Why a donation? The program is absolutely free, but we like to improve TThrottle and supply you with signed drivers.
If you like our program, help us to continue our work.
If you want to give us a donation the minimum amount is $1.
32 and 64 Bits [English, Catalan, Chinese, Dutch, French, German, Portuguese/Brazilian, Slovak, Spanish, Swedish)] (Tested on XP, Vista, W7, W8)
The latest version of Priority is available here: Priority 1.2. This part, formally the cuda tab, was removed from TThrottle in V 1.73.
Version history
6.60 May 2013
New: Supports multiple BOINC clients on localhost.
Changed: Redesigned program list.
Fixed: Sometimes failed to throttle in driver mode (Vista and up), with more than 10 processes.
6.50 May 2013
New: A child process now shows run %.
New: Temperature offset in Expert dialog. Set to 15C on AMD 15h Family.
Fixed: If the run% can't be read, assume 100%, until now a value of -1 was used.
6.40 April 2013
New: Dutch version Seti.nl logo and link.
Fixed: The set GPU temperature didn't switch correctly between C and F.
Fixed: The graph on systems without a GPU, gray Cpu% and Max.
6.31 November 2012
Fixed: A rare but serious bug, that crashes TThrottle as soon as it connects to BOINC. Happens only when TThrottle runs as user and after: 1) BOINC crashes. 2) The BOINC installer runs.
Fixed: Typo in temperature Dialog 16->15.
6.30 October 2012
New: Treat as in use, when specific programs are running. Makes it possible to throttle differently when a program is running.
6.20 October 2012
Fixed: Sometimes failed to throttle, within a minute at startup. Now shows xx1,xx2,xxx for detecting idle processes. At point xxx the process is no longer throttled.
6.10 September 2012
New: Second graph. To allow showing e.g. CPU and GPU separately.
New: Hot keys for the graphs and the main TThrottle dialog.
6.00 August 2012
New: Add: GPU activity bar.
Changed: Additional ATI GPU logging.
5.93 August 2012
New: Portuguese / Brazilian.
New: ATI GPU xml setting: set to 1 will include cards that are not active.
5.91/5.92 August 2012
Fixed: Sometimes crashed at startup.
5.90 August 2012
New: Detect GPU device automatically for independent throttling. Implemented in BOINC 7.10.30.
Changed: Now silently restarts on a crash.
Fixed: A rare crash in the BoincTasks communication.
Fixed: The crash report was created in the program folder instead of the user temp folder.
Fixed: The driver regulator failed to regulate the GPU, when there where no CPU tasks.
5.80 July 2012
Changed: Supported cores now 32 (prev: 16).
Changed: The logging shows BT connection logging only when: 1 is included in tthrottle.xml.
Changed: The logging shows AMD register dumps, if debug is checked.
5.70 June 2012
New: Option to adjust the core temperature at the source. See tthrottle.xml.
New: Independent GPU temperature control. E.g. 70;75;80;65.
Fixed: The calibration can take a very long time on I5 CPU's.
5.61 June 2012
Fixed: Emails couldn't be send on XP machines.
5.60 May 2012
New: Rule: Hibernate. <- new translation
New: Crash dump. Installs dbghelp.dll in the TThrottle folder.
Changed: Latest GPU Libraries.
Fixed: Registered 0 (unused) Hot-key.
Fixed: Sometimes the driver wasn't ready yet and didn't connect, resulting in no temperature readings. Retry 2 times after 10 and 20 seconds.
5.50 November 2011
New: Supports tasks running in a Virtual Box.
New: Log flag to log email arguments.
5.45 November 2011
Fixed: The mini window, sometimes shows an extra GPU temperature, with huge negative numbers.
5.44 November 2011
New: Partial Swedish translation.
Fixed: Callibration problem with AMD, use 1 temperature sensor as default.
5.43 November 2011
Fixed: If there is only one temperature sensor, the calibration takes a long time and sometimes detects 2 sensors.
Fixed: Installation: Failed to place the desktop icon.
5.42 November 2011
Fixed: The mini temperature window, shows too many/wrong temperatures.
5.41 October 2011
Fixed: A handle leak, when a child process was detected.
Fixed: Temperature graph, move the color markings a couple of pixels to the left.
5.40 October 2011
You need BoincTasks 1.25 or up, if you want to use the Temperature graph in BoincTasks.
New: Debug flag to exclude, to debug the exclude process: 1.
Changed: Show XXX: 0 instead of CPU: 0, to show the task is excluded.
Changed: Max number of cores 8 -> 12.
Changed: Max number of Gpu's 6-> 8.
Changed: Graphic: Max Cpu and Gpu lines, now show the actual max temperatures used
Changed: Salable graph redesigned.
Changed: No longer shows a warning if another copy of TThrottle is running
Fixed: Driver debug started on Control+Shift, should toggle on the keyword DRIVER.
Fixed: File logging, should toggle on the keyword LOGGING.
Fixed: After a calibration the temperature window shows the wrong number of cores.
Fixed: BOINC connection mode: Even with a list of 0 programs, the regulator keeps on regulating on the old list.
5.30 October 2011
New: A CPU and GPU temperature that is set if the computer isn't used for xx seconds. (Preference)
5.20 September 2011
New: Exclude low usage projects. (tthrottle.xml) 2.5 default set to 0.5.
New: Show CPU percentage in logging: CPU: 1 (95%).
5.10 September 2011
New: In the expert tab a re-calibration button.
Changed: Core calibration, now logs the calibration in the file log. C:\Users\username\AppData\Roaming\eFMer\TThrottle\log
5.00 August 2011
New: Remote access from BoincTasks.
New: BoincTasks password. For all data transfer between TThrottle and BoincTasks.
4.30 July 2011
Changed: Different email program, now using sendemail.exe to send emails.
4.21 July 2011
Changed: The "F1" button now redirects to the online "tthrottle_manual.html".
Fixed: The taskbar icon is sometimes missing at startup.
Fixed: When the GPU throttle wasn't set to independent, the GPU throttle wasn't shown.
4.20 June 2011
Changed: Additional driver regulator diagnostics for debugging.
Fixed: (Serious) When used with more than 1 GPU, other GPU tasks where sometimes regulated to 1%.
Fixed: Logging: Didn't detect Windows 7.
4.10 May 2011
Changed: Vista and up: The throttling regulator is now in the driver. This should eliminated all access problems for throttling.
Fixed: Double temperature numbers and sometimes the wrong color in the graphs.
Fixed: When the font is set to more than 100% the program list box is smaller than normal.
Fixed: (Intel) A read to the CPU to determine the TJunction temperature, caused the driver to crash on older cpu's. Now only Family 0x6, Model: 0x1A, 0x1E, 0x1F, 0x25, 0x2C, 0x2E, 0x2A, 0x2D perform a read. If you know any others that are missing, please let me know.
3.60 May 2011
New: Independent temperature regulator for each GPU.
New: When a CPU signature changes a message box will be shown with a warning. At the same time the number of temperature sensors is checked.
New: An option in Preferences, to allowing opening the dialog, as administrator only.
Changed: Every GPU now has it's own regulator thread, with a randomized offset.
Changed: Minimum CPU and GPU regulator 2->1%.
Fixed: In BOINC connection mode, TThrottle didn't always reconnect when a connection was lost. (Due to a restart of the BOINC client).
Fixed: Graphs, draw the horizontal and vertical text last, to avoid them to be overdrawn by other items.
3.52 April 2011
Changed: Signed with new certificate 22-06-2013 (setup, exe, dll).
Fixed: AMD/ATI driver sometimes finds a NVidia GPU, in this case no GPU temperature is shown in the graphic
3.51 April 2011
Fixed: BOINC Connect mode crashes on CPU's with > 16 cores. Buffer was too small.
Please send met the log, so I get some more data on the TJunction / CPU.
Warning this may crash the system on older CPU's, I don't think so, but there is a chance.
3.50 April 2011
New: Read the TJunction temperature directly from the CPU when possible.
Fixed: 3.501 A dll version mismatch in the Slovak dll.
3.42 April 2011
Changed: BOINC connected mode: Text Suspended -> Inactive.
Fixed: A crash on CPU's with more than 8 cores.
3.41 March 2011
Fixed: BOINC connection mode: When tasks get suspended and the thread count goes to 0, detect Suspended and don't add the tasks to the throttle list.
Fixed: As of V 3.2, One tasks isn't assigned to any throttling regulator at all and is running at 100%.
3.40 March 2011
New: A flag in the tthrottle.xml file to disable the NVIDIA card reading (nvidia_number_gpu 0)
Changed: At startup the last visible state (hidden or shown), of the mini temperature window is show.
Changed: When CPU or GPU throttle is <= 2% the list rebuild if 4 times quicker.
Changed: The minimum GPU throttle is now 2%.
Fixed: ati_number_gpu couldn't be set to 0 (tthrottle.xml).
Fixed: TThrottle hangs on program list, with details selected.
Fixed: Once in a while a parent PID is invalid and a couple of programs where added as child PID's. (BOINC client mode only).
3.31 March 2011
Fixed: Throttle didn't work on CPU's with one core.
3.30 March 2011
New: Debug logging of the number of threads used for the CPU regulator.
Changed: The number of threads used for the CPU regulator is now: Cores/2.
Fixed: Some debug text was missing from the logging.
Fixed: The regulator was leaking handles, with some projects.
3.20 March 2011
Changed: Throttling is now using a random scattering pattern, to avoid simultaneous throttling of all cores.
Changed: The default minimum CPU throttle value is 2%, was 5%.
Changed: All exe and dll files are now signed.
Fixed: Stress(64).exe is no longer using the side by side dll's.
3.11 November 2010
Fixed: A child process is shown in the list, but not throttled.
3.10 November 2010
New: An option in tthrottle.xml to exclude specific project (url's). See examples.
New: An option in tthrottle.xml to create a file log. See examples.
Changed: Connect with BOINC client mode: Add child processes. This caused programs with wrappers not to throttle.
3.00 November 2010
New: Read the information about running tasks, directly from the BOINC client.
Changed: Allow programs to be throttled on both CPU and GPU. +_abp2cuda will include the exe in the CPU and GPU throttling.
2.30 October 2010
New: Send the temperature graph to BoincTasks. BoincTasks can show the temperature graph for the local and remote computer.
2.20 September 2010
New: Config.xml option to set the maximum number of ATI GPU's detected.
New: Config.xml options to set the minimum and maximum regulation for the GPU.
Changed: Only 4 GPU temperatures where send to BoincTasks, now the number is 6.
2.10.1 August 2010
Changed: Installer V 1.31, some text updated. Installer now runs as administrator only.
2.10 August 2010
Changed: Now tells BoincTasks how many NVIDIA and ATI cards are present, for correct temperature assignment.
Fixed: Some CPU's are looping in the temperature detection. Don't use the detector on known CPU's. Take known default values for: 1/2 cores Intel = 1/2 sensors, 1/2 cores Amd = 1/1 sensor.
Fixed: The ATI Gpu temperature was not read properly.
2.00 August 2010
Changed: Updated NVIDIA libraries.
Changed: Drastically reduced TThrottle overhead, on some systems with NVIDIA cards and WIN 7.
Fixed: The Run time bar wasn't working properly.
1.91 August 2010
Changed: Translation updates.
Fixed: AMD processors logged one temperature core less, that actually present. This Processor has (4) 0 Cores with a temperature sensor. Should be 1 instead of 0.
1.90 August 2010
Changed: Show NVIDIA and AMD/ATI cards in mixed systems.
Changed: The max number of GPU cards is 6.
Changed: Add __ati as default to the GPU list, when empty.
Changed: The mini window width is better calculated.
Changed: Revised driver V 2.0 that can handle more than 8 cores.
Changed: Adaptable temperature read from driver, reading only the cores needed.
Changed: The maximum number of temperature cores is 8, the maximum number of virtual cores is 16.
Fixed: RNA World puts play.exe in a slot. TThrottle added everything with play in it, like wmplayer.exe to the CPU list.
1.82 June 2010
Fixed: The 32 bit version doesn't show the list boxes on some computers.
1.81 June 2010
Changed: TThrottle now sends the computer name to BoincTasks.
Changed: Multi language installer.
Fixed: Clicking on an empty rule list, a message box showed, with a parameter error.
Fixed: An active rule didn't show in the color red.
1.80 May 2010
Changed: Moved from compiler V 2005 to V 2010.
Changed: Driver installer V 1.30, now shows Windows 7 machines.
Changed: Rules tab -> Show running processes: Moved process fetch and calculations, to another thread. This makes the load more distributed, on multi-core CPU's.
The same thread determines the runtime % minimum threshold for the general throttle.
Changed: General throttle: only throttles processes that use op more that 4% or a core time. This eliminates the huge list of background processes, from throttling.
Changed: Increased height of the dialog, needed as CPU's tend to get more cores.
Changed: One unified installer for 32 and 64 bit. You have the remove the 64 bit version first!
Fixed: A potential crash may occur. (Close an already closed handle).
1.76 April 2010
Changed: The general rule: Special regulator for large amounts of processes.
Changed: The list is automatically rebuild quicker, when throttle levels are below 6% was 15%. (less overhead when the throttle is close to max).
Changed: Exclude BoincTasks.exe from the general throttle.
Changed: The general rule timer from 2 to 4 seconds.
Fixed: A rare TThrottle crash.
1.75 April 2010
New: Catalan language.
Changed: Processor Signature: 000006FD Processor: Intel(R) Core(TM)2 Duo CPU T5250 @ 1.50GHz : TJunction is now 85C.
1.74 February 2010
Changed: The update dialog stayed on forever and blocked the program. Now the dialog is up for 1 minute.
Changed: In some cases the automatic detection of some projects like ibercivis.es did not work. Additional checking added.
Changed: Restore the taskbar icon after a crash of explorer.exe.
Changed: Always show the graph after pressing the graph button. Sometimes it is hidden behind another window.
1.73 November 2009
New: Preference tab: Activate BoincTasks check and port number (default = 31417)
New: Integration with BoincTasks.. of local and remote hosts.
Changed: The cuda tab is removed, use the priority program, when you want to use this feature.
Changed: Logging tab: A debug checkbox replaces the DEBUG statement in the xml file.
Changed: Logging tab: The focus is now on the last line instead of the first line.
Changed: Improved internal handling of the floating mini window.
Fixed: A global memory leak, that can cause system instability over a longer period of time.
1.72 November 2009
New: Show CPU & GPU throttle as a bar in the mini window.
Changed: Some improvements in the AMD/ATI detection.[/s]
1.71 October 2009 Beta
New: A correction for the temperature of AMD 10h. Look in the xml file for details.
Changed: The rules dialog list now displays Black (disabled, waiting for reset value to activate), Blue (active), Yellow (triggered, time delay activated), Red (rule is now active).
Fixed: Sometimes the rules where triggered. This happened when the setting was close to the actual trigger point.
1.70 October 2009
New: Slovak language.
Improved the AMD/ATI detection.
Fixed: Graph: When Fahrenheit is selected, the bottom scaling was always 100 or less, never more.
Fixed: Graph: When Fahrenheit is selected, the red max lines are incorrect. Stay at ºC instead of ºF.
Fixed: Graph: The percentage was incorrect when Fahrenheit was selected.
Fixed: The GPU temperature in the first tab is incorrect when Fahrenheit is selected.
1.69 October 2009
Error: Some Primegrid exe where not detected.
1.68 September 2009
New: A hotkey in the Preference dialog, to hide the floating temperature window, with a key combination.
Changed: The NVidia handling is completely revised, to handle up to 4 cards, like two GTX 295 (double card).
Changed: The Cuda tab, it now supports up to 4 card.
Error: Some small fixes
1.67 August 2009 Beta
New: A new rule like if time 01:00 reboot or if time 00:00 email
Error: Some small fixes
1.66 Juli 2009 Beta
New: A new command in tthrottle.xml to correct the temperature for AMD F family processors. (check the example)
Changed: The tthrottle.xml is now more xml standard. Changed the comment begin and end string.
1.65 Juli 2009
Error: small bug fixes.
1.64 June 2009 Beta
Error: a small memory leak in the graphic display windows and the small temperature window.
Error: the alt tab entry (window list) of the small window is now gone
1.63 June 2009 Beta
New: The scalable graph, can show the throttle percentage of the CPU and GPU.
New: The graph colors are now fully user definable.
New: Extra rule "number" like if gpu number > 2 reboot, reboots the system if more than 2 cuda exe are kept in memory.
New: Supports AMD/ATI graphic cards.>
Changed: The hide button is gone, use [X] instead.
Error: Did not show multiple GPU's, in temperature and graph.
1.62 June 2009
New: A general throttle is added, that can be engaged when the CPU temperature reaches a set temperature. It throttles all running programs (except system programs and services)
New: Added a lot of rules, to send emails, restart the system at certain temperatures, that are user adjustable.
New: A new mail program, allows sending mail with TLS (more secure).
New: The language can now be changed from the preference dialog.
New: The icon can now be changed from the xml file, as the static TThrottle icon or a percentage icon.
New: The Cuda priority changer, is now an official part of the program.
New: A progress bar, in the first tab, now indicates the percentage of work done on the computer.
Changed: Renamed some dialogs and moved them to a more logical place.
Changed: The treads lost handling is improved to minimize messages.
Changed: A red color in the programs tab now indicates that the general throttle is active.
Error: The throttle did not go all the way down to 5%.
1.60 June 2009
New: In the General throttle tab: A running programs window, that shows all running programs and the time they run.
New: Mail program, that for now can send the log file, but will be used for other thing in the future.
New: The Icon in the taskbar, now displays the throttle of the CPU (top) and GPU (bottom).
New: A floating mini window for displaying the temperatures. Can be placed anywhere on the desktop.
Error: Did not show the brand string on some computers.
Error: On a computer with a lot of projects, there was a potential crash, when activating TThrottle.
Error: On exit the throttle stayed on and setting the projects on 0%.
Error: Several small fixes.
1.59 June 2009
New: Full 8 Core support (driver changed to 1.9).
New: tthrottle.xml file. Now enables setting up 3 preset GPU temperatures, which can be changed from the taskbar (right mouse click over TThrottle icon).
New: Preference tab. With a TThrottle start at login check.
Error: Did not see more than one process, in the Thread menu. Fixed in text and graph, now can display up to 4 processes.
Error: Potential crash, when the Set temperature field is empty.
Error: Did not update the Set temperatures, when switched from Celsius to Fahrenheit and back.
Error: The program list, sometimes did not include all the throttled programs. This did not effect the throttling of the programs, they where throttled anyway.
1.58 May 2009
New: (experimental) Threads Tab, gives runtime information (graph) about the CPU/GPU and allows setting of the Process and Thread priority. See the forum FAQ for more info.
New: French, German, Spanish and Chinese(simplified) language.
New: Signed drivers for 32 & 64 bit, with thanks to the donors.
Changed: Reduced the GPU regulator overhead (user request).
Changed: Moved CPU info to the logging and removed the CPU Tab.
1.57 May 2009
New: Dutch language added.
Changed: Color cores/gpu in graphic.
Error: Memory leak, when TThrottle exits solved.
Error: TThrottle crashed when BOINC was not installed.
1.56 May 2009
New: Display version number in title bar main dialog (user request).
New: Draw indicator lines on CPU and GPU set temperature (user request).
New: Update BOINC directory when changed. Update at "Rebuild list after .. seconds" * 15 = 15 minutes (default). When CPU or GPU Running % is below 15%, interval is shorter, "Rebuild list after .. seconds" * 1 = 1 Minute (default) (user reported problem).
New: Now checks if there is another copy of TThrottle running and aborts if there is.
New: At last .. the problem with the AMD 0x10 Family processor is now solved, with the help of our testers.
Changed: The Core temperature for regulation, is the highest core temperature (1..8) (user request).
Changed: Reduced the CPU regulator overhead (user request).
1.55 February 2009
New: An expert setting for GPU mode Desktop - Laptop, for improved regulation.
New: An expert setting for Setting the rebuild time of the program list (default 60 seconds).
1.54 February 2009
Changed: Driver update to V 1.8. Problem with AMD processors solved.
1.53 February 2009
Changed: Driver update to V 1.7. A driver problem can cause stability problems
Changed: Optimised the temperature reading from the driver.
Changed: Some improvements in memory handling.
1.52 February 2009
New: Expert option the limit auto build of the program list.
Changed: Optimised the temperature reading from the driver.
Changed: Some improvements in memory handling.
1.51
New: Gpu (cuda) throttle support. An independent Gpu trottle for nvidia.
Changed: Some improvements in memory handling.
1.49
Changed: An attempt to correct the temperature on a AMD 10h family processors.
1.48
New: Additional information for the 10h AMD processors.
Changed: Checks running the 32 version of TThrottle on a 64 bit Windows version. Redirects to the download page.
Error: X64 only: Did not detect the BOINC directory.
1.47
New: 64 support, all programs fully 64 bit.
Changed: Better AMD support.
Changed: Driver updated to 1.6, did not always show all cores.
Thank you for using TThrottle.
Contact: b#o#i#n#c#at#efmer.eu (without the # and at = @)