to check out this blog post by Dave Jones:
On Mon, 2009-12-07 at 15:29 -0600, Aaron Konstam wrote:
Well the Intel ads make XEON hyper-threading sound like the greatest
thing since sliced bread,
As do (just about) all manufacturers when describing their new, and
sometimes not new, technology.
The emperor is wearing no clothes!
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