Z360. How to disable hyper-threading technology

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• Satellite R630 - how to disable hyper-threading technology

  Hi all

  I can't find the option in the bios to disable hyper-threading.
  There is an option "disable carrots", which translates as windows only showing 1 core in the Task Manager.
  But this isn't what I want.

  I do some supercomputers and my experience tells me that allowing the use of thread cache on its own gives me the best performance that have multiple threads share the caches by SMT.

  I have the newest BIOS (BIOS 1.60, THIS 1.40). Why Toshiba would prevent such an option.
  It is available in the R700 models?

  Cheers, Jim

  Hello

  What to say;
  It seems that the BIOS does not support this option and therefore you would not be able to disable the s CPU hyper-threading and I doubt you'd be able to disable this somewhere else.

  In my opinion, there is nothing to see

• Satellite A500 - is there a way to disable Hyper-Threading technology (HTT) technology?

  Is there a way to disable Hyper-Threading technology (HTT) technology?
  It's really bothering me with some applications...
  I can't find it in the bios... 1.5... He was in the bios earlier?... Is there a way to roll back...

  It is even possible...

  Post edited by: rekof

  Hello

  Hyper-Threading technology is supported by CPU and it of not possible to disable it, if this option is not available in the BIOS.

  See this Intel Info page:
  http://www.Intel.com/support/processors/Pentium4/sb/CS-017371.htm

  Welcome them

• How to enable hyper-threading technology on nehalem processor (series Xeon5500)?

  Hello

  I try to activate the hyper-threading technology on my new HP DL380 G6 ESX 3.5 servers, but even if it appears in the configuration as 'active' tab, no VM cannot detect.

  And Yes, it is enabled in the BIOS.

  Any ideas?

  raoulst

  Why a virtual machine it should detect? It is not presented to the virtual machine as a feature. It increases the planning on a vmkernel level options, but that's all.

  Duncan

  VMware communities user moderator | VCP | VCDX

  -

• How to disable the functionality of the hyper-threading technology

  How to disable the functionality of the hyper-threading technology

  Hello

  I put t know what BIOS you have, but generally you can activate or deactivate this option in the BIOS.

• How to access the BIOS and disable hype-threading on xp

  How to access the BIOS and disable hype-threading on xp

  THX

  During the initial boot, you should see a brief message posted to press a specific key (usually the delete key) to access the BIOS. If there is an option to disable Hyper-Threading, you will need to find it.  You can also see if there is a guide for your motherboard and the BIOS options.

  Any reason, you need to disable?

  J W Stuart: http://www.pagestart.com

• On the hyper-threading technology

  Hello. I rather heard a lot of the inefficiency of the Hyper-Threadyng, especially that it is a useless load of each carrot with two operations. Efficiency can be no more than 30% and not always. Should I turn off this function or not? If I have to, I need to know how. After all, there are not these settings in the BIOS of my laptop (HP Envy 15 j-001er).

  P.S. This thread has been moved to storage > General for laptops - pavilions, Presario. -Forum moderator hp

  > There is not these settings in the BIOS of my laptop

  Then you can not turn it off.

  But don't you worry.

  If the performance with Hyper-Threading disabled technology is 100%, then with Hyper-Threading active technology, the heart of processor can achieve a level of performance which is between 100 and 130%, depending on the characteristics of the workload.

  In the first generations of Intel processor with Hyper-Threading functionality, some workloads could cause a Hyper-Threading performance drops to<100%, however="" that="" was="" fixed="" in="" the="" prescott="" architecture.="" the="" prescott="" architecture="" was="" released="" in="" 2004="" -="" that="" is,="" 10="" years="" ago.="" modern="" intel="" processors="" with="" hyper-threading="" enabled="" should="" always="" perform="" at="" least="" as="" well="" as="" with="" hyper-threading="">

• How to disable a thread in a database waiting (physical standby, maximum performance)

  Hello

  I need to convert a node RAC Database 3 with 3 secondary Configuration node single instance. This has worked so far, but a problem is always open:

  On primary, I was able to remove the nets for other nodes with

  ALTER DATABASE DISABLE THREAD 2.

  ALTER DATABASE DISABLE THREAD 2

  and I could give up the log files groups for discussions.

  More than I removed all the entries file init directing to the RAC nodes.

  On primary

  Select thread #, instance of thread of v$.

  give me a body - very well.

  Pending (files init is clean and tidy too, now), I can not disable the threads:

  DO1S9180. DWH1B.sqlplus > select thread #, instance of thread of v$.

  THREAD INSTANCE #.
  ---------- --------------------------------------------------------------------------------
  1 DB1B
  2 DB1B2 # I'd like to get rid of this
  3 DB1B3 # I'd like to get rid of this

  But

  ALTER DATABASE DISABLE THREAD 2

  *

  ERROR on line 1:

  ORA-01109: database is not open

  # other

  ALTER database recover managed standby database cancel;

  ALTER system set standby_file_management = "MANUAL";

  is not help me here.

  I am happy on every indicator of good.

  Kind regards

  Vero

  
  

  What is the database? If it is not too large, then you can always back up primary. Then stop the day before, restore it from the backup that you created. Create control standby in the primary file, then use it to replace the eve controlfiles. Start going UP the day before and he will resume normal operations. You use the backup of the primary to effectively get rid of these threads in the waiting. No downtime for the primary, but you won't be without the intelligence for the period of the backup to restore. Now the big question becomes... is it worth the work involved?

  See you soon,.
  Brian

• How to disable the hyper-thread on U840 Satellite Ultrabook?

  I would like to know how to turn off hyper-thread on Ultrabook U840

  Does anyone have any suggestions?

  Thanks in advance for your suggestions :>

  Model Toshiba U840
  Processor number: i5-3317U
  http://Ark.Intel.com/products/65707

  Something like that is controlled by the BIOS and if that option exists, you might find in the BIOS settings.
  However, if its not available in the BIOS, you would be able to disable s Intel Hyper - Threading Technology

• How to enable Hyper-v

  I checked the BIOS settings. Intel Hyper-Thread technology is checked as enabled. When I try to activate the Hyper-V platform in the Panel, I said that virtualization is disabled in the firmware. I see nothing else in the menu of the BIOS to turn on. What Miss me?

  Ok. Solved the problem. I went into the BIOS. I was looking in the configuration menu of the CPU. There is a feature called Intel Hyper-Thread, what confussed me - sounds a bit like Hyper-virtualisation. Enable virtualization functionality is under the Security menu - a bit intuitive counter. It is now activated and I've managed to enable Hyper-V platform successfully.

• More physical cores vs less with hyper-threading

  I'm sure that this has been answered before, but is it better to have more physical cores, or I can get the same performance with half of the carrots but enable hyper-threading technology?  It is of course a discussion of type AMD vs Intel...

  Thank you!

  Hi friend

  Visualize this:

  You are in a supermarket and a bonehead out a checkbook to write a check.

  You have a gallon of milk and a $5 ticket in your hand.

  The Fund puts the first transaction on hold while the old lady wrote the check and treat your transaction. You go out, it ends by the check writer.

  That's the theory behind the HT. If a thread stops, it can perform a second thread on the same kernel. But the problem is that it can only manage a thread on any cycle, so it depends on inefficiencies in executing 'slide in this teaching of the second.'

  Now, imagine that the grocery store stops take control. Efficiency is increased, the main thread has more effective, but it is less likely for this second operation to occur. If you wait longer with your milk.

  Would you rather have a cashier multitasking or more open channels? If the company is light in the store and transactions are small, the cashier multitasking could be allowed.

  But if it's Saturday afternoon, you want only to open more lanes due to heavy traffic.

  HT works well in loads of light work where the traffic is "burst" and ineffective. But if the workloads increases (and I believe that we all have more work to do on our systems than ever) so the benefits of HT begin to slip and the benefits of dedicated hearts really shines.

  Reference: really liked above the explanation I got from this thread: 4 Cores with Hyperthreading vs 8 physical cores? UC - Performance -

• S12 - Nvidia - update the BIOS, Hyper Threading option

  Hello, any chance to see BIOS to enable - disable the Hyper Threading, s12 ion, other functional improvement options?

  Even on the possible s9 off HT in the bios...

  BIOS is the only way to enable or disable hyper threading.but do not hesitate to try this.

  http://www.Intel.com/support/processors/Pentium4/sb/CS-017371.htm#a

  Sorry, at this point, you have to wait for the update of the bios.

  (marking this thread as resolved)

• How can I enable hyper-threading?

  I have a phenom 2 x 6 1100 T UC. PC Wizard says that hyper-threading is turned off. How can I activate it and what benefits it will give me? Any advice would be appreciated.

  As afr as I know this processor (AMD) doesn't support hyperthreading.

  It has six distinct cores if.

  Hyperthreading for Intel processors operates as if it were two processors by heart.

• How to disable HT on Satellite L850 - 1 Hz?

  Hi all,

  I recently bought a laptop Toshiba Satellite L850 - 1 Hz, but I wanted to turn off HT but on the BIOS, there is no parameters for such a thing.
  How can I do? Is there any hidden BIOS menu type? Y at - it a special key that I have to press on in the BIOS?

  Looking for an answer.

  Best regards

  Carlos Pinho

  Hello

  You want to disable Intel Hyper Threading?
  It is a feature of CPU and generally this can be enabled / disabled at the BIOS level only.
  So if the BIOS does not have this option, you will not be able to disable it.

  Also the Toshiba utility HWSetup contains some BIOS settings that may be changed to Windows system, but if the BIOS does not have this option then the Toshiba HWSetup does not contain this option too.

• How to disable safe mode

  Hi, im on one machine 12.10 Linux ubuntu, and I need help on how to disable the mode without failure of firefox!
  I want to disable safe mode because I need my content filter activated all the time and I do not know how...
  I have read many threads saying how to turn off this mode and found some information that might be handy but never got to turn it off!
  Please notice that im a beginner and I need extra explaining so please be patient...

  Thank you all...

  Disable Safe Mode, this isn't a very effective method to prevent disabling the content filtering (I assume you are using an extension?). Try using a based operating system content filter if you need it, there are so many ways to pass an extension filter as you can not stop all.