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One of my colleagues posted a thread in a forum on MemtestG80 and MemtestCL. MemtestG80 and MemtestCL are software testers for testing software errors in GPU memory or logic for NVIDIA CUDA or OpenCL GPUs (from any manufacturer). This is good news for new GPU card owners because they can check the stability of their card, i.e. it detects software errors in GPU memory or logic for GPUs that support CUDA or OpenCL, which can often lead to random crashes – even BSODs.
This is a command line program, as you can see in the screenshot above. You will see on the image that it sends the test results to its developers at Stanford; but if you want to avoid it, you must use an additional flag as described above.
According to developer Imran Haque :
It uses a variety of proven test models (some user-defined and others based on Memtest86) to verify the GPU’s memory and logic function. These are useful tools to ensure that some GPUs do not produce silent errors that can distort the results of a calculation without causing an open error.
Depending on the FAH search page, this test can be used for NVIDIA/ATI GPUs. To use this program, compatible drivers must be installed on your computer – for nVidia cards, you need 195 series or newer drivers and for ATI cards, version 9.12 or newer.
You must register on their website Simtk.org to download the application, or you can visit the Stanford website to download it from there.
As with any stress test, use it at your own risk as it can cause potential damage.