NVIDIA GPU Boost is exposed for Tesla accelerators via application clock settings and on the new Tesla K80 accelerator it can also be enabled via the new autoboost feature, which is enabled by default. A user or system administrator can disable autoboost and manually set the right clocks for an application, by either:

You can display the current application clock setting by passing the query option (-q) to nvidia-smi. With the -i and the display options (-d) you can filter this view to only show the clock information for a specific GPU.


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Please be aware that the application clocks setting is a recommendation. If the GPU cannot safely run at the selected clocks, for example due to thermal or power reasons, it will dynamically lower the clocks. You can query whether this has happened with nvidia-smi -q -i 0 -d PERFORMANCE. This behavior ensures that you always get correct results even if the application clocks are set too high.

Figure 4 plots the performance across varying GPU clocks of the Molecular Dynamics package GROMACS v5.0.2 for a water box with 96k atoms using PME electrostatics on Telsa K40 and Tesla K80. Performance of K80 with autoboost enabled is shown on the far right of the plots. As you can see Auto Boost delivers the best performance for Tesla K80 and with a Tesla K80 the simulation runs up to 1.9x faster than with a Tesla K40 running at default clocks and up to 1.5x faster when compared to the Tesla K40 running at 875 Mhz ([1]). To demonstrate the impact of GPU Boost in isolation these benchmarks have been run with the latest release of GROMACS which does not have any special tuning for Tesla K80. Tesla K80 specific optimization making use of the larger register file will be available with the next GROMACS release.

Since the autoboost feature of the Tesla K80 allows the GPU to automatically control its clocks one might think that this renders application clocks unnecessary. However, application clocks are still necessary to avoid load balancing issues in large cluster installations running multi-node, multi-GPU applications.

As with application clocks, this setting requires administrative priveleges, and the GPU should have Persistence Mode enabled. Autoboost permissions can be relaxed similarly to application clock permissions.

Independent of the global default setting the autoboost behavior can be overridden by setting the environment variable CUDA_AUTO_BOOST to 0 (to disable) or 1 (to enable) or via NVML for the calling process with nvmlDeviceSetAutoBoostedClocksEnabled.

I am using Jetson Agx Orin , with following configuration, attached in the screen shot.

I am working on an Exoskeleton which is operated in CANOpen protocol and the packages for that is not suited with 1.71 boost present in the Jetson.

yes , i have tried manually installing the boost and adding the library path in bash.c file but nothing seems to work.

also the 1.71 boost is available in the lib>aarch linux 64 folder where the permisiions cannot be changed to update the boost .

Ok, so nearly every day I see on forums how people are very confused that their card (be it a reference/founders edition, or a custom board partner variant) seems to be boosting way pas the max advertised boost clock of the GPU.

The reference 1070 has a base clock of 1506MHz, and a boost clock of 1683Mhz. The following assumes all stock settings, which limit the max fan speed to 50%. Stock voltage, stock power limit, and no offsets on the core clock or memory.

The card will immediately boost its core clock to way beyond the advertised 1683MHz figure. For the sake of argument, let us say that said boost clock is (initially) 1,900MHz.

The nvidia-powerd daemon providessupport for the NVIDIA Dynamic Boost feature on Linux platforms.Dynamic Boost is a system-wide power controller which manages GPUand CPU power, according to the workload on the system. By shiftingpower between the GPU and the CPU, Dynamic Boost can deliver morepower to the component that would benefit most from it, withoutimpacting the system's total thermal and electrical budgets. Thisoptimizes overall system performance per watt.

Copy the dbus configuration file nvidia-dbus.conf from /usr/share/doc/NVIDIA_GLX-1.0/ to /etc/dbus-1/system.d. If the /etc/dbus-1/system.d directory does not exist,create it before copying the file and reboot the system so thatdbus can scan the newly created directory in the next boot.

Companies designing quantum computers will use the boost to test ideas for building better systems. Their work feeds a virtuous circle, enabling new software features in PennyLane that, in turn, enable more system performance.

It was the personal computer business in the 1980s that gave the semiconductor business, as we know it, its boost, and as technology has increasingly entered every aspect of life, the semiconductor business has grown. To map the growth, I started by looking at the aggregated revenues of all global semiconductor companies in the chart below from 1987 to 2023 (through the first quarter):

From close to nothing at the start of the 1980s, revenues at semiconductor companies surged in the 1980s and 1990s, first boosted by the PC business and then by the dot-com boom. From 2001 to 2020, revenue growth at semiconductor businesses has dropped to single digits, as higher demand for chips in new uses has been offset by loss of pricing power, and declining chip prices. While revenue growth has picked up again in the last three years, the business has matured.

So the manufactures aren't very clear about this but the number they put on their boost clocks specs is the minimum boost clock you can expect from the card. It uses a dynamic boost and will go as high as it can go safely. This applies to NVIDA and AMD.

I've seen quite a few YouTube videos testing cards and they all went at least 100 MHz higher than the boost clock on the spec sheet with no changes to any configurations. Nothing is wrong with your card, it's functioning normally.

What we find is that from the start of the run until the end, the GPU clockspeed drops from the maximum boost bin of 1898MHz to a sustained 1822MHz, a drop of 4%, or 6 clockspeed bins. These shifts happen relatively consistently up to 68C, after which they stop.

Otherwise, outside of the temperature compensation effect, clockspeeds on GTX 1080 appear to mostly be a function of temperature or running out of boost bins (VREL limited). The card rarely appears to be TDP limited, especially at steady-state. This indicates that NVIDIA could probably increase the fan speed of the cooler a bit to get a bit more performance, but at the cost of generating a bit more noise.

I have Vsync off everywhere. Gsync compatible screen. I get around 70-80 fps, lowest around 50 fps. Is there any point to use Reflex or Reflex + boost for me, or is it for vsync-users? I have not set a max fps in NCP cause it gives me stutter (144hz screen).

A user or system administrator can select higher clock speeds or disable autoboost and manually set the right clocks for an application, by either running the nvidia-smi command line tool or using the NVIDIA Management Library (NVML). You can use nvidia-smi to control application clocks without any changes to the application.

The K80 ships with Autoboost enabled by default. Autoboost mode means that when the Tesla K80 is used for the first time, the GPUs will start at base clock and raise the core clock to higher levels automatically as long as the boards stays within the 300 W power limit. Tesla K80 autoboost can automatically match the performance of explicitly controlled application clocks. If you do not want the K80 clocks to boost automatically, the end-user can disable this feature and lock the module to a clock supported by the GPU. The Autoboost feature can be disabled and the module locked to a supported clock speed so the K80 will not automatically boost clocks. The K80 autoboost feature enables GPUs to work independently and not need to run in lock step with all the GPUs in the cluster.

NVML is a C-based API for monitoring and managing the various states of Tesla products. It provides a direct access to submit queries and commands via nvidia-smi. NVML documentation is available from: -management-library-nvml. The following table is a summary of nvidia-smi commands for using GPU Boost.

So I just bought my msi 770 gaming edition and I'm having the issue I knew I was going to have to deal with; stuttering/screen freezing in games because piece of shit gpu boost 2.0 is making my usage and power limit go all over the place. I've did a quick google search and couldn't find a decent fix. If anyone could please help me out here because this is seriously ruining my gameplay as every time I go to fight something my screen freezes up.

You can..


But you're going to have to mod your bios. This is an all-in-one tool made by Skyn3t that gives a 1.21V mod/power mod and disables boost: 


More info: -gtx-770-owners-club/0_100

I've had issues before as well with gpu boost with 670's in SLI same model/brand. I had to mod the bios to make them working properly. The 1st gpu had a different bios and a higher stock voltage for its full turbo which was 1.175V and the 2nd had 1.162V - for some reasons the 1st card was boosting to its max with 1.162V instead of 1.175V so I had to switch the 1st card to the 2nd slot and the 2nd card to the 1st slot. The voltage issue was fixed but here and there some dxerrors again; I really had to mod the 2nd cards bios and bump the min voltage to 1.175V then it worked perfectly. e24fc04721

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